工单 优化 ，增加图片

29WxOrderWpf/MainWindow.xaml

@@ -1,273 +1,274 @@
 <basewindows:BaseWindow
-    x:Class="_29WxOrderWpf.MainWindow"
+	x:Class="_29WxOrderWpf.MainWindow"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:basewindows="clr-namespace:_29WxOrderWpf.BaseWindows"
+	xmlns:basewindows="clr-namespace:_29WxOrderWpf.BaseWindows"
-    xmlns:buyerctrls="clr-namespace:_29WxOrderWpf.Ctrls.BuyerCtrls"
+	xmlns:buyerctrls="clr-namespace:_29WxOrderWpf.Ctrls.BuyerCtrls"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:local="clr-namespace:_29WxOrderWpf"
+	xmlns:local="clr-namespace:_29WxOrderWpf"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:orderctrls="clr-namespace:_29WxOrderWpf.Ctrls.OrderCtrls"
+	xmlns:orderctrls="clr-namespace:_29WxOrderWpf.Ctrls.OrderCtrls"
-    xmlns:shopctrls="clr-namespace:_29WxOrderWpf.Ctrls.ShopCtrls"
+	xmlns:shopctrls="clr-namespace:_29WxOrderWpf.Ctrls.ShopCtrls"
-    xmlns:userctrls="clr-namespace:_29WxOrderWpf.UserControls"
+	xmlns:userctrls="clr-namespace:_29WxOrderWpf.UserControls"
-    x:Name="mainWindow"
+	x:Name="mainWindow"
-    Title="MainWindow"
+	Title="MainWindow"
-    Width="1600"
+	Width="1600"
-    Height="900"
+	Height="900"
-    Closing="BaseWindow_Closing"
+	Closing="BaseWindow_Closing"
-    Loaded="Window_Loaded"
+	Loaded="Window_Loaded"
-    Style="{StaticResource BaseNoneBorderWindowStyle}"
+	Style="{StaticResource BaseNoneBorderWindowStyle}"
-    mc:Ignorable="d">
+	mc:Ignorable="d">
 
-    <Grid
+	<Grid
-        x:Name="mainGrid"
+		x:Name="mainGrid"
-        Margin="{Binding ElementName=mainWindow, Path=Padding}"
+		Margin="{Binding ElementName=mainWindow, Path=Padding}"
-        Background="Transparent">
+		Background="Transparent">
-        <Grid.RowDefinitions>
+		<Grid.RowDefinitions>
-            <RowDefinition Height="60" />
+			<RowDefinition Height="60" />
-            <RowDefinition Height="*" />
+			<RowDefinition Height="*" />
-        </Grid.RowDefinitions>
+		</Grid.RowDefinitions>
-        <Grid
+		<Grid
-            x:Name="gridTitle"
+			x:Name="gridTitle"
-            Background="Transparent"
+			Background="Transparent"
-            MouseLeftButtonDown="gridTitle_MouseLeftButtonDown">
+			MouseLeftButtonDown="gridTitle_MouseLeftButtonDown">
-            <Grid.ColumnDefinitions>
+			<Grid.ColumnDefinitions>
-                <ColumnDefinition Width="auto" />
+				<ColumnDefinition Width="auto" />
-                <ColumnDefinition Width="auto" />
+				<ColumnDefinition Width="auto" />
-                <ColumnDefinition Width="*" />
+				<ColumnDefinition Width="*" />
-                <ColumnDefinition Width="auto" />
+				<ColumnDefinition Width="auto" />
-                <ColumnDefinition Width="auto" />
+				<ColumnDefinition Width="auto" />
-            </Grid.ColumnDefinitions>
+			</Grid.ColumnDefinitions>
-            <Image
+			<Image
-                Width="50"
+				Width="50"
-                Height="50"
+				Height="50"
-                Margin="4"
+				Margin="4"
-                HorizontalAlignment="Left"
+				HorizontalAlignment="Left"
-                VerticalAlignment="Center"
+				VerticalAlignment="Center"
-                Source="{StaticResource main29WeixinIcon}" />
+				Source="{StaticResource main29WeixinIcon}" />
-            <Label
+			<Label
-                x:Name="lblAppName"
+				x:Name="lblAppName"
-                Grid.Column="1"
+				Grid.Column="1"
-                Margin="0,0,0,0"
+				Margin="0,0,0,0"
-                HorizontalAlignment="Center"
+				HorizontalAlignment="Center"
-                VerticalAlignment="Center"
+				VerticalAlignment="Center"
-                VerticalContentAlignment="Center"
+				VerticalContentAlignment="Center"
-                Content="拍单软件"
+				Content="拍单软件"
-                FontSize="20"
+				FontSize="20"
-                Foreground="{StaticResource mainColorLightBrush}" />
+				Foreground="{StaticResource mainColorLightBrush}" />
 
-            <WrapPanel
+			<WrapPanel
-                Grid.Column="2"
+				Grid.Column="2"
-                HorizontalAlignment="Right"
+				HorizontalAlignment="Right"
-                VerticalAlignment="Center">
+				VerticalAlignment="Center">
-                <Button
+				<Button
-                    x:Name="btOrderSupport"
+					x:Name="btOrderSupport"
-                    Click="bt_showOrderSupport"
+					Click="bt_showOrderSupport"
-                    Style="{StaticResource IconButtonStyle}"
+					IsEnabled="False"
-                    ToolTip="客户工单">
+					Style="{StaticResource IconButtonStyle}"
-                    <Grid Width="30" Height="30">
+					ToolTip="客户工单">
-                        <TextBlock
+					<Grid Width="30" Height="30">
-                            HorizontalAlignment="Center"
+						<TextBlock
-                            VerticalAlignment="Center"
+							HorizontalAlignment="Center"
-                            FontSize="22"
+							VerticalAlignment="Center"
-                            Foreground="{StaticResource mainColorLightBrush}"
+							FontSize="22"
-                            Style="{StaticResource TextBlockIcon}"
+							Foreground="{StaticResource mainColorLightBrush}"
-                            Text="{StaticResource txt-alert}" />
+							Style="{StaticResource TextBlockIcon}"
-                        <Border
+							Text="{StaticResource txt-alert}" />
-                            x:Name="borderOrderSupportUnread"
+						<Border
-                            Height="16"
+							x:Name="borderOrderSupportUnread"
-                            MinWidth="16"
+							Height="16"
-                            Padding="4,0"
+							MinWidth="16"
-                            HorizontalAlignment="Right"
+							Padding="4,0"
-                            VerticalAlignment="Top"
+							HorizontalAlignment="Right"
-                            d:Visibility="Visible"
+							VerticalAlignment="Top"
-                            Background="#E53935"
+							d:Visibility="Visible"
-                            CornerRadius="8"
+							Background="#E53935"
-                            Visibility="Collapsed">
+							CornerRadius="8"
-                            <TextBlock
+							Visibility="Collapsed">
-                                x:Name="tbOrderSupportUnread"
+							<TextBlock
-                                HorizontalAlignment="Center"
+								x:Name="tbOrderSupportUnread"
-                                VerticalAlignment="Center"
+								HorizontalAlignment="Center"
-                                FontSize="10"
+								VerticalAlignment="Center"
-                                FontWeight="Bold"
+								FontSize="10"
-                                Foreground="White"
+								FontWeight="Bold"
-                                Text="0" />
+								Foreground="White"
-                        </Border>
+								Text="0" />
-                    </Grid>
+						</Border>
-                </Button>
+					</Grid>
-                <Border
+				</Button>
-                    Width="1"
+				<Border
-                    Height="20"
+					Width="1"
-                    Margin="10,0"
+					Height="20"
-                    Background="#b893b2" />
+					Margin="10,0"
-                <Button Click="bt_setting" Style="{StaticResource IconButtonStyle}">
+					Background="#b893b2" />
-                    <TextBlock
+				<Button Click="bt_setting" Style="{StaticResource IconButtonStyle}">
-                        FontSize="22"
+					<TextBlock
-                        Foreground="{StaticResource mainColorLightBrush}"
+						FontSize="22"
-                        Style="{StaticResource TextBlockIcon}"
+						Foreground="{StaticResource mainColorLightBrush}"
-                        Text="{StaticResource txt-settings}" />
+						Style="{StaticResource TextBlockIcon}"
-                </Button>
+						Text="{StaticResource txt-settings}" />
-                <Border
+				</Button>
-                    Width="1"
+				<Border
-                    Height="20"
+					Width="1"
-                    Margin="10,0"
+					Height="20"
-                    Background="#b893b2" />
+					Margin="10,0"
-            </WrapPanel>
+					Background="#b893b2" />
-            <WrapPanel
+			</WrapPanel>
-                Grid.Column="3"
+			<WrapPanel
-                HorizontalAlignment="Right"
+				Grid.Column="3"
-                VerticalAlignment="Top">
+				HorizontalAlignment="Right"
+				VerticalAlignment="Top">
 
-                <UniformGrid Rows="2">
+				<UniformGrid Rows="2">
-                    <WrapPanel>
+					<WrapPanel>
-                        <Label
+						<Label
-                            x:Name="lblDebug"
+							x:Name="lblDebug"
-                            Margin="2,4,0,0"
+							Margin="2,4,0,0"
-                            Content="[release]"
+							Content="[release]"
-                            FontSize="12"
+							FontSize="12"
-                            Foreground="{StaticResource mainColorLightBrush}"
+							Foreground="{StaticResource mainColorLightBrush}"
-                            Opacity="0.7" />
+							Opacity="0.7" />
-                        <Label
+						<Label
-                            x:Name="lblVersion"
+							x:Name="lblVersion"
-                            Margin="2,4,0,0"
+							Margin="2,4,0,0"
-                            Content="版本信息"
+							Content="版本信息"
-                            FontSize="12"
+							FontSize="12"
-                            Foreground="{StaticResource mainColorLightBrush}"
+							Foreground="{StaticResource mainColorLightBrush}"
-                            Opacity="0.7" />
+							Opacity="0.7" />
 
-                    </WrapPanel>
+					</WrapPanel>
-                    <Label
+					<Label
-                        x:Name="lblBalance"
+						x:Name="lblBalance"
-                        Grid.Column="4"
+						Grid.Column="4"
-                        HorizontalAlignment="Right"
+						HorizontalAlignment="Right"
-                        VerticalAlignment="Top"
+						VerticalAlignment="Top"
-                        VerticalContentAlignment="Center"
+						VerticalContentAlignment="Center"
-                        d:Content="快递余额：999.99"
+						d:Content="快递余额：999.99"
-                        Content="{Binding Balance}"
+						Content="{Binding Balance}"
-                        Cursor="Hand"
+						Cursor="Hand"
-                        FontSize="12"
+						FontSize="12"
-                        Foreground="#60ff66"
+						Foreground="#60ff66"
-                        MouseLeftButtonUp="lblBalance_MouseLeftButtonUp"
+						MouseLeftButtonUp="lblBalance_MouseLeftButtonUp"
-                        Opacity="0.7" />
+						Opacity="0.7" />
-                </UniformGrid>
+				</UniformGrid>
-            </WrapPanel>
+			</WrapPanel>
 
-            <userctrls:UcWindowBoxes
+			<userctrls:UcWindowBoxes
-                x:Name="ucWindowBox"
+				x:Name="ucWindowBox"
-                Grid.Column="4"
+				Grid.Column="4"
-                Margin="4"
+				Margin="4"
-                HorizontalAlignment="Right"
+				HorizontalAlignment="Right"
-                VerticalAlignment="Top"
+				VerticalAlignment="Top"
-                MaxBoxVisibility="Visible" />
+				MaxBoxVisibility="Visible" />
-        </Grid>
+		</Grid>
-        <Grid
+		<Grid
-            x:Name="gridContainer"
+			x:Name="gridContainer"
-            Grid.Row="1"
+			Grid.Row="1"
-            Margin="2,0,2,2"
+			Margin="2,0,2,2"
-            Background="White">
+			Background="White">
-            <Grid.ColumnDefinitions>
+			<Grid.ColumnDefinitions>
-                <ColumnDefinition Width="auto" />
+				<ColumnDefinition Width="auto" />
-                <ColumnDefinition Width="*" />
+				<ColumnDefinition Width="*" />
-            </Grid.ColumnDefinitions>
+			</Grid.ColumnDefinitions>
-            <orderctrls:OrderListCtrl
+			<orderctrls:OrderListCtrl
-                x:Name="orderListCtrl"
+				x:Name="orderListCtrl"
-                Grid.Column="1"
+				Grid.Column="1"
-                d:Visibility="Visible"
+				d:Visibility="Visible"
-                Visibility="Collapsed" />
+				Visibility="Collapsed" />
-            <Grid
+			<Grid
-                x:Name="gridTbBuyerOrderReadCtrl"
+				x:Name="gridTbBuyerOrderReadCtrl"
-                Grid.ColumnSpan="2"
+				Grid.ColumnSpan="2"
-                d:Visibility="Visible"
+				d:Visibility="Visible"
-                Background="#7F000000"
+				Background="#7F000000"
-                MouseLeftButtonUp="gridPddBuyerOrderReadCtrl_MouseLeftButtonUp"
+				MouseLeftButtonUp="gridPddBuyerOrderReadCtrl_MouseLeftButtonUp"
-                Visibility="Hidden">
+				Visibility="Hidden">
-                <Border
+				<Border
-                    Height="auto"
+					Height="auto"
-                    Margin="0,50,0,0"
+					Margin="0,50,0,0"
-                    HorizontalAlignment="Right"
+					HorizontalAlignment="Right"
-                    Background="White"
+					Background="White"
-                    CornerRadius="10">
+					CornerRadius="10">
-                    <Grid>
+					<Grid>
-                        <buyerctrls:PDDBuyerOrderReadCtrl
+						<buyerctrls:PDDBuyerOrderReadCtrl
-                            x:Name="pddBuyerOrderReadCtrl"
+							x:Name="pddBuyerOrderReadCtrl"
-                            Grid.Column="1"
+							Grid.Column="1"
-                            Width="1200"
+							Width="1200"
-                            HorizontalAlignment="Right"
+							HorizontalAlignment="Right"
-                            Panel.ZIndex="-1"
+							Panel.ZIndex="-1"
-                            d:Visibility="Visible"
+							d:Visibility="Visible"
-                            Visibility="Collapsed" />
+							Visibility="Collapsed" />
-                        <buyerctrls:TbBuyerOrderReadCtrl
+						<buyerctrls:TbBuyerOrderReadCtrl
-                            x:Name="tbBuyerOrderReadCtrl"
+							x:Name="tbBuyerOrderReadCtrl"
-                            Grid.Column="1"
+							Grid.Column="1"
-                            Width="1200"
+							Width="1200"
-                            HorizontalAlignment="Right"
+							HorizontalAlignment="Right"
-                            Panel.ZIndex="-1"
+							Panel.ZIndex="-1"
-                            d:Visibility="Collapsed"
+							d:Visibility="Collapsed"
-                            Visibility="Collapsed" />
+							Visibility="Collapsed" />
-                    </Grid>
+					</Grid>
-                </Border>
+				</Border>
-            </Grid>
+			</Grid>
-            <buyerctrls:PDDBuyerSelectCtrl
+			<buyerctrls:PDDBuyerSelectCtrl
-                x:Name="pddBuyerSelectCtrl"
+				x:Name="pddBuyerSelectCtrl"
-                Grid.Column="1"
+				Grid.Column="1"
-                Margin="8"
+				Margin="8"
-                HorizontalAlignment="Right"
+				HorizontalAlignment="Right"
-                VerticalAlignment="Top"
+				VerticalAlignment="Top"
-                d:Visibility="Visible"
+				d:Visibility="Visible"
-                Visibility="Collapsed" />
+				Visibility="Collapsed" />
-            <Grid
+			<Grid
-                x:Name="gridUser"
+				x:Name="gridUser"
-                Grid.ColumnSpan="2"
+				Grid.ColumnSpan="2"
-                Background="#7F000000"
+				Background="#7F000000"
-                Visibility="Hidden">
+				Visibility="Hidden">
-                <Border
+				<Border
-                    Width="500"
+					Width="500"
-                    Height="600"
+					Height="600"
-                    Background="White"
+					Background="White"
-                    CornerRadius="4">
+					CornerRadius="4">
-                    <shopctrls:ShopListCtrl
+					<shopctrls:ShopListCtrl
-                        x:Name="shopListCtrl"
+						x:Name="shopListCtrl"
-                        Grid.ColumnSpan="2"
+						Grid.ColumnSpan="2"
-                        Margin="2"
+						Margin="2"
-                        Visibility="{Binding ElementName=gridUser, Mode=TwoWay, Path=Visibility}" />
+						Visibility="{Binding ElementName=gridUser, Mode=TwoWay, Path=Visibility}" />
-                </Border>
+				</Border>
-            </Grid>
+			</Grid>
-        </Grid>
+		</Grid>
 
 
-        <Border
+		<Border
-            x:Name="borderMessage"
+			x:Name="borderMessage"
-            Grid.Row="1"
+			Grid.Row="1"
-            Width="auto"
+			Width="auto"
-            Height="auto"
+			Height="auto"
-            MinWidth="120"
+			MinWidth="120"
-            MinHeight="2"
+			MinHeight="2"
-            MaxWidth="1200"
+			MaxWidth="1200"
-            Margin="10,50"
+			Margin="10,50"
-            HorizontalAlignment="Center"
+			HorizontalAlignment="Center"
-            VerticalAlignment="Top"
+			VerticalAlignment="Top"
-            Panel.ZIndex="1000000"
+			Panel.ZIndex="1000000"
-            Background="White"
+			Background="White"
-            BorderBrush="{StaticResource pageColorBrush}"
+			BorderBrush="{StaticResource pageColorBrush}"
-            BorderThickness="1"
+			BorderThickness="1"
-            CornerRadius="6"
+			CornerRadius="6"
-            IsHitTestVisible="False"
+			IsHitTestVisible="False"
-            Opacity="0">
+			Opacity="0">
-            <Border.Effect>
+			<Border.Effect>
-                <DropShadowEffect
+				<DropShadowEffect
-                    BlurRadius="40"
+					BlurRadius="40"
-                    Opacity="0.2"
+					Opacity="0.2"
-                    ShadowDepth="5"
+					ShadowDepth="5"
-                    Color="#FF98638f" />
+					Color="#FF98638f" />
-            </Border.Effect>
+			</Border.Effect>
-            <TextBlock
+			<TextBlock
-                x:Name="tbMessage"
+				x:Name="tbMessage"
-                Margin="10"
+				Margin="10"
-                HorizontalAlignment="Center"
+				HorizontalAlignment="Center"
-                VerticalAlignment="Center"
+				VerticalAlignment="Center"
-                Text="这里是默认提示信息"
+				Text="这里是默认提示信息"
-                TextWrapping="Wrap" />
+				TextWrapping="Wrap" />
-        </Border>
+		</Border>
-        <!--<Image x:Name="imageBig" HorizontalAlignment="Left" Height="800" Width="800" VerticalAlignment="Center" Grid.Row="1" Margin="200,0,0,0"/>-->
+		<!--<Image x:Name="imageBig" HorizontalAlignment="Left" Height="800" Width="800" VerticalAlignment="Center" Grid.Row="1" Margin="200,0,0,0"/>-->
-    </Grid>
+	</Grid>
 </basewindows:BaseWindow>

29WxOrderWpf/MainWindow.xaml.cs

@@ -107,7 +107,7 @@ namespace _29WxOrderWpf
 				pddBuyerSelectCtrl.Visibility = Visibility.Visible;
 				Task.Run(async () =>
 				{
-					GetServerShop(); 
+					GetServerShop();
 					await StartTicketRealtimeMonitor();//启动工单监控
 					GetShopSupplier(GlobalConfig.ShopLoginList.ToList());
 				});
@@ -239,7 +239,10 @@ namespace _29WxOrderWpf
 		private void BaseWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
 		{
 			if (BaseMsgWindow.ShowConfirm("是否关闭软件？", "退出微信小店订单管理").DialogResult == true)
+			{
+				_ticketMonitor.Dispose();
 				Process.GetCurrentProcess().Kill();
+			}
 			else
 				e.Cancel = true;
 		}
@@ -611,6 +614,10 @@ namespace _29WxOrderWpf
 				await _ticketMonitor.Start(options);
 				UpdateOrderSupportBadge();
 				_ = LoadHistoricalTicketUnreadAsync(options);
+				this.Dispatcher.Invoke(() =>
+				{
+					btOrderSupport.IsEnabled = true;
+				});
 			}
 			catch (Exception ex)
 			{

AllBase/ImageBuild.cs

@@ -415,7 +415,7 @@ namespace AllBase
                         bitmap.Freeze(); // 防止后续更改，提高性能
                     }
                 }
-            }
+			}
             catch (Exception ex)
             {
                 // 处理异常，例如打印错误信息或设置一个默认图片等
@@ -425,7 +425,7 @@ namespace AllBase
 
             return bitmap;
         }
-
+		
 		public static async Task<BitmapImage> LoadBitmipImageFromUrlAsync(string url, int? width = null, int? height = null)
 		{
 			BitmapImage bitmap = new BitmapImage();

OrderSupportTicket/LaunchDarkly.EventSource/EventSource.cs

@@ -177,6 +177,7 @@ namespace LaunchDarkly.EventSource
 				}
 				catch (Exception e)
 				{
+					_logger.Error(e.Message);
 					CancelCurrentRequest();
 
 					// If the user called Close(), ReadyState = Shutdown, so errors are irrelevant.
@@ -200,7 +201,6 @@ namespace LaunchDarkly.EventSource
 								realException = new TimeoutException();
 							}
 						}
-
 						if (realException != null)
 						{
 							OnError(new ExceptionEventArgs(realException));

OrderSupportTicket/Models/Api/WorkOrderContracts.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using Newtonsoft.Json;
 
 namespace OrderSupportTicket.Models.Api;
@@ -139,10 +139,16 @@ internal sealed class SendMessageRequest
     public string ClientMessageId { get; set; }
 
     /// <summary>
-    /// 留言正文，长度 1～4000 字。
+    /// 留言正文；有图片附件时可为空。
     /// </summary>
     ////[JsonProperty("text")]
     public string Text { get; set; }
+
+    /// <summary>
+    /// 图片上传回执，最多 3 个；无图片时为 null，序列化时省略。
+    /// </summary>
+    ////[JsonProperty("attachments")]
+    public IList<MessageAttachmentReceipt> Attachments { get; set; }
 }
 
 /// <summary>
@@ -169,6 +175,176 @@ internal sealed class MarkReadRequest
     public int ThroughSequenceNo { get; set; }
 }
 
+/// <summary>
+/// 申请图片直传凭证请求。
+/// </summary>
+internal sealed class CreateImageUploadTicketRequest
+{
+    /// <summary>
+    /// 拍单账号。
+    /// </summary>
+    public string PurchaseAccount { get; set; }
+
+    /// <summary>
+    /// 订单所属店铺 APPID。
+    /// </summary>
+    public string AppId { get; set; }
+
+    /// <summary>
+    /// 原始文件名，1～180 字符。
+    /// </summary>
+    public string FileName { get; set; }
+
+    /// <summary>
+    /// 精确的图片 MIME 类型：image/jpeg、image/png 或 image/webp。
+    /// </summary>
+    public string MimeType { get; set; }
+
+    /// <summary>
+    /// 图片实际字节数，1～5,242,880。
+    /// </summary>
+    public long Size { get; set; }
+
+    /// <summary>
+    /// 可选的上传标识；省略时由服务端生成。
+    /// </summary>
+    public string RequestId { get; set; }
+}
+
+/// <summary>
+/// 图片直传凭证响应。
+/// </summary>
+public sealed class ImageUploadTicketResponse
+{
+    /// <summary>
+    /// 请求是否成功。
+    /// </summary>
+    public bool Success { get; set; }
+
+    /// <summary>
+    /// 本次上传的凭证信息。
+    /// </summary>
+    public ImageUploadTicketDto Upload { get; set; }
+
+    /// <summary>
+    /// 订单所属店铺 APPID。
+    /// </summary>
+    public string AppId { get; set; }
+
+    /// <summary>
+    /// 微信订单号。
+    /// </summary>
+    public string WechatOrderId { get; set; }
+
+    /// <summary>
+    /// 接口返回的身份校验标记，当前恒为 false。
+    /// </summary>
+    public bool IdentityVerified { get; set; }
+
+    /// <summary>
+    /// 本次 HTTP 请求的排查编号；不是 upload.requestId。
+    /// </summary>
+    public string RequestId { get; set; }
+}
+
+/// <summary>
+/// 服务端签发的单次图片直传凭证。
+/// </summary>
+public sealed class ImageUploadTicketDto
+{
+    /// <summary>
+    /// 上传模式，文档约定为 single。
+    /// </summary>
+    public string Mode { get; set; }
+
+    /// <summary>
+    /// 上传 HTTP 方法，文档约定为 PUT。
+    /// </summary>
+    public string Method { get; set; }
+
+    /// <summary>
+    /// 本次图片上传标识。
+    /// </summary>
+    public string RequestId { get; set; }
+
+    /// <summary>
+    /// 服务端签发的上传凭证，需原样提交留言接口。
+    /// </summary>
+    public string Ticket { get; set; }
+
+    /// <summary>
+    /// 带短时签名的 COS 上传地址。
+    /// </summary>
+    public string UploadUrl { get; set; }
+
+    /// <summary>
+    /// 直传时必须原样携带的请求头。
+    /// </summary>
+    public Dictionary<string, string> Headers { get; set; }
+
+    /// <summary>
+    /// 上传凭证过期时间。
+    /// </summary>
+    public string ExpiresAt { get; set; }
+}
+
+/// <summary>
+/// 图片直传完成后提交给留言接口的回执。
+/// </summary>
+public sealed class MessageAttachmentReceipt
+{
+    /// <summary>
+    /// 原样使用 upload.requestId。
+    /// </summary>
+    public string RequestId { get; set; }
+
+    /// <summary>
+    /// 原样使用 upload.ticket。
+    /// </summary>
+    public string Ticket { get; set; }
+
+    /// <summary>
+    /// 可选的 COS 响应 ETag。
+    /// </summary>
+    public string Etag { get; set; }
+}
+
+/// <summary>
+/// 留言中的公开图片附件。
+/// </summary>
+public sealed class TicketAttachmentDto
+{
+    /// <summary>
+    /// 附件唯一 ID。
+    /// </summary>
+    public string Id { get; set; }
+
+    /// <summary>
+    /// 原始文件名。
+    /// </summary>
+    public string OriginalName { get; set; }
+
+    /// <summary>
+    /// 图片 MIME 类型。
+    /// </summary>
+    public string ContentType { get; set; }
+
+    /// <summary>
+    /// 图片字节数。
+    /// </summary>
+    public long ByteSize { get; set; }
+
+    /// <summary>
+    /// 图片创建时间。
+    /// </summary>
+    public string CreatedAt { get; set; }
+
+    /// <summary>
+    /// 短时读取地址；暂不可用时为 null。
+    /// </summary>
+    public string ReadUrl { get; set; }
+}
+
 /// <summary>
 /// 工单摘要分页响应。
 /// </summary>
@@ -371,6 +547,12 @@ public sealed class TicketMessageDto
     /// </summary>
     ////[JsonProperty("createdAt")]
     public string CreatedAt { get; set; }
+
+    /// <summary>
+    /// 公开图片附件；无图片时为空数组。
+    /// </summary>
+    ////[JsonProperty("attachments")]
+    public List<TicketAttachmentDto> Attachments { get; set; }
 }
 
 /// <summary>

OrderSupportTicket/OrderSupportTicket.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\AllBase\29WxOrderAllBase.csproj" />
-    <ProjectReference Include="..\WxOrder.Framework\WxOrder.Framework.csproj" />
+    <ProjectReference Include="..\Work\29WxOrderWork.csproj" />
   </ItemGroup>
 
   <ItemGroup>

OrderSupportTicket/Services/EventSourceTicketRealtimeService.cs

@@ -33,7 +33,7 @@ public sealed class EventSourceTicketRealtimeService
 	/// </summary>
 	public TicketRealtimeState State { get; private set; } = TicketRealtimeState.Disconnected;
 
-	public async Task Start(TicketClientOptions options)
+	public  Task Start(TicketClientOptions options)
 	{
 		if (_disposed)
 			throw new ObjectDisposedException(nameof(EventSourceTicketRealtimeService));
@@ -56,7 +56,8 @@ public sealed class EventSourceTicketRealtimeService
 		}
 
 		SetState(TicketRealtimeState.Connecting, "连接中…");
-		 await RunAsync(source);
+		 _= RunAsync(source); 
+		return Task.FromResult(0);
 	}
 
 	public Task StopAsync()
@@ -220,6 +221,7 @@ public sealed class EventSourceTicketRealtimeService
 		ConfigurationBuilder builder = Configuration.Builder(uri);
 		builder.RequestHeader("X-AppIds", $"[\"{string.Join("\",\"", appIds)}\"]");
 		builder.Logger(NLogger.Instance);
+		//builder.LastEventId("");
 		//var proxy = new WebProxy("http://127.0.0.1:8081"); //
 		//var handler = new HttpClientHandler
 		//{

OrderSupportTicket/Services/TicketApiException.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace OrderSupportTicket.Services;
 
@@ -13,11 +13,13 @@ public sealed class TicketApiException : Exception
     public TicketApiException(
         int statusCode,
         string message,
-        string responseBody = null)
+        string responseBody = null,
+        string errorCode = null)
         : base(message)
     {
         StatusCode = statusCode;
         ResponseBody = responseBody;
+        ErrorCode = errorCode;
     }
 
     /// <summary>
@@ -29,4 +31,9 @@ public sealed class TicketApiException : Exception
     /// 服务端返回的原始响应正文。
     /// </summary>
     public string ResponseBody { get; }
-}
+
+    /// <summary>
+    /// 服务端返回的错误码，例如 client_api_image_expired。
+    /// </summary>
+    public string ErrorCode { get; }
+}

OrderSupportTicket/Services/TicketApiService.cs

@@ -1,11 +1,14 @@
-using AllBase;
+using AllBase;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Serialization;
 using OrderSupportTicket.Models;
 using OrderSupportTicket.Models.Api;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Net;
+using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using WxOrder.Framework.Commons;
@@ -19,6 +22,16 @@ public sealed class TicketApiService
 {
 	internal static string ServerUrl = "https://ai.e57.cn";
 	private const string ApiRoot = "/api/open/v2/customer-work-orders";
+
+	/// <summary>
+	/// 每条留言最多可携带的图片数量。
+	/// </summary>
+	public const int MaxImageCount = 3;
+
+	/// <summary>
+	/// 单张图片允许的最大字节数（5 MiB）。
+	/// </summary>
+	public const long MaxImageBytes = 5 * 1024 * 1024;
 	private static readonly Regex AppIdRegex =
 		new Regex(@"^wx[0-9a-f]{16}$", RegexOptions.Compiled | RegexOptions.CultureInvariant);
 	private static readonly Regex OrderIdRegex =
@@ -27,6 +40,14 @@ public sealed class TicketApiService
 		new Regex(@"^[\p{L}\p{N}_.@-]{2,120}$", RegexOptions.Compiled);
 	private static readonly Regex OperationIdRegex =
 		new Regex(@"^[A-Za-z0-9_.:-]{1,128}$", RegexOptions.Compiled | RegexOptions.CultureInvariant);
+	private static readonly HashSet<string> SupportedImageMimeTypes =
+		new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+		{
+			"image/jpeg",
+			"image/png",
+			"image/webp"
+		};
+	private static readonly HttpClient ImageUploadClient = CreateImageUploadClient();
 	internal static readonly JsonSerializerSettings JsonSettings = new JsonSerializerSettings
 	{
 		NullValueHandling = NullValueHandling.Ignore,
@@ -158,22 +179,25 @@ public sealed class TicketApiService
 		TicketClientOptions options,
 		WorkOrderSummaryDto workOrder,
 		string text,
-		string clientMessageId)
+		string clientMessageId,
+		IList<MessageAttachmentReceipt> attachments = null)
 	{
 		ValidateOptions(options);
 		if (workOrder == null)
 			throw new ArgumentNullException(nameof(workOrder));
 		ValidateAppId(workOrder.AppId);
 		ValidateWechatOrderId(workOrder.WechatOrderId);
-		ValidateMessageText(text);
+		ValidateMessageContent(text, attachments);
 		ValidateOperationId(clientMessageId, "clientMessageId", required: true);
 
+		var hasAttachments = attachments != null && attachments.Count > 0;
 		var request = new SendMessageRequest
 		{
 			PurchaseAccount = options.UserName,
 			AppId = workOrder.AppId,
 			ClientMessageId = clientMessageId,
-			Text = text
+			Text = string.IsNullOrWhiteSpace(text) ? null : text,
+			Attachments = hasAttachments ? attachments.ToList() : null
 		};
 		var path = ApiRoot
 			+ "/orders/"
@@ -182,6 +206,139 @@ public sealed class TicketApiService
 		return await PostAsync<SendMessageResponse>(path, request);
 	}
 
+	/// <summary>
+	/// 申请单张图片的短时直传凭证。每张图片单独申请。
+	/// </summary>
+	public async Task<ImageUploadTicketResponse> CreateImageUploadTicketAsync(
+		TicketClientOptions options,
+		string appId,
+		string wechatOrderId,
+		string fileName,
+		string mimeType,
+		long size,
+		string requestId = null)
+	{
+		ValidateOptions(options);
+		ValidateAppId(appId);
+		ValidateWechatOrderId(wechatOrderId);
+		var normalizedFileName = ValidateImageFileName(fileName);
+		var normalizedMimeType = ValidateImageMimeType(mimeType);
+		ValidateImageSize(size);
+		ValidateOperationId(requestId, "requestId", required: false);
+
+		var request = new CreateImageUploadTicketRequest
+		{
+			PurchaseAccount = options.UserName,
+			AppId = appId,
+			FileName = normalizedFileName,
+			MimeType = normalizedMimeType,
+			Size = size,
+			RequestId = string.IsNullOrWhiteSpace(requestId) ? null : requestId
+		};
+		var path = ApiRoot
+			+ "/orders/"
+			+ Uri.EscapeDataString(wechatOrderId)
+			+ "/message-attachments/upload-ticket";
+		var response = await PostAsync<ImageUploadTicketResponse>(path, request);
+		ValidateImageUploadTicket(response?.Upload);
+		return response;
+	}
+
+	/// <summary>
+	/// 使用服务端签发的凭证把图片二进制直接 PUT 到 COS。
+	/// 返回的 requestId/ticket/etag 需原样提交到留言接口。
+	/// </summary>
+	public async Task<MessageAttachmentReceipt> UploadImageAsync(
+		ImageUploadTicketDto upload,
+		string filePath)
+	{
+		ValidateImageUploadTicket(upload);
+		if (string.IsNullOrWhiteSpace(filePath))
+			throw new ArgumentException("图片文件路径不能为空。", nameof(filePath));
+
+		byte[] bytes;
+		try
+		{
+			bytes = await Task.Run(() => File.ReadAllBytes(filePath)).ConfigureAwait(false);
+		}
+		catch (Exception ex) when (
+			ex is IOException
+			|| ex is UnauthorizedAccessException
+			|| ex is ArgumentException)
+		{
+			throw new ArgumentException("读取图片文件失败：" + ex.Message, nameof(filePath));
+		}
+		if (bytes.Length < 1 || bytes.Length > MaxImageBytes)
+			throw new ArgumentException("单张图片必须为 1 字节～5 MiB。", nameof(filePath));
+
+		var contentType = GetUploadHeader(upload.Headers, "Content-Type")
+			?? "application/octet-stream";
+		using (var request = new HttpRequestMessage(
+			new HttpMethod(upload.Method.ToUpperInvariant()),
+			upload.UploadUrl))
+		using (var content = new ByteArrayContent(bytes))
+		{
+			content.Headers.TryAddWithoutValidation("Content-Type", contentType);
+			foreach (var header in upload.Headers ?? new Dictionary<string, string>())
+			{
+				if (string.IsNullOrWhiteSpace(header.Key))
+					continue;
+				if (string.Equals(header.Key, "Content-Type", StringComparison.OrdinalIgnoreCase)
+					|| string.Equals(header.Key, "Content-Length", StringComparison.OrdinalIgnoreCase))
+					continue;
+				if (!request.Headers.TryAddWithoutValidation(header.Key, header.Value))
+					content.Headers.TryAddWithoutValidation(header.Key, header.Value);
+			}
+			request.Content = content;
+
+			HttpResponseMessage response;
+			try
+			{
+				response = await ImageUploadClient
+					.SendAsync(request)
+					.ConfigureAwait(false);
+			}
+			catch (Exception ex) when (
+				ex is HttpRequestException
+				|| ex is TaskCanceledException)
+			{
+				throw new TicketApiException(0, "图片直传网络异常，请稍后重试。");
+			}
+
+			using (response)
+			{
+				if (!response.IsSuccessStatusCode)
+				{
+					var statusCode = (int)response.StatusCode;
+					string body = null;
+					try
+					{
+						body = await response.Content
+							.ReadAsStringAsync()
+							.ConfigureAwait(false);
+					}
+					catch
+					{
+						// 存储端错误正文仅用于提取可读提示，失败时使用通用文案。
+					}
+					throw new TicketApiException(
+						statusCode,
+						ExtractUploadErrorMessage(body, statusCode));
+				}
+
+				var etag = response.Headers.TryGetValues("ETag", out var values)
+					? values.FirstOrDefault()
+					: null;
+				return new MessageAttachmentReceipt
+				{
+					RequestId = upload.RequestId,
+					Ticket = upload.Ticket,
+					Etag = string.IsNullOrWhiteSpace(etag) ? null : etag
+				};
+			}
+		}
+	}
+
 	public async Task MarkReadAsync(
 		TicketClientOptions options,
 		string appId,
@@ -342,25 +499,52 @@ public sealed class TicketApiService
 		return new TicketApiException(
 			ExtractStatusCode(responseBody),
 			message,
-			responseBody);
+			responseBody,
+			ExtractErrorCode(responseBody));
+	}
+
+	private static ApiErrorResponse ExtractErrorResponse(string responseBody)
+	{
+		if (string.IsNullOrWhiteSpace(responseBody))
+			return null;
+		try
+		{
+			return JsonConvert.DeserializeObject<ApiErrorResponse>(responseBody, JsonSettings);
+		}
+		catch (JsonException)
+		{
+			return null;
+		}
+	}
+
+	private static string ExtractErrorCode(string responseBody)
+	{
+		return ExtractErrorResponse(responseBody)?.Code;
 	}
 
 	private static int ExtractStatusCode(string responseBody)
 	{
-		if (string.IsNullOrWhiteSpace(responseBody))
+		var error = ExtractErrorResponse(responseBody);
+		if (error == null || string.IsNullOrWhiteSpace(error.Code))
 			return 0;
+		if (int.TryParse(error.Code, out var code))
+			return code;
 
-		try
+		switch (error.Code.Trim().ToLowerInvariant())
 		{
-			var error = JsonConvert.DeserializeObject<ApiErrorResponse>(responseBody, JsonSettings);
+			case "client_api_image_expired":
-			if (error != null && int.TryParse(error.Code, out var code))
+				return 410;
-				return code;
+			case "client_api_image_already_used":
+				return 409;
+			case "client_api_image_invalid":
+				return 422;
+			case "client_api_image_upload_failed":
+				return 400;
+			case "client_api_images_unavailable":
+				return 503;
+			default:
+				return 0;
 		}
-		catch (JsonException)
-		{
-			// GetHtml 在网络异常时会返回普通错误文本，此时没有 HTTP 状态码。
-		}
-		return 0;
 	}
 
 	private static List<string> NormalizeAppIds(IEnumerable<string> appIds)
@@ -389,14 +573,152 @@ public sealed class TicketApiService
 		}
 	}
 
-	private static void ValidateMessageText(string text)
+
+	private static void ValidateMessageContent(
+		string text,
+		IList<MessageAttachmentReceipt> attachments)
 	{
-		if (string.IsNullOrWhiteSpace(text)
+		var attachmentCount = attachments?.Count ?? 0;
-			|| text.Length < 1
+		if (attachmentCount > MaxImageCount)
-			|| text.Length > 4000)
 		{
-			throw new ArgumentException("text 必须为 1～4000 字。", nameof(text));
+			throw new ArgumentException(
+				"每条留言最多提交 " + MaxImageCount + " 张图片。",
+				nameof(attachments));
 		}
+		if (attachmentCount > 0)
+			ValidateAttachmentReceipts(attachments);
+
+		if (!string.IsNullOrWhiteSpace(text))
+		{
+			if (text.Length > 4000)
+				throw new ArgumentException("text 不能超过 4000 字。", nameof(text));
+		}
+		else if (attachmentCount == 0)
+		{
+			throw new ArgumentException("text 与图片附件不能同时为空。", nameof(text));
+		}
+	}
+
+	private static void ValidateAttachmentReceipts(
+		IList<MessageAttachmentReceipt> attachments)
+	{
+		var requestIds = new HashSet<string>(StringComparer.Ordinal);
+		foreach (var attachment in attachments)
+		{
+			if (attachment == null
+				|| string.IsNullOrWhiteSpace(attachment.RequestId)
+				|| !OperationIdRegex.IsMatch(attachment.RequestId)
+				|| string.IsNullOrWhiteSpace(attachment.Ticket))
+			{
+				throw new ArgumentException(
+					"图片上传回执不完整或 requestId 格式不正确。",
+					nameof(attachments));
+			}
+			if (!requestIds.Add(attachment.RequestId))
+				throw new ArgumentException("图片上传回执不能重复。", nameof(attachments));
+		}
+	}
+
+	private static string ValidateImageFileName(string fileName)
+	{
+		var normalized = (fileName ?? string.Empty).Trim();
+		if (normalized.Length < 1
+			|| normalized.Length > 180
+			|| normalized.Any(char.IsControl)
+			|| normalized.IndexOfAny(new[] { '/', '\\' }) >= 0)
+		{
+			throw new ArgumentException(
+				"fileName 必须为 1～180 字符且不能包含路径分隔符或控制字符。",
+				nameof(fileName));
+		}
+		return normalized;
+	}
+
+	private static string ValidateImageMimeType(string mimeType)
+	{
+		var normalized = (mimeType ?? string.Empty).Trim().ToLowerInvariant();
+		if (!SupportedImageMimeTypes.Contains(normalized))
+		{
+			throw new ArgumentException(
+				"mimeType 仅支持 image/jpeg、image/png 或 image/webp。",
+				nameof(mimeType));
+		}
+		return normalized;
+	}
+
+	private static void ValidateImageSize(long size)
+	{
+		if (size < 1 || size > MaxImageBytes)
+		{
+			throw new ArgumentException(
+				"单张图片必须为 1 字节～5 MiB。",
+				nameof(size));
+		}
+	}
+
+	private static void ValidateImageUploadTicket(ImageUploadTicketDto upload)
+	{
+		if (upload == null
+			|| string.IsNullOrWhiteSpace(upload.RequestId)
+			|| string.IsNullOrWhiteSpace(upload.Ticket)
+			|| string.IsNullOrWhiteSpace(upload.UploadUrl)
+			|| string.IsNullOrWhiteSpace(GetUploadHeader(upload.Headers, "Content-Type"))
+			|| !string.Equals(upload.Method, "PUT", StringComparison.OrdinalIgnoreCase))
+		{
+			throw new TicketApiException(0, "服务端返回的图片上传凭证不完整。");
+		}
+		if (!Uri.TryCreate(upload.UploadUrl, UriKind.Absolute, out var uri)
+			|| (uri.Scheme != Uri.UriSchemeHttps && uri.Scheme != Uri.UriSchemeHttp))
+		{
+			throw new TicketApiException(0, "服务端返回的图片上传地址无效。");
+		}
+	}
+
+	private static string GetUploadHeader(
+		IDictionary<string, string> headers,
+		string name)
+	{
+		if (headers == null)
+			return null;
+		foreach (var header in headers)
+		{
+			if (string.Equals(header.Key, name, StringComparison.OrdinalIgnoreCase))
+				return header.Value;
+		}
+		return null;
+	}
+
+	private static string ExtractUploadErrorMessage(
+		string body,
+		int statusCode)
+	{
+		var error = ExtractErrorResponse(body);
+		if (!string.IsNullOrWhiteSpace(error?.Message))
+			return error.Message;
+		if (!string.IsNullOrWhiteSpace(error?.Error))
+			return error.Error;
+		if (statusCode == 403)
+			return "图片上传地址已失效或无权访问，请重新选择图片后发送。";
+		return "图片直传失败（HTTP " + statusCode + "），请重试。";
+	}
+
+	private static HttpClient CreateImageUploadClient()
+	{
+		try
+		{
+			ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
+		}
+		catch
+		{
+			// 旧系统不支持显式 TLS 1.2 时保留运行时默认值。
+		}
+		return new HttpClient(new HttpClientHandler
+		{
+			UseProxy = false
+		})
+		{
+			Timeout = TimeSpan.FromSeconds(120)
+		};
 	}
 
 	private static void ValidateOperationId(

OrderSupportTicket/Services/TicketService.cs

@@ -1,4 +1,4 @@
-using OrderSupportTicket.Models;
+using OrderSupportTicket.Models;
 using OrderSupportTicket.Models.Api;
 using System;
 using System.Threading.Tasks;
@@ -137,14 +137,50 @@ public sealed class TicketService : IDisposable
         TicketClientOptions options,
         WorkOrderSummaryDto workOrder,
         string text,
-        string clientMessageId)
+        string clientMessageId,
+        IList<MessageAttachmentReceipt> attachments = null)
     {
         ThrowIfDisposed();
         return _api.SendMessageAsync(
             options,
             workOrder,
             text,
-            clientMessageId);
+            clientMessageId,
+            attachments);
+    }
+
+    /// <summary>
+    /// 申请单张图片的短时直传凭证。
+    /// </summary>
+    public Task<ImageUploadTicketResponse> CreateImageUploadTicketAsync(
+        TicketClientOptions options,
+        string appId,
+        string wechatOrderId,
+        string fileName,
+        string mimeType,
+        long size,
+        string requestId = null)
+    {
+        ThrowIfDisposed();
+        return _api.CreateImageUploadTicketAsync(
+            options,
+            appId,
+            wechatOrderId,
+            fileName,
+            mimeType,
+            size,
+            requestId);
+    }
+
+    /// <summary>
+    /// 将图片二进制直接上传到 COS，返回留言接口需要的回执。
+    /// </summary>
+    public Task<MessageAttachmentReceipt> UploadImageAsync(
+        ImageUploadTicketDto upload,
+        string filePath)
+    {
+        ThrowIfDisposed();
+        return _api.UploadImageAsync(upload, filePath);
     }
 
     /// <summary>

OrderSupportTicket/ViewModels/ChatAttachmentViewModel.cs

@@ -0,0 +1,169 @@
+using OrderSupportTicket.Models.Api;
+using OrderSupportTicket.Services;
+using System;
+using System.Globalization;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media;
+using WPFCommon.Models;
+
+namespace OrderSupportTicket.ViewModels;
+
+/// <summary>
+/// 留言气泡中的公开图片附件。
+/// </summary>
+public sealed class ChatAttachmentViewModel : BindableBaseEx
+{
+    private bool _isLoading;
+	private bool _isLoadFailed;
+    private ImageSource _image;
+
+    public ChatAttachmentViewModel(TicketAttachmentDto dto)
+    {
+        if (dto == null)
+            throw new ArgumentNullException(nameof(dto));
+        Id = dto.Id;
+        OriginalName = dto.OriginalName;
+        ContentType = dto.ContentType;
+        ByteSize = dto.ByteSize;
+        ReadUrl = dto.ReadUrl;
+    }
+
+    /// <summary>
+    /// 附件唯一 ID。
+    /// </summary>
+    public string Id { get; }
+
+    /// <summary>
+    /// 原始文件名。
+    /// </summary>
+    public string OriginalName { get; }
+
+    /// <summary>
+    /// 图片 MIME 类型。
+    /// </summary>
+    public string ContentType { get; }
+
+    /// <summary>
+    /// 图片字节数。
+    /// </summary>
+    public long ByteSize { get; }
+
+    /// <summary>
+    /// 服务端生成的短时读取地址。
+    /// </summary>
+    public string ReadUrl { get; }
+
+    /// <summary>
+    /// 已下载并解码的图片；加载完成前为空。
+    /// </summary>
+    public ImageSource Image
+    {
+        get => _image;
+        private set
+        {
+            if (SetValue(ref _image, value))
+                RaisePropertyChanged(nameof(HasImage));
+        }
+    }
+
+    /// <summary>
+    /// 是否已成功显示图片。
+    /// </summary>
+    public bool HasImage => Image != null;
+
+    /// <summary>
+    /// 图片是否已经确认加载失败。加载完成前保持为 false。
+    /// </summary>
+	public bool IsLoadFailed
+	{
+		get => _isLoadFailed;
+		private set
+		{
+			if (SetValue(ref _isLoadFailed, value))
+				RaisePropertyChanged(nameof(ToolTipText));
+		}
+	}
+
+    /// <summary>
+    /// 附件名称、大小与加载状态提示。
+    /// </summary>
+    public string ToolTipText
+    {
+        get
+        {
+            var name = string.IsNullOrWhiteSpace(OriginalName) ? "图片" : OriginalName;
+            var size = FormatSize(ByteSize);
+            if (string.IsNullOrWhiteSpace(ReadUrl))
+                return name + "（" + size + "，暂不可用）";
+            if (_isLoading)
+                return name + "（" + size + "，加载中…）";
+			if (IsLoadFailed)
+				return name + "（" + size + "，加载失败）";
+            return name + "（" + size + "）";
+        }
+    }
+
+    /// <summary>
+    /// 下载并解码短时读取地址。失败时保留占位提示，不阻断文字留言展示。
+    /// </summary>
+    public async Task LoadAsync()
+    {
+        if (Image != null || _isLoading)
+            return;
+        if (string.IsNullOrWhiteSpace(ReadUrl))
+        {
+			IsLoadFailed = true;
+            return;
+        }
+
+		IsLoadFailed = false;
+        _isLoading = true;
+        RaisePropertyChanged(nameof(ToolTipText));
+        try
+        {
+            var image = await ProductImageLoader.LoadAsync(ReadUrl);
+			if (image == null)
+				IsLoadFailed = true;
+			else
+				await SetImageAsync(image);
+        }
+        catch
+        {
+			IsLoadFailed = true;
+        }
+        finally
+        {
+            _isLoading = false;
+            RaisePropertyChanged(nameof(ToolTipText));
+        }
+    }
+
+    private async Task SetImageAsync(ImageSource image)
+    {
+        if (image == null)
+            return;
+
+        var dispatcher = Application.Current?.Dispatcher;
+        if (dispatcher == null || dispatcher.CheckAccess())
+        {
+            Image = image;
+			IsLoadFailed = false;
+            return;
+        }
+		await dispatcher.InvokeAsync(() =>
+		{
+			Image = image;
+			IsLoadFailed = false;
+		});
+    }
+
+    private static string FormatSize(long byteSize)
+    {
+        if (byteSize >= 1024 * 1024)
+            return (byteSize / 1024d / 1024d).ToString("0.0", CultureInfo.CurrentCulture) + " MB";
+        if (byteSize >= 1024)
+            return (byteSize / 1024d).ToString("0.0", CultureInfo.CurrentCulture) + " KB";
+        return byteSize.ToString(CultureInfo.CurrentCulture) + " B";
+    }
+}

OrderSupportTicket/ViewModels/ChatMessageViewModel.cs

@@ -1,6 +1,10 @@
-using OrderSupportTicket.Models.Api;
+using OrderSupportTicket.Models.Api;
 using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Globalization;
+using System.Linq;
+using System.Threading.Tasks;
 using WPFCommon.Models;
 
 namespace OrderSupportTicket.ViewModels;
@@ -22,6 +26,7 @@ public sealed class ChatMessageViewModel : BindableBaseEx
     {
         if (dto == null)
             throw new ArgumentNullException(nameof(dto));
+        Attachments = new ObservableCollection<ChatAttachmentViewModel>();
         MessageId = dto.MessageId;
         SequenceNo = dto.SequenceNo;
         SenderType = dto.SenderType;
@@ -33,6 +38,7 @@ public sealed class ChatMessageViewModel : BindableBaseEx
             ? "该消息已撤回"
             : (dto.Text ?? string.Empty);
         CreatedAt = ParseTimestamp(dto.CreatedAt);
+        ReplaceAttachments(dto.Attachments);
     }
 
     /// <summary>
@@ -81,9 +87,18 @@ public sealed class ChatMessageViewModel : BindableBaseEx
     public string Content
     {
         get => _content;
-        private set => SetValue(ref _content, value);
+        private set
+        {
+            if (SetValue(ref _content, value))
+                RaisePropertyChanged(nameof(HasText));
+        }
     }
 
+    /// <summary>
+    /// 是否有可展示的文字内容。
+    /// </summary>
+    public bool HasText => !string.IsNullOrWhiteSpace(Content);
+
     /// <summary>
     /// 消息是否已撤回。
     /// </summary>
@@ -106,6 +121,16 @@ public sealed class ChatMessageViewModel : BindableBaseEx
         }
     }
 
+    /// <summary>
+    /// 消息中的公开图片附件。
+    /// </summary>
+    public ObservableCollection<ChatAttachmentViewModel> Attachments { get; }
+
+    /// <summary>
+    /// 是否包含图片附件。
+    /// </summary>
+    public bool HasAttachments => Attachments.Count > 0;
+
     /// <summary>
     /// 当前消息是否由客户发送。
     /// </summary>
@@ -120,6 +145,50 @@ public sealed class ChatMessageViewModel : BindableBaseEx
             ? string.Empty
             : CreatedAt.ToLocalTime().ToString("MM-dd HH:mm", CultureInfo.CurrentCulture);
 
+    /// <summary>
+    /// 使用服务端最新数据更新消息。短时图片地址会随每次查询变化，因此需要刷新附件。
+    /// </summary>
+    public void UpdateFrom(TicketMessageDto dto)
+    {
+        if (dto == null)
+            return;
+
+        SenderDisplayName = string.IsNullOrWhiteSpace(dto.SenderName)
+            ? (IsCustomer ? "我" : "客服")
+            : dto.SenderName;
+        IsRecalled = dto.Recalled;
+        Content = dto.Recalled
+            ? "该消息已撤回"
+            : (dto.Text ?? string.Empty);
+        CreatedAt = ParseTimestamp(dto.CreatedAt);
+        ReplaceAttachments(dto.Attachments);
+    }
+
+    private void ReplaceAttachments(IEnumerable<TicketAttachmentDto> attachments)
+    {
+        Attachments.Clear();
+        foreach (var dto in attachments ?? Enumerable.Empty<TicketAttachmentDto>())
+        {
+            if (dto == null)
+                continue;
+            Attachments.Add(new ChatAttachmentViewModel(dto));
+        }
+        RaisePropertyChanged(nameof(HasAttachments));
+        _ = LoadAttachmentsAsync();
+    }
+
+    private async Task LoadAttachmentsAsync()
+    {
+        try
+        {
+            await Task.WhenAll(Attachments.Select(item => item.LoadAsync()));
+        }
+        catch
+        {
+            // 单张图片加载失败时保留占位提示，不影响文字留言显示。
+        }
+    }
+
     private static DateTimeOffset ParseTimestamp(string value)
     {
         if (DateTimeOffset.TryParse(

OrderSupportTicket/ViewModels/OrderSupportTicketViewModel.cs

@@ -1,5 +1,6 @@
-using AllBase.Helper;
+using AllBase.Helper;
 using AllBase.Model.DBModel;
+using Microsoft.Win32;
 using OrderSupportTicket.Models;
 using OrderSupportTicket.Models.Api;
 using OrderSupportTicket.Services;
@@ -8,8 +9,10 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+using System.Windows;
 using System.Windows.Input;
 using System.Windows.Data;
 using System.Windows.Media;
@@ -17,6 +20,7 @@ using System.Windows.Threading;
 using WPFCommon.Models;
 using WxOrder.Framework.Commons;
 using WxOrder.Framework.Commons.Dialogs;
+using WxOrder.Framework.Controls;
 
 namespace OrderSupportTicket.ViewModels;
 
@@ -36,8 +40,10 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
     private readonly AsyncDelegateCommand<WorkOrderSummaryViewModel> _selectTicketCommand;
     private readonly AsyncDelegateCommand _createTicketCommand;
     private readonly AsyncDelegateCommand _sendMessageCommand;
+    private readonly AsyncDelegateCommand<PendingAttachmentViewModel> _removePendingAttachmentCommand;
     private readonly AsyncDelegateCommand _loadEarlierMessagesCommand;
     private readonly AsyncDelegateCommand _retryRealtimeCommand;
+	private readonly DelegateCommand<FrameworkElement> _addImagesCommand;
     private readonly HashSet<string> _seenEventIds =
         new HashSet<string>(StringComparer.Ordinal);
     private readonly Dictionary<string, int> _lastReadSequences =
@@ -57,6 +63,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
     private string _chatText;
     private string _draftText;
     private string _ticketSearchText = string.Empty;
+    private int _selectedTicketStatusIndex;
     private bool _isDraft;
     private bool _isBusy;
     private bool _isLoading;
@@ -88,6 +95,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
 
         Tickets = new ObservableCollection<WorkOrderSummaryViewModel>();
         Messages = new ObservableCollection<ChatMessageViewModel>();
+        PendingAttachments = new ObservableCollection<PendingAttachmentViewModel>();
         TicketView = CollectionViewSource.GetDefaultView(Tickets);
         TicketView.Filter = FilterTicket;
         _selectTicketCommand = new AsyncDelegateCommand<WorkOrderSummaryViewModel>(
@@ -99,12 +107,19 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         _sendMessageCommand = new AsyncDelegateCommand(
             SendMessageAsync,
             CanSendMessage);
+        _removePendingAttachmentCommand =
+            new AsyncDelegateCommand<PendingAttachmentViewModel>(
+                RemovePendingAttachmentAsync,
+                attachment => attachment != null && !IsBusy);
         _loadEarlierMessagesCommand = new AsyncDelegateCommand(
             LoadEarlierMessagesAsync,
             () => !IsBusy && SelectedTicket != null && HasMoreMessages);
         _retryRealtimeCommand = new AsyncDelegateCommand(
             RestartRealtimeAsync,
-            () => !IsBusy && _configured);
+            () => _configured);
+		_addImagesCommand = new DelegateCommand<FrameworkElement>(
+			AddImages,
+			_ => CanAddImage);
         _ticketService.NotificationReceived += OnNotificationReceived;
         _ticketService.StateChanged += OnRealtimeStateChanged;
         SseState = _ticketService.RealtimeState;
@@ -144,6 +159,40 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
     /// </summary>
     public ICommand SendMessageCommand => _sendMessageCommand;
 
+    /// <summary>
+    /// 移除待发送图片的命令。
+    /// </summary>
+    public ICommand RemovePendingAttachmentCommand => _removePendingAttachmentCommand;
+
+    /// <summary>
+    /// 当前留言待发送的本地图片，最多 3 张。
+    /// </summary>
+    public ObservableCollection<PendingAttachmentViewModel> PendingAttachments { get; }
+
+    /// <summary>
+    /// 是否已选择待发送图片。
+    /// </summary>
+    public bool HasPendingAttachments => PendingAttachments.Count > 0;
+
+    /// <summary>
+    /// 是否还可以继续选择图片。
+    /// </summary>
+    public bool CanAddImage =>
+        !IsBusy
+        && SelectedTicket != null
+        && PendingAttachments.Count < TicketApiService.MaxImageCount;
+
+	/// <summary>
+	/// 选择本地图片并加入当前留言的待发送列表。
+	/// </summary>
+	public ICommand AddImagesCommand => _addImagesCommand;
+
+    /// <summary>
+    /// 待发送图片数量展示文本。
+    /// </summary>
+    public string AttachmentCountText =>
+        PendingAttachments.Count + " / " + TicketApiService.MaxImageCount;
+
     /// <summary>
     /// 加载当前工单更早留言的命令。
     /// </summary>
@@ -154,10 +203,23 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
     /// </summary>
     public ICommand RetryRealtimeCommand => _retryRealtimeCommand;
 
-    /// <summary>
+	/// <summary>
-    /// 当前正在查看的历史工单。
+	/// 显示图片
-    /// </summary>
+	/// </summary>
-    public WorkOrderSummaryViewModel SelectedTicket
+	public ICommand ShowImageWindowCommand => new DelegateCommand<ChatAttachmentViewModel>(ShowImageWindow);
+	/// <summary>
+	/// 显示图片
+	/// </summary>
+	/// <param name="chatAttachment"></param>
+	private void ShowImageWindow(ChatAttachmentViewModel chatAttachment)
+	{
+		ImageViewerWindow.OpenDialog(chatAttachment.Image);	
+	}
+
+	/// <summary>
+	/// 当前正在查看的历史工单。
+	/// </summary>
+	public WorkOrderSummaryViewModel SelectedTicket
     {
         get => _selectedTicket;
         private set
@@ -167,6 +229,8 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
                 RaisePropertyChanged(nameof(IsChatVisible));
                 RaisePropertyChanged(nameof(IsEmptyVisible));
                 RaisePropertyChanged(nameof(ComposerPlaceholder));
+                RaisePropertyChanged(nameof(CanAddImage));
+				_addImagesCommand.RaiseCanExecuteChanged();
                 RaiseSendCanExecuteChanged();
                 RaiseLoadEarlierCanExecuteChanged();
             }
@@ -240,6 +304,19 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         }
     }
 
+    /// <summary>
+    /// 历史工单状态页签索引：0 全部、1 待客服回复、2 客服已回复、3 已完结。
+    /// </summary>
+    public int SelectedTicketStatusIndex
+    {
+        get => _selectedTicketStatusIndex;
+        set
+        {
+            if (SetValue(ref _selectedTicketStatusIndex, value))
+                TicketView?.Refresh();
+        }
+    }
+
     /// <summary>
     /// 当前是否处于新建工单草稿状态。
     /// </summary>
@@ -253,6 +330,8 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
                 RaisePropertyChanged(nameof(IsChatVisible));
                 RaisePropertyChanged(nameof(IsEmptyVisible));
                 RaisePropertyChanged(nameof(IsDraftVisible));
+                RaisePropertyChanged(nameof(CanAddImage));
+				_addImagesCommand.RaiseCanExecuteChanged();
                 RaiseCreateCanExecuteChanged();
             }
         }
@@ -269,11 +348,14 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
             if (SetValue(ref _isBusy, value))
             {
                 RaisePropertyChanged(nameof(IsNotBusy));
+                RaisePropertyChanged(nameof(CanAddImage));
                 RaiseSendCanExecuteChanged();
                 RaiseCreateCanExecuteChanged();
+                _removePendingAttachmentCommand.RaiseCanExecuteChanged();
                 RaiseLoadEarlierCanExecuteChanged();
                 _retryRealtimeCommand.RaiseCanExecuteChanged();
                 _selectTicketCommand.RaiseCanExecuteChanged();
+				_addImagesCommand.RaiseCanExecuteChanged();
                 if (!value && !string.IsNullOrWhiteSpace(_pendingOpenKey))
                     _ = SelectPendingTicketAsync();
             }
@@ -624,6 +706,146 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         CancelDraft();
     }
 
+    /// <summary>
+    /// 把文件选择器返回的本地图片加入待发送列表。
+    /// 每次留言最多 3 张，单张不超过 5 MiB。
+    /// </summary>
+    public void AddPendingImages(IEnumerable<string> filePaths)
+    {
+        if (filePaths == null || IsBusy || IsDraft || SelectedTicket == null)
+            return;
+
+        var errors = new List<string>();
+        var added = 0;
+        foreach (var filePath in filePaths)
+        {
+            if (PendingAttachments.Count >= TicketApiService.MaxImageCount)
+            {
+                errors.Add("每次留言最多上传 3 张图片。");
+                break;
+            }
+            if (string.IsNullOrWhiteSpace(filePath))
+                continue;
+
+            string fullPath;
+            try
+            {
+                fullPath = Path.GetFullPath(filePath);
+            }
+            catch
+            {
+                errors.Add("图片路径无效：" + filePath);
+                continue;
+            }
+
+            if (PendingAttachments.Any(item =>
+                string.Equals(item.FilePath, fullPath, StringComparison.OrdinalIgnoreCase)))
+            {
+                continue;
+            }
+            if (!PendingAttachmentViewModel.TryCreate(
+                fullPath,
+                out var attachment,
+                out var error))
+            {
+                errors.Add(error);
+                continue;
+            }
+
+            PendingAttachments.Add(attachment);
+            added++;
+        }
+
+        OnPendingAttachmentsChanged();
+        if (errors.Count > 0)
+        {
+            SetNotice(
+                string.Join(" ", errors.Distinct(StringComparer.Ordinal)),
+                true);
+        }
+        else if (added > 0)
+        {
+            ClearNotice();
+        }
+    }
+
+	/// <summary>
+	/// 将剪贴板中的位图加入待发送列表。
+	/// </summary>
+	public void AddPendingImage(System.Windows.Media.Imaging.BitmapSource bitmap)
+	{
+		if (IsBusy || IsDraft || SelectedTicket == null)
+			return;
+		if (PendingAttachments.Count >= TicketApiService.MaxImageCount)
+		{
+			SetNotice("每次留言最多上传 3 张图片。", true);
+			return;
+		}
+
+		if (!PendingAttachmentViewModel.TryCreateTemporary(
+			bitmap, out var attachment, out var error))
+		{
+			SetNotice(error, true);
+			return;
+		}
+
+		PendingAttachments.Add(attachment);
+		OnPendingAttachmentsChanged();
+		ClearNotice();
+	}
+
+	private void AddImages(FrameworkElement commandSource)
+	{
+		var dialog = new OpenFileDialog
+		{
+			Title = "选择图片",
+			Filter = "图片文件 (*.jpg;*.jpeg;*.png;*.webp)|*.jpg;*.jpeg;*.png;*.webp",
+			CheckFileExists = true,
+			Multiselect = true
+		};
+
+		var owner = commandSource == null ? null : Window.GetWindow(commandSource);
+		var selected = owner == null
+			? dialog.ShowDialog()
+			: dialog.ShowDialog(owner);
+		if (selected == true)
+			AddPendingImages(dialog.FileNames);
+	}
+
+    private Task RemovePendingAttachmentAsync(
+        PendingAttachmentViewModel attachment)
+    {
+        if (attachment == null)
+            return Task.CompletedTask;
+
+        if (PendingAttachments.Remove(attachment))
+			attachment.Dispose();
+        OnPendingAttachmentsChanged();
+        ClearNotice();
+        return Task.CompletedTask;
+    }
+
+    private void ClearPendingAttachments()
+    {
+		foreach (var attachment in PendingAttachments)
+			attachment.Dispose();
+        if (PendingAttachments.Count > 0)
+            PendingAttachments.Clear();
+        _pendingMessageFingerprint = null;
+        _pendingMessageId = null;
+        OnPendingAttachmentsChanged();
+    }
+
+    private void OnPendingAttachmentsChanged()
+    {
+        RaisePropertyChanged(nameof(HasPendingAttachments));
+        RaisePropertyChanged(nameof(CanAddImage));
+        RaisePropertyChanged(nameof(AttachmentCountText));
+        RaiseSendCanExecuteChanged();
+        _removePendingAttachmentCommand.RaiseCanExecuteChanged();
+		_addImagesCommand.RaiseCanExecuteChanged();
+    }
+
     public void Configure(TicketClientOptions options)
     {
         if (_disposed)
@@ -652,6 +874,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         DraftText = string.Empty;
         Tickets.Clear();
         Messages.Clear();
+        ClearPendingAttachments();
 
         if (_options.AppIds == null || _options.AppIds.Count == 0)
         {
@@ -826,6 +1049,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
             return;
         SaveWorkOrderList();
         _disposed = true;
+		ClearPendingAttachments();
         _ticketService.NotificationReceived -= OnNotificationReceived;
         _ticketService.StateChanged -= OnRealtimeStateChanged;
         _ticketService.Dispose();
@@ -842,6 +1066,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         IsDraft = true;
         SelectedTicket = null;
         Messages.Clear();
+        ClearPendingAttachments();
         HasMoreMessages = false;
         _nextBefore = null;
         DraftText = string.Empty;
@@ -861,6 +1086,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         IsDraft = false;
         SelectedOrder = null;
         DraftText = string.Empty;
+        ClearPendingAttachments();
         _pendingCreateFingerprint = null;
         _pendingCreateRequestId = null;
         ClearNotice();
@@ -904,6 +1130,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
 
         TicketSearchText = string.Empty;
         CancelDraft();
+        ClearPendingAttachments();
         ApplyKnownProductInfo(ticket);
         SelectedTicket = ticket;
         await LoadMessagesAsync(ticket, replace: true);
@@ -987,7 +1214,11 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
 
         var ticket = SelectedTicket;
         var text = (ChatText ?? string.Empty).Trim();
-        var fingerprint = ticket.Key + "|" + text;
+        var pendingAttachments = PendingAttachments.ToList();
+        var attachmentFingerprint = string.Join(
+            "|",
+            pendingAttachments.Select(item => item.Fingerprint));
+        var fingerprint = ticket.Key + "|" + text + "|" + attachmentFingerprint;
         if (!string.Equals(
             fingerprint,
             _pendingMessageFingerprint,
@@ -1001,32 +1232,88 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         ClearNotice();
         try
         {
+            var receipts = new List<MessageAttachmentReceipt>();
+            for (var index = 0; index < pendingAttachments.Count; index++)
+            {
+                var attachment = pendingAttachments[index];
+                if (!attachment.HasReceipt)
+                {
+                    SetNotice(
+                        "正在上传图片 "
+                        + (index + 1)
+                        + "/"
+                        + pendingAttachments.Count
+                        + "…",
+                        false);
+                    var uploadTicket =
+                        await _ticketService.CreateImageUploadTicketAsync(
+                            _options,
+                            ticket.AppId,
+                            ticket.WechatOrderId,
+                            attachment.FileName,
+                            attachment.MimeType,
+                            attachment.ByteSize);
+                    var receipt = await _ticketService.UploadImageAsync(
+                        uploadTicket.Upload,
+                        attachment.FilePath);
+                    attachment.SetReceipt(receipt);
+                }
+                receipts.Add(attachment.Receipt);
+            }
+
+            if (pendingAttachments.Count > 0)
+                SetNotice("正在发送留言…", false);
+
             var result = await _ticketService.SendMessageAsync(
                 _options,
                 ToSummaryDto(ticket),
-                text,
+                string.IsNullOrWhiteSpace(text) ? null : text,
-                _pendingMessageId);
+                _pendingMessageId,
+                receipts);
 
             if (result.Message != null)
                 AppendMessage(result.Message);
             ticket.ApplySendResult(result.Status, result.Version);
             MoveTicketToTop(ticket);
+            TicketView.Refresh();
             ChatText = string.Empty;
-            _pendingMessageFingerprint = null;
+            ClearPendingAttachments();
-            _pendingMessageId = null;
             SetNotice(
                 result.Reopened
                     ? "留言已发送，已完结工单已重新开启。"
-                    : "留言已发送。",
+                    : (pendingAttachments.Count > 0
+                        ? "图片已发送。"
+                        : "留言已发送。"),
                 false);
             await MarkReadBestEffortAsync(ticket);
             SaveWorkOrderList();
             MessageScrollVersion++;
         }
         catch (TicketApiException ex)
-            when (ex.StatusCode == 409)
+            when (ex.StatusCode == 410
+                || string.Equals(
+                    ex.ErrorCode,
+                    "client_api_image_expired",
+                    StringComparison.OrdinalIgnoreCase))
         {
-            SetNotice("工单状态或数据版本发生冲突，正在刷新最新内容。", true);
+            foreach (var attachment in PendingAttachments)
+                attachment.ClearReceipt();
+            _pendingMessageFingerprint = null;
+            _pendingMessageId = null;
+            SetNotice(
+                "图片上传凭证已过期，已重置上传状态，请重新点击发送。",
+                true);
+        }
+        catch (TicketApiException ex)
+            when (ex.StatusCode == 409
+                || string.Equals(
+                    ex.ErrorCode,
+                    "client_api_image_already_used",
+                    StringComparison.OrdinalIgnoreCase))
+        {
+            foreach (var attachment in PendingAttachments)
+                attachment.ClearReceipt();
+            SetNotice("工单状态或图片回执发生冲突，正在刷新最新内容。", true);
             _pendingMessageFingerprint = null;
             _pendingMessageId = null;
             await RefreshAllWorkOrdersAsync(
@@ -1256,6 +1543,7 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         ApplyKnownProductInfo(existing);
         SaveWorkOrderList();
         ReorderTickets();
+        TicketView.Refresh();
         if (SelectedTicket != null
             && string.Equals(SelectedTicket.Key, key, StringComparison.Ordinal)
             && !IsDraft)
@@ -1276,7 +1564,9 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
             var id = dto.MessageId;
             if (string.IsNullOrWhiteSpace(id))
                 id = "sequence:" + dto.SequenceNo;
-            if (!byId.ContainsKey(id))
+            if (byId.TryGetValue(id, out var existing))
+                existing.UpdateFrom(dto);
+            else
                 byId[id] = new ChatMessageViewModel(dto);
         }
 
@@ -1450,6 +1740,13 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
         if (!(item is WorkOrderSummaryViewModel ticket))
             return false;
 
+        var expectedStatus = GetStatusFilter(SelectedTicketStatusIndex);
+        if (expectedStatus != null
+            && !string.Equals(ticket.Status, expectedStatus, StringComparison.OrdinalIgnoreCase))
+        {
+            return false;
+        }
+
         var keyword = (TicketSearchText ?? string.Empty).Trim();
         if (keyword.Length == 0)
             return true;
@@ -1461,6 +1758,21 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
             || ContainsIgnoreCase(ticket.PreviewText, keyword);
     }
 
+    private static string GetStatusFilter(int selectedIndex)
+    {
+        switch (selectedIndex)
+        {
+            case 1:
+                return "waiting_reply";
+            case 2:
+                return "replied";
+            case 3:
+                return "completed";
+            default:
+                return null;
+        }
+    }
+
     private static bool ContainsIgnoreCase(string source, string keyword)
     {
         return !string.IsNullOrWhiteSpace(source)
@@ -1469,10 +1781,11 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
 
     private bool CanSendMessage()
     {
+        var text = (ChatText ?? string.Empty).Trim();
         return !IsBusy
             && SelectedTicket != null
-            && !string.IsNullOrWhiteSpace(ChatText)
+            && (!string.IsNullOrWhiteSpace(text) || PendingAttachments.Count > 0)
-            && ChatText.Trim().Length <= 4000;
+            && text.Length <= 4000;
     }
 
     private void RaiseSendCanExecuteChanged()
@@ -1768,9 +2081,10 @@ public sealed class OrderSupportTicketViewModel : BindableBaseEx, IDialogAware,
             {
                 400 => "请求格式错误。",
                 404 => "该 APPID 和订单下尚无工单。",
-                409 => "数据版本或幂等编号冲突。",
+                409 => "数据版本、幂等编号或图片回执冲突。",
+                410 => "图片上传凭证已过期。",
                 413 => "请求内容超过大小限制。",
-                422 => "参数或订单归属校验失败。",
+                422 => "参数、图片格式或订单归属校验失败。",
                 429 => "请求过于频繁，请稍后重试。",
                 503 => "工单服务暂未开启或数据库繁忙。",
                 _ => null

OrderSupportTicket/ViewModels/PendingAttachmentViewModel.cs

@@ -0,0 +1,319 @@
+using OrderSupportTicket.Models.Api;
+using OrderSupportTicket.Services;
+using System;
+using System.Globalization;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using WPFCommon.Models;
+
+namespace OrderSupportTicket.ViewModels;
+
+/// <summary>
+/// 发送留言前已选择、待上传的本地图片。
+/// </summary>
+public sealed class PendingAttachmentViewModel : BindableBaseEx, IDisposable
+{
+    private const long MaxImageBytes = TicketApiService.MaxImageBytes;
+    private ImageSource _preview;
+    private MessageAttachmentReceipt _receipt;
+    private string _receiptFingerprint;
+	private readonly bool _deleteFileOnDispose;
+	private bool _disposed;
+
+    private PendingAttachmentViewModel(
+        string filePath,
+        string fileName,
+        string mimeType,
+        long byteSize,
+        DateTime lastWriteTimeUtc,
+		bool deleteFileOnDispose = false)
+    {
+        FilePath = filePath;
+        FileName = fileName;
+        MimeType = mimeType;
+        ByteSize = byteSize;
+		_deleteFileOnDispose = deleteFileOnDispose;
+        Fingerprint = filePath.ToLowerInvariant()
+            + "|"
+            + byteSize.ToString(CultureInfo.InvariantCulture)
+            + "|"
+            + lastWriteTimeUtc.Ticks.ToString(CultureInfo.InvariantCulture);
+        Preview = LoadPreview(filePath);
+    }
+
+    /// <summary>
+    /// 本地绝对路径，仅用于读取并直传，不提交给业务接口。
+    /// </summary>
+    public string FilePath { get; }
+
+    /// <summary>
+    /// 原始文件名。
+    /// </summary>
+    public string FileName { get; }
+
+    /// <summary>
+    /// 图片 MIME 类型。
+    /// </summary>
+    public string MimeType { get; }
+
+    /// <summary>
+    /// 图片字节数。
+    /// </summary>
+    public long ByteSize { get; }
+
+    /// <summary>
+    /// 本地文件内容标识，用于判断是否需要重新上传。
+    /// </summary>
+    public string Fingerprint { get; }
+
+    /// <summary>
+    /// 本地缩略图；WebP 等当前 WPF 解码器不支持时为空。
+    /// </summary>
+    public ImageSource Preview
+    {
+        get => _preview;
+        private set
+        {
+            if (SetValue(ref _preview, value))
+                RaisePropertyChanged(nameof(HasPreview));
+        }
+    }
+
+    /// <summary>
+    /// 是否已加载本地缩略图。
+    /// </summary>
+    public bool HasPreview => Preview != null;
+
+    /// <summary>
+    /// 当前文件是否已有可复用的上传回执。
+    /// </summary>
+    public bool HasReceipt =>
+        Receipt != null
+        && string.Equals(_receiptFingerprint, Fingerprint, StringComparison.Ordinal);
+
+    /// <summary>
+    /// 上传回执；仅在本类内部更新。
+    /// </summary>
+    public MessageAttachmentReceipt Receipt
+    {
+        get => _receipt;
+        private set
+        {
+            if (SetValue(ref _receipt, value))
+                RaisePropertyChanged(nameof(HasReceipt));
+        }
+    }
+
+    /// <summary>
+    /// 图片大小展示文本。
+    /// </summary>
+    public string SizeText => FormatSize(ByteSize);
+
+    /// <summary>
+    /// 保存本次上传成功的回执，后续网络重试可直接复用。
+    /// </summary>
+    public void SetReceipt(MessageAttachmentReceipt receipt)
+    {
+        if (receipt == null)
+            throw new ArgumentNullException(nameof(receipt));
+        _receiptFingerprint = Fingerprint;
+        Receipt = receipt;
+    }
+
+    /// <summary>
+    /// 清除已失效的上传回执，下次发送时重新申请凭证。
+    /// </summary>
+    public void ClearReceipt()
+    {
+        _receiptFingerprint = null;
+        Receipt = null;
+    }
+
+    /// <summary>
+    /// 校验并创建本地待发送图片。
+    /// </summary>
+    public static bool TryCreate(
+        string filePath,
+        out PendingAttachmentViewModel attachment,
+        out string error)
+    {
+        attachment = null;
+        error = null;
+        if (string.IsNullOrWhiteSpace(filePath))
+        {
+            error = "图片路径为空。";
+            return false;
+        }
+
+        string fullPath;
+        FileInfo file;
+        try
+        {
+            fullPath = Path.GetFullPath(filePath);
+            file = new FileInfo(fullPath);
+            if (!file.Exists)
+            {
+                error = "图片文件不存在：" + Path.GetFileName(filePath);
+                return false;
+            }
+        }
+        catch (Exception ex)
+        {
+            error = "无法读取图片文件：" + ex.Message;
+            return false;
+        }
+
+        if (!TryGetMimeType(file.Extension, out var mimeType))
+        {
+            error = "仅支持 JPG、PNG、WebP 图片：" + file.Name;
+            return false;
+        }
+        if (file.Length < 1 || file.Length > MaxImageBytes)
+        {
+            error = "单张图片必须大于 0 且不超过 5 MiB：" + file.Name;
+            return false;
+        }
+
+        attachment = new PendingAttachmentViewModel(
+            fullPath,
+            file.Name,
+            mimeType,
+            file.Length,
+            file.LastWriteTimeUtc);
+        return true;
+    }
+
+	/// <summary>
+	/// 将剪贴板位图保存为临时 PNG，并创建可上传的附件。
+	/// </summary>
+	public static bool TryCreateTemporary(
+		BitmapSource bitmap,
+		out PendingAttachmentViewModel attachment,
+		out string error)
+	{
+		attachment = null;
+		error = null;
+		if (bitmap == null)
+		{
+			error = "剪贴板中没有可用的图片。";
+			return false;
+		}
+
+		string filePath = null;
+		try
+		{
+			filePath = Path.Combine(
+				Path.GetTempPath(),
+				"WxOrder-Clipboard-" + Guid.NewGuid().ToString("N") + ".png");
+			var encoder = new PngBitmapEncoder();
+			encoder.Frames.Add(BitmapFrame.Create(bitmap));
+			using (var stream = File.Create(filePath))
+				encoder.Save(stream);
+
+			var file = new FileInfo(filePath);
+			if (file.Length < 1 || file.Length > MaxImageBytes)
+			{
+				error = "粘贴的图片必须大于 0 且不超过 5 MiB。";
+				TryDelete(filePath);
+				return false;
+			}
+
+			attachment = new PendingAttachmentViewModel(
+				file.FullName,
+				"粘贴图片.png",
+				"image/png",
+				file.Length,
+				file.LastWriteTimeUtc,
+				deleteFileOnDispose: true);
+			return true;
+		}
+		catch (Exception ex)
+		{
+			TryDelete(filePath);
+			error = "无法读取剪贴板图片：" + ex.Message;
+			return false;
+		}
+	}
+
+	public void Dispose()
+	{
+		if (_disposed)
+			return;
+
+		_disposed = true;
+		if (_deleteFileOnDispose)
+			TryDelete(FilePath);
+	}
+
+    /// <summary>
+    /// 根据扩展名映射文档要求的精确 MIME 类型。
+    /// </summary>
+    public static bool TryGetMimeType(string extension, out string mimeType)
+    {
+        switch ((extension ?? string.Empty).Trim().ToLowerInvariant())
+        {
+            case ".jpg":
+            case ".jpeg":
+                mimeType = "image/jpeg";
+                return true;
+            case ".png":
+                mimeType = "image/png";
+                return true;
+            case ".webp":
+                mimeType = "image/webp";
+                return true;
+            default:
+                mimeType = null;
+                return false;
+        }
+    }
+
+    private static ImageSource LoadPreview(string filePath)
+    {
+        try
+        {
+            var image = new BitmapImage();
+            using (var stream = File.OpenRead(filePath))
+            {
+                image.BeginInit();
+                image.CacheOption = BitmapCacheOption.OnLoad;
+                image.CreateOptions = BitmapCreateOptions.IgnoreColorProfile;
+                image.DecodePixelWidth = 160;
+                image.StreamSource = stream;
+                image.EndInit();
+            }
+            image.Freeze();
+            return image;
+        }
+        catch
+        {
+            return null;
+        }
+    }
+
+	private static void TryDelete(string filePath)
+	{
+		if (string.IsNullOrWhiteSpace(filePath))
+			return;
+
+		try
+		{
+			if (File.Exists(filePath))
+				File.Delete(filePath);
+		}
+		catch
+		{
+			// 临时文件清理失败不影响留言发送流程。
+		}
+	}
+
+    private static string FormatSize(long byteSize)
+    {
+        if (byteSize >= 1024 * 1024)
+            return (byteSize / 1024d / 1024d).ToString("0.0", CultureInfo.CurrentCulture) + " MB";
+        if (byteSize >= 1024)
+            return (byteSize / 1024d).ToString("0.0", CultureInfo.CurrentCulture) + " KB";
+        return byteSize.ToString(CultureInfo.CurrentCulture) + " B";
+    }
+}

OrderSupportTicket/Views/OrderSupportTicketStyles.xaml

@@ -0,0 +1,290 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+	<BooleanToVisibilityConverter x:Key="BoolToVisibility" />
+	<SolidColorBrush x:Key="BrandBrush" Color="#98638F" />
+	<SolidColorBrush x:Key="BrandSoftBrush" Color="#F3EAF2" />
+	<SolidColorBrush x:Key="LineBrush" Color="#DDE2E8" />
+	<SolidColorBrush x:Key="TextBrush" Color="#1F2933" />
+	<SolidColorBrush x:Key="SubTextBrush" Color="#6B7785" />
+	<SolidColorBrush x:Key="PriceBrush" Color="#C2410C" />
+	<SolidColorBrush x:Key="BackgroundBrush" Color="#EEF1F4" />
+	<SolidColorBrush x:Key="PanelBrush" Color="#FFFFFF" />
+	<SolidColorBrush x:Key="OtherBubbleBrush" Color="#F1F3F6" />
+	<SolidColorBrush x:Key="WaitingBrush" Color="#B45309" />
+	<SolidColorBrush x:Key="WaitingBackgroundBrush" Color="#FDF0DA" />
+	<SolidColorBrush x:Key="RepliedBrush" Color="#1D5FA8" />
+	<SolidColorBrush x:Key="RepliedBackgroundBrush" Color="#E2EDF9" />
+	<SolidColorBrush x:Key="DoneBrush" Color="#5B6673" />
+	<SolidColorBrush x:Key="DoneBackgroundBrush" Color="#E9ECF0" />
+
+	<Style x:Key="CopyableOrderIdStyle" TargetType="TextBlock">
+		<Setter Property="Background" Value="Transparent" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="FontWeight" Value="SemiBold" />
+		<Setter Property="Foreground" Value="{StaticResource TextBrush}" />
+		<Setter Property="ToolTip" Value="点击复制订单号" />
+		<Style.Triggers>
+			<Trigger Property="IsMouseOver" Value="True">
+				<Setter Property="Foreground" Value="{StaticResource BrandBrush}" />
+				<Setter Property="TextDecorations" Value="Underline" />
+			</Trigger>
+		</Style.Triggers>
+	</Style>
+	<Style x:Key="PrimaryButtonStyle" TargetType="Button">
+		<Setter Property="Foreground" Value="White" />
+		<Setter Property="Background" Value="{StaticResource BrandBrush}" />
+		<Setter Property="BorderBrush" Value="{StaticResource BrandBrush}" />
+		<Setter Property="BorderThickness" Value="1" />
+		<Setter Property="Padding" Value="14,6" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="Button">
+					<Border
+						x:Name="Root"
+						Background="{TemplateBinding Background}"
+						BorderBrush="{TemplateBinding BorderBrush}"
+						BorderThickness="{TemplateBinding BorderThickness}"
+						CornerRadius="4">
+						<ContentPresenter
+							Margin="{TemplateBinding Padding}"
+							HorizontalAlignment="Center"
+							VerticalAlignment="Center" />
+					</Border>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter TargetName="Root" Property="Opacity" Value="0.88" />
+						</Trigger>
+						<Trigger Property="IsPressed" Value="True">
+							<Setter TargetName="Root" Property="Opacity" Value="0.72" />
+						</Trigger>
+						<Trigger Property="IsEnabled" Value="False">
+							<Setter TargetName="Root" Property="Opacity" Value="0.45" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="GhostButtonStyle" TargetType="Button">
+		<Setter Property="Foreground" Value="{StaticResource BrandBrush}" />
+		<Setter Property="Background" Value="Transparent" />
+		<Setter Property="BorderBrush" Value="{StaticResource BrandBrush}" />
+		<Setter Property="BorderThickness" Value="1" />
+		<Setter Property="Padding" Value="12,5" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="Button">
+					<Border
+						x:Name="Root"
+						Background="{TemplateBinding Background}"
+						BorderBrush="{TemplateBinding BorderBrush}"
+						BorderThickness="{TemplateBinding BorderThickness}"
+						CornerRadius="4">
+						<ContentPresenter
+							Margin="{TemplateBinding Padding}"
+							HorizontalAlignment="Center"
+							VerticalAlignment="Center" />
+					</Border>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter TargetName="Root" Property="Background" Value="{StaticResource BrandSoftBrush}" />
+						</Trigger>
+						<Trigger Property="IsEnabled" Value="False">
+							<Setter TargetName="Root" Property="Opacity" Value="0.42" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="StatusTagStyle" TargetType="Border">
+		<Setter Property="Background" Value="{StaticResource DoneBackgroundBrush}" />
+		<Setter Property="CornerRadius" Value="10" />
+		<Setter Property="Padding" Value="8,2" />
+		<Style.Triggers>
+			<DataTrigger Binding="{Binding Status}" Value="waiting_reply">
+				<Setter Property="Background" Value="{StaticResource WaitingBackgroundBrush}" />
+			</DataTrigger>
+			<DataTrigger Binding="{Binding Status}" Value="replied">
+				<Setter Property="Background" Value="{StaticResource RepliedBackgroundBrush}" />
+			</DataTrigger>
+		</Style.Triggers>
+	</Style>
+	<Style x:Key="StatusTextStyle" TargetType="TextBlock">
+		<Setter Property="Foreground" Value="{StaticResource DoneBrush}" />
+		<Setter Property="FontSize" Value="12" />
+		<Style.Triggers>
+			<DataTrigger Binding="{Binding Status}" Value="waiting_reply">
+				<Setter Property="Foreground" Value="{StaticResource WaitingBrush}" />
+			</DataTrigger>
+			<DataTrigger Binding="{Binding Status}" Value="replied">
+				<Setter Property="Foreground" Value="{StaticResource RepliedBrush}" />
+			</DataTrigger>
+		</Style.Triggers>
+	</Style>
+	<Style x:Key="TicketListItemStyle" TargetType="ListBoxItem">
+		<Setter Property="Padding" Value="0" />
+		<Setter Property="Margin" Value="0" />
+		<Setter Property="HorizontalContentAlignment" Value="Stretch" />
+		<Setter Property="Background" Value="Transparent" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="ListBoxItem">
+					<Border
+						x:Name="Root"
+						Background="{TemplateBinding Background}"
+						BorderBrush="Transparent"
+						BorderThickness="3,0,0,0">
+						<ContentPresenter />
+					</Border>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter TargetName="Root" Property="Background" Value="{StaticResource BackgroundBrush}" />
+						</Trigger>
+						<Trigger Property="IsSelected" Value="True">
+							<Setter TargetName="Root" Property="Background" Value="{StaticResource BrandSoftBrush}" />
+							<Setter TargetName="Root" Property="BorderBrush" Value="{StaticResource BrandBrush}" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="ChatListItemStyle" TargetType="ListBoxItem">
+		<Setter Property="Padding" Value="0" />
+		<Setter Property="Margin" Value="0" />
+		<Setter Property="HorizontalContentAlignment" Value="Stretch" />
+		<Setter Property="Background" Value="Transparent" />
+		<Setter Property="Focusable" Value="False" />
+		<Setter Property="IsTabStop" Value="False" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="ListBoxItem">
+					<ContentPresenter />
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="AttachmentRemoveButtonStyle" TargetType="Button">
+		<Setter Property="Width" Value="20" />
+		<Setter Property="Height" Value="20" />
+		<Setter Property="Padding" Value="0" />
+		<Setter Property="Foreground" Value="White" />
+		<Setter Property="Background" Value="#CC1F2933" />
+		<Setter Property="BorderThickness" Value="0" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="Button">
+					<Border
+						x:Name="Root"
+						Background="{TemplateBinding Background}"
+						CornerRadius="10">
+						<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center" />
+					</Border>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter TargetName="Root" Property="Background" Value="#E61F2933" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="StatusTabItemStyle" TargetType="TabItem">
+		<Setter Property="Padding" Value="6,6" />
+		<Setter Property="FontSize" Value="12" />
+		<Setter Property="Foreground" Value="{StaticResource SubTextBrush}" />
+		<Setter Property="Cursor" Value="Hand" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="TabItem">
+					<Border
+						x:Name="Root"
+						Padding="{TemplateBinding Padding}"
+						Background="Transparent"
+						BorderBrush="{StaticResource BrandBrush}"
+						BorderThickness="0,0,0,2">
+						<ContentPresenter
+							HorizontalAlignment="Center"
+							VerticalAlignment="Center"
+							ContentSource="Header"
+							RecognizesAccessKey="True" />
+					</Border>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsSelected" Value="True">
+							<Setter Property="Foreground" Value="{StaticResource BrandBrush}" />
+							<Setter Property="FontWeight" Value="SemiBold" />
+						</Trigger>
+						<Trigger Property="IsSelected" Value="False">
+							<Setter TargetName="Root" Property="BorderBrush" Value="Transparent" />
+						</Trigger>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter TargetName="Root" Property="Background" Value="{StaticResource BrandSoftBrush}" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+	<Style x:Key="ChatScrollBarStyle" TargetType="ScrollBar">
+		<Setter Property="Width" Value="8" />
+		<Setter Property="MinWidth" Value="8" />
+		<Setter Property="MaxWidth" Value="8" />
+		<Setter Property="Margin" Value="0,4,2,4" />
+		<Setter Property="Opacity" Value="0.65" />
+		<Setter Property="Template">
+			<Setter.Value>
+				<ControlTemplate TargetType="ScrollBar">
+					<Grid Background="Transparent">
+						<Track
+							x:Name="PART_Track"
+							Focusable="False"
+							IsDirectionReversed="True">
+							<Track.DecreaseRepeatButton>
+								<RepeatButton
+									Command="ScrollBar.PageUpCommand"
+									Focusable="False"
+									Opacity="0" />
+							</Track.DecreaseRepeatButton>
+							<Track.Thumb>
+								<Thumb MinHeight="32">
+									<Thumb.Template>
+										<ControlTemplate TargetType="Thumb">
+											<Border
+												x:Name="ThumbBorder"
+												Margin="1,0"
+												Background="#AAB4C0"
+												CornerRadius="3" />
+											<ControlTemplate.Triggers>
+												<Trigger Property="IsMouseOver" Value="True">
+													<Setter TargetName="ThumbBorder" Property="Background" Value="{StaticResource BrandBrush}" />
+												</Trigger>
+												<Trigger Property="IsDragging" Value="True">
+													<Setter TargetName="ThumbBorder" Property="Background" Value="#7F4F77" />
+												</Trigger>
+											</ControlTemplate.Triggers>
+										</ControlTemplate>
+									</Thumb.Template>
+								</Thumb>
+							</Track.Thumb>
+							<Track.IncreaseRepeatButton>
+								<RepeatButton
+									Command="ScrollBar.PageDownCommand"
+									Focusable="False"
+									Opacity="0" />
+							</Track.IncreaseRepeatButton>
+						</Track>
+					</Grid>
+					<ControlTemplate.Triggers>
+						<Trigger Property="IsMouseOver" Value="True">
+							<Setter Property="Opacity" Value="1" />
+						</Trigger>
+					</ControlTemplate.Triggers>
+				</ControlTemplate>
+			</Setter.Value>
+		</Setter>
+	</Style>
+</ResourceDictionary>

OrderSupportTicket/Views/OrderSupportTicketView.xaml.cs

@@ -1,234 +1,105 @@
-using _29WxOrderWpf.ToolCtrls;
 using OrderSupportTicket.Models;
 using OrderSupportTicket.Services;
 using OrderSupportTicket.ViewModels;
-using System.Runtime.InteropServices;
+using System;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Input;
 
 namespace OrderSupportTicket.Views;
 
 /// <summary>
-/// 工单对话页面。页面生命周期只负责激活/停用 ViewModel，业务交互均在 ViewModel 中。
+/// 工单页面外壳，只负责组合子视图以及管理页面生命周期。
 /// </summary>
 public partial class OrderSupportTicketView : UserControl
 {
-    private bool _active;
+	private bool _active;
-    private Window _hostWindow;
+	private Window _hostWindow;
 
-    public OrderSupportTicketView()
+	public OrderSupportTicketView() : this(new TicketService(), CreateDefaultOptions()) { }
-        : this(new TicketService(), CreateDefaultOptions())
-    {
-    }
 
-    /// <summary>
+	public OrderSupportTicketView(TicketService ticketService, TicketClientOptions options = null)
-    /// 使用工单业务服务创建工单页。
+	{
-    /// </summary>
+		InitializeComponent();
-    public OrderSupportTicketView(
+		ViewModel = new OrderSupportTicketViewModel(ticketService, options ?? CreateDefaultOptions());
-        TicketService ticketService,
+		DataContext = ViewModel;
-        TicketClientOptions options = null)
+		Loaded += OnLoaded;
-    {
+		Unloaded += OnUnloaded;
-        InitializeComponent();
-        ViewModel = new OrderSupportTicketViewModel(
-            ticketService,
-            options ?? CreateDefaultOptions());
-        DataContext = ViewModel;
-        Loaded += OnLoaded;
-        Unloaded += OnUnloaded;
-    }
-
-    /// <summary>
-    /// 当前联调使用的默认参数。正式接入时可由宿主替换为登录账号和店铺 APPID。
-    /// </summary>
-    public static TicketClientOptions CreateDefaultOptions(string fallbackUserName = null)
-    {
-        var configured = TicketClientOptions.FromApplicationSettings();
-        var userName = !string.IsNullOrWhiteSpace(configured.UserName)
-            ? configured.UserName
-            : (!string.IsNullOrWhiteSpace(fallbackUserName)
-                ? fallbackUserName.Trim()
-                : "18990991234");
-        var appIds = configured.AppIds != null && configured.AppIds.Count > 0
-            ? configured.AppIds
-            : new List<string>
-            {
-                "wx316b1291351558aa",
-                "wx7999743c3d64c05c"
-            };
-
-        return new TicketClientOptions
-        {
-            UserName = userName,
-            AppIds = appIds,
-            Orders =
-            [
-                new TicketOrderOption
-                {
-                    Amount = 109m,
-                    AppId = "wx316b1291351558aa",
-                    GoodsName = "梵客隆收腹内裤女新款高腰无痕磨毛暖融收小肚子提臀塑身平角裤",
-                    OrderId = "9000000000000000001",
-                    OrderedAt = new DateTime(2020, 1, 1),
-                },
-                new TicketOrderOption
-                {
-                    Amount = 109m,
-                    AppId = "wx7999743c3d64c05c",
-                    GoodsName = "洁柔抽纸粉Face家用实惠装批发纸巾大包面纸餐巾纸抽整箱可湿水纸",
-                    OrderId = "9000000000000000002",
-                    OrderedAt = new DateTime(2020, 1, 1),
-                }
-            ]
-        };
-    }
-
-    /// <summary>
-    /// 当前页面对应的工单 ViewModel。
-    /// </summary>
-    public OrderSupportTicketViewModel ViewModel { get; }
-
-    /// <summary>
-    /// 宿主可在页面加载前注入账号、APPID 与本地订单数据。
-    /// </summary>
-    public void Configure(TicketClientOptions options)
-    {
-        ViewModel.Configure(options);
-    }
-
-    /// <summary>
-    /// 从订单页直接打开新工单草稿。
-    /// </summary>
-    public void OpenNewTicket(TicketOrderOption order)
-    {
-        ViewModel.OpenNewTicket(order);
-    }
-
-    /// <summary>
-    /// 打开并定位到指定工单。
-    /// </summary>
-    public void OpenTicket(string appId, string wechatOrderId)
-    {
-        ViewModel.OpenTicket(appId, wechatOrderId);
-    }
-
-    private void TicketSearchBox_GotFocus(object sender, RoutedEventArgs e)
-    {
-        ViewModel.CancelNewTicketDraft();
-    }
-
-    /// <summary>
-    /// 点击订单号复制到剪贴板，并使用宿主窗口的 Toast 提示结果。
-    /// </summary>
-    private void CopyOrderId_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
-    {
-        if (sender is not FrameworkElement element)
-            return;
-
-        var orderId = element.Tag as string;
-        if (string.IsNullOrWhiteSpace(orderId)
-            && element.DataContext is WorkOrderSummaryViewModel ticket)
-        {
-            orderId = ticket.WechatOrderId;
-        }
-        if (string.IsNullOrWhiteSpace(orderId))
-            return;
-
-        var window = Window.GetWindow(this) ?? _hostWindow;
-        if (window == null)
-            return;
-
-		if (ClipboardHelper.TrySetText(orderId))
-		{
-			ToastHelper.Show(window, "订单号已复制");
-		}
-		else
-		{
-			ToastHelper.Show(window, "复制失败");
-		}
 	}
 
-    private async void OnLoaded(object sender, System.Windows.RoutedEventArgs e)
+	public static TicketClientOptions CreateDefaultOptions(string fallbackUserName = null)
-    {
+	{
-        if (_active)
+		var configured = TicketClientOptions.FromApplicationSettings();
-            return;
+		var userName = !string.IsNullOrWhiteSpace(configured.UserName)
-        _active = true;
+			? configured.UserName
-        AttachHostWindow(Window.GetWindow(this));
+			: (!string.IsNullOrWhiteSpace(fallbackUserName) ? fallbackUserName.Trim() : "18990991234");
-        UpdateWindowActiveState();
+		var appIds = configured.AppIds != null && configured.AppIds.Count > 0
-        await ViewModel.InitializeAsync();
+			? configured.AppIds
-    }
+			: new List<string> { "wx316b1291351558aa", "wx7999743c3d64c05c" };
 
-    private async void OnUnloaded(object sender, System.Windows.RoutedEventArgs e)
+		return new TicketClientOptions
-    {
+		{
-        if (!_active)
+			UserName = userName,
-            return;
+			AppIds = appIds,
-        _active = false;
+			Orders =
-        ViewModel.IsWindowActive = false;
+			[
-        DetachHostWindow();
+				new TicketOrderOption { Amount = 109m, AppId = "wx316b1291351558aa", GoodsName = "梵客隆收腹内裤女新款高腰无痕磨毛暖融收小肚子提臀塑身平角裤", OrderId = "9000000000000000001", OrderedAt = new DateTime(2020, 1, 1) },
-        await ViewModel.DeactivateAsync();
+				new TicketOrderOption { Amount = 109m, AppId = "wx7999743c3d64c05c", GoodsName = "洁柔抽纸粉Face家用实惠装批发纸巾大包面纸餐巾纸抽整箱可湿水纸", OrderId = "9000000000000000002", OrderedAt = new DateTime(2020, 1, 1) }
-    }
+			]
+		};
+	}
 
-    private void AttachHostWindow(Window window)
+	public OrderSupportTicketViewModel ViewModel { get; }
-    {
+	public void Configure(TicketClientOptions options) => ViewModel.Configure(options);
-        DetachHostWindow();
+	public void OpenNewTicket(TicketOrderOption order) => ViewModel.OpenNewTicket(order);
-        _hostWindow = window;
+	public void OpenTicket(string appId, string wechatOrderId) => ViewModel.OpenTicket(appId, wechatOrderId);
-        if (_hostWindow == null)
-            return;
 
-        _hostWindow.Activated += OnHostWindowActivated;
+	private async void OnLoaded(object sender, RoutedEventArgs e)
-        _hostWindow.Deactivated += OnHostWindowDeactivated;
+	{
-        _hostWindow.IsVisibleChanged += OnHostWindowIsVisibleChanged;
+		if (_active) return;
-        _hostWindow.StateChanged += OnHostWindowStateChanged;
+		_active = true;
-        _hostWindow.Closed += OnHostWindowClosed;
+		AttachHostWindow(Window.GetWindow(this));
-    }
+		UpdateWindowActiveState();
+		await ViewModel.InitializeAsync();
+	}
 
-    private void DetachHostWindow()
+	private async void OnUnloaded(object sender, RoutedEventArgs e)
-    {
+	{
-        if (_hostWindow == null)
+		if (!_active) return;
-            return;
+		_active = false;
+		ViewModel.IsWindowActive = false;
+		DetachHostWindow();
+		await ViewModel.DeactivateAsync();
+	}
 
-        _hostWindow.Activated -= OnHostWindowActivated;
+	private void AttachHostWindow(Window window)
-        _hostWindow.Deactivated -= OnHostWindowDeactivated;
+	{
-        _hostWindow.IsVisibleChanged -= OnHostWindowIsVisibleChanged;
+		DetachHostWindow();
-        _hostWindow.StateChanged -= OnHostWindowStateChanged;
+		_hostWindow = window;
-        _hostWindow.Closed -= OnHostWindowClosed;
+		if (_hostWindow == null) return;
-        _hostWindow = null;
+		_hostWindow.Activated += OnHostWindowStateChanged;
-    }
+		_hostWindow.Deactivated += OnHostWindowStateChanged;
+		_hostWindow.IsVisibleChanged += OnHostWindowIsVisibleChanged;
+		_hostWindow.StateChanged += OnHostWindowStateChanged;
+		_hostWindow.Closed += OnHostWindowClosed;
+	}
 
-    private void UpdateWindowActiveState()
+	private void DetachHostWindow()
-    {
+	{
-        var window = _hostWindow;
+		if (_hostWindow == null) return;
-        ViewModel.IsWindowActive = window != null
+		_hostWindow.Activated -= OnHostWindowStateChanged;
-            && window.IsVisible
+		_hostWindow.Deactivated -= OnHostWindowStateChanged;
-            && window.IsActive
+		_hostWindow.IsVisibleChanged -= OnHostWindowIsVisibleChanged;
-            && window.WindowState != WindowState.Minimized;
+		_hostWindow.StateChanged -= OnHostWindowStateChanged;
-    }
+		_hostWindow.Closed -= OnHostWindowClosed;
+		_hostWindow = null;
+	}
 
-    private void OnHostWindowActivated(object sender, EventArgs e)
+	private void UpdateWindowActiveState()
-    {
+	{
-        UpdateWindowActiveState();
+		ViewModel.IsWindowActive = _hostWindow != null && _hostWindow.IsVisible && _hostWindow.IsActive && _hostWindow.WindowState != WindowState.Minimized;
-    }
+	}
 
-    private void OnHostWindowDeactivated(object sender, EventArgs e)
+	private void OnHostWindowStateChanged(object sender, EventArgs e) => UpdateWindowActiveState();
-    {
+	private void OnHostWindowIsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e) => UpdateWindowActiveState();
-        UpdateWindowActiveState();
+	private void OnHostWindowClosed(object sender, EventArgs e) { ViewModel.IsWindowActive = false; DetachHostWindow(); }
-    }
-
-    private void OnHostWindowIsVisibleChanged(
-        object sender,
-        DependencyPropertyChangedEventArgs e)
-    {
-        UpdateWindowActiveState();
-    }
-
-    private void OnHostWindowStateChanged(object sender, EventArgs e)
-    {
-        UpdateWindowActiveState();
-    }
-
-    private void OnHostWindowClosed(object sender, EventArgs e)
-    {
-        ViewModel.IsWindowActive = false;
-        DetachHostWindow();
-    }
 }

OrderSupportTicket/Views/TicketComposerView.xaml

@@ -0,0 +1,197 @@
+<UserControl
+	x:Class="OrderSupportTicket.Views.TicketComposerView"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:behaviors="clr-namespace:OrderSupportTicket.Behaviors"
+	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	xmlns:vm="clr-namespace:OrderSupportTicket.ViewModels"
+	xmlns:wpf="WPFCommon">
+	<UserControl.Resources>
+		<ResourceDictionary>
+			<ResourceDictionary.MergedDictionaries>
+				<ResourceDictionary Source="OrderSupportTicketStyles.xaml" />
+			</ResourceDictionary.MergedDictionaries>
+			<wpf:CommandProxy x:Key="AddImagesCommand" Command="{Binding AddImagesCommand}" />
+		</ResourceDictionary>
+	</UserControl.Resources>
+	<Grid>
+		<Border
+			Padding="18,12"
+			BorderBrush="#DDE2E8"
+			BorderThickness="0,1,0,0"
+			Visibility="{Binding IsChatVisible, Converter={StaticResource BoolToVisibility}}">
+			<Border
+				Padding="12,10"
+				Background="White"
+				BorderBrush="#DDE2E8"
+				BorderThickness="1"
+				CornerRadius="8">
+				<Grid>
+					<Grid.RowDefinitions>
+						<RowDefinition Height="Auto" />
+						<RowDefinition Height="Auto" />
+						<RowDefinition Height="Auto" />
+					</Grid.RowDefinitions>
+					<ItemsControl
+						Margin="0,0,0,8"
+						ItemsSource="{Binding PendingAttachments}"
+						Visibility="{Binding HasPendingAttachments, Converter={StaticResource BoolToVisibility}}">
+						<ItemsControl.ItemsPanel>
+							<ItemsPanelTemplate>
+								<WrapPanel />
+							</ItemsPanelTemplate>
+						</ItemsControl.ItemsPanel>
+						<ItemsControl.ItemTemplate>
+							<DataTemplate DataType="{x:Type vm:PendingAttachmentViewModel}">
+								<Grid
+									Width="76"
+									Height="76"
+									Margin="0,0,8,4"
+									ToolTip="{Binding FileName}">
+									<Border
+										Background="#F1F3F6"
+										BorderBrush="#DDE2E8"
+										BorderThickness="1"
+										ClipToBounds="True"
+										CornerRadius="5">
+										<Grid>
+											<Image Source="{Binding Preview}" Stretch="UniformToFill" />
+										</Grid>
+									</Border>
+									<Button
+										Margin="0,-6,-6,0"
+										HorizontalAlignment="Right"
+										VerticalAlignment="Top"
+										Command="{Binding DataContext.RemovePendingAttachmentCommand, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
+										CommandParameter="{Binding}"
+										Content="×"
+										Style="{StaticResource AttachmentRemoveButtonStyle}" />
+								</Grid>
+							</DataTemplate>
+						</ItemsControl.ItemTemplate>
+					</ItemsControl>
+					<TextBox
+						Grid.Row="1"
+						MinHeight="64"
+						MaxHeight="110"
+						AcceptsReturn="True"
+						Background="Transparent"
+						BorderThickness="0"
+						MaxLength="4000"
+						PreviewKeyDown="ChatTextBox_PreviewKeyDown"
+						Text="{Binding ChatText, UpdateSourceTrigger=PropertyChanged}"
+						TextWrapping="Wrap"
+						ToolTip="{Binding ComposerPlaceholder}"
+						VerticalScrollBarVisibility="Auto">
+						<TextBox.InputBindings>
+							<KeyBinding
+								Key="Enter"
+								Command="{Binding SendMessageCommand}"
+								Modifiers="Control" />
+						</TextBox.InputBindings>
+					</TextBox>
+					<Grid Grid.Row="2" Margin="0,8,0,0">
+						<Grid.ColumnDefinitions>
+							<ColumnDefinition Width="*" />
+							<ColumnDefinition Width="Auto" />
+						</Grid.ColumnDefinitions>
+						<StackPanel Orientation="Horizontal">
+							<Button
+								Height="28"
+								Padding="9,0"
+								Command="{Binding Source={StaticResource AddImagesCommand}}"
+								CommandParameter="{Binding RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}"
+								Content="图片"
+								Style="{StaticResource GhostButtonStyle}" />
+							<TextBlock
+								Margin="8,0,0,0"
+								VerticalAlignment="Center"
+								FontSize="12"
+								Foreground="#6B7785"
+								Text="{Binding AttachmentCountText}" />
+							<TextBlock
+								Margin="12,0,0,0"
+								VerticalAlignment="Center"
+								FontSize="12"
+								Foreground="#6B7785"
+								Text="Ctrl+Enter 发送" />
+						</StackPanel>
+						<StackPanel Grid.Column="1" Orientation="Horizontal">
+							<TextBlock
+								Margin="0,0,10,0"
+								VerticalAlignment="Center"
+								FontSize="12"
+								Foreground="#6B7785"
+								Text="{Binding ChatCharacterCountText}" />
+							<Button
+								Width="72"
+								Height="32"
+								Command="{Binding SendMessageCommand}"
+								Content="发送"
+								Style="{StaticResource PrimaryButtonStyle}" />
+						</StackPanel>
+					</Grid>
+				</Grid>
+			</Border>
+		</Border>
+		<Border
+			Padding="18,12"
+			BorderBrush="#DDE2E8"
+			BorderThickness="0,1,0,0"
+			Visibility="{Binding IsDraftVisible, Converter={StaticResource BoolToVisibility}}">
+			<Border
+				Padding="12,10"
+				Background="White"
+				BorderBrush="#DDE2E8"
+				BorderThickness="1"
+				CornerRadius="8">
+				<Grid>
+					<Grid.RowDefinitions>
+						<RowDefinition Height="Auto" />
+						<RowDefinition Height="Auto" />
+					</Grid.RowDefinitions>
+					<TextBox
+						MinHeight="64"
+						MaxHeight="110"
+						AcceptsReturn="True"
+						Background="Transparent"
+						BorderThickness="0"
+						MaxLength="2000"
+						Text="{Binding DraftText, UpdateSourceTrigger=PropertyChanged}"
+						TextWrapping="Wrap"
+						ToolTip="请描述您遇到的问题"
+						VerticalScrollBarVisibility="Auto">
+						<TextBox.InputBindings>
+							<KeyBinding
+								Key="Enter"
+								Command="{Binding CreateTicketCommand}"
+								Modifiers="Control" />
+						</TextBox.InputBindings>
+					</TextBox>
+					<Grid Grid.Row="1" Margin="0,8,0,0">
+						<TextBlock
+							VerticalAlignment="Center"
+							FontSize="12"
+							Foreground="#6B7785"
+							Text="Ctrl+Enter 提交" />
+						<TextBlock
+							Margin="0,0,96,0"
+							HorizontalAlignment="Right"
+							VerticalAlignment="Center"
+							FontSize="12"
+							Foreground="#6B7785"
+							Text="{Binding DraftCharacterCountText}" />
+						<Button
+							Width="86"
+							Height="32"
+							HorizontalAlignment="Right"
+							Command="{Binding CreateTicketCommand}"
+							Content="提交工单"
+							Style="{StaticResource PrimaryButtonStyle}" />
+					</Grid>
+				</Grid>
+			</Border>
+		</Border>
+	</Grid>
+</UserControl>

OrderSupportTicket/Views/TicketComposerView.xaml.cs

@@ -0,0 +1,29 @@
+using OrderSupportTicket.ViewModels;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media.Imaging;
+
+namespace OrderSupportTicket.Views;
+
+public partial class TicketComposerView : UserControl
+{
+	public TicketComposerView() => InitializeComponent();
+
+	private void ChatTextBox_PreviewKeyDown(object sender, KeyEventArgs e)
+	{
+		var isPaste = (e.Key == Key.V && Keyboard.Modifiers == ModifierKeys.Control) || (e.Key == Key.Insert && Keyboard.Modifiers == ModifierKeys.Shift);
+		if (!isPaste || DataContext is not OrderSupportTicketViewModel viewModel) return;
+		IDataObject data;
+		try { data = Clipboard.GetDataObject(); } catch (ExternalException) { return; }
+		if (data == null) return;
+		if (data.GetDataPresent(DataFormats.Bitmap) && data.GetData(DataFormats.Bitmap) is BitmapSource bitmap) { viewModel.AddPendingImage(bitmap); e.Handled = true; return; }
+		if (!data.GetDataPresent(DataFormats.FileDrop) || data.GetData(DataFormats.FileDrop) is not string[] files) return;
+		var images = files.Where(path => PendingAttachmentViewModel.TryGetMimeType(System.IO.Path.GetExtension(path), out _)).ToArray();
+		if (images.Length == 0) return;
+		viewModel.AddPendingImages(images);
+		e.Handled = true;
+	}
+}

OrderSupportTicket/Views/TicketConversationView.xaml

@@ -0,0 +1,272 @@
+<UserControl
+	x:Class="OrderSupportTicket.Views.TicketConversationView"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:behaviors="clr-namespace:OrderSupportTicket.Behaviors"
+	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	xmlns:vm="clr-namespace:OrderSupportTicket.ViewModels"
+	xmlns:wpf="WPFCommon"
+	d:Background="White"
+	mc:Ignorable="d">
+	<UserControl.Resources>
+		<ResourceDictionary>
+			<ResourceDictionary.MergedDictionaries>
+				<ResourceDictionary Source="OrderSupportTicketStyles.xaml" />
+			</ResourceDictionary.MergedDictionaries>
+			<wpf:CommandProxy x:Key="ShowImageCommand" Command="{Binding ShowImageWindowCommand}" />
+		</ResourceDictionary>
+	</UserControl.Resources>
+	<Grid>
+		<Grid d:Visibility="Visible" Visibility="{Binding IsChatVisible, Converter={StaticResource BoolToVisibility}}">
+			<Grid.RowDefinitions>
+				<RowDefinition Height="Auto" />
+				<RowDefinition Height="*" />
+			</Grid.RowDefinitions>
+			<Border
+				Padding="18,11"
+				BorderBrush="#DDE2E8"
+				BorderThickness="0,0,0,1">
+				<Grid>
+					<Grid.ColumnDefinitions>
+						<ColumnDefinition Width="*" />
+						<ColumnDefinition Width="Auto" />
+					</Grid.ColumnDefinitions>
+					<StackPanel>
+						<StackPanel Orientation="Horizontal">
+							<TextBlock
+								FontWeight="SemiBold"
+								MouseLeftButtonUp="CopyOrderId_MouseLeftButtonUp"
+								Style="{StaticResource CopyableOrderIdStyle}"
+								Tag="{Binding SelectedTicket.WechatOrderId}"
+								Text="{Binding SelectedTicket.WechatOrderId}" />
+							<Border
+								Margin="9,0,0,0"
+								DataContext="{Binding SelectedTicket}"
+								Style="{StaticResource StatusTagStyle}">
+								<TextBlock Style="{StaticResource StatusTextStyle}" Text="{Binding StatusText}" />
+							</Border>
+						</StackPanel>
+						<TextBlock
+							Margin="0,3,0,0"
+							FontSize="13"
+							FontWeight="SemiBold"
+							Text="{Binding SelectedTicket.ProductNameText}"
+							TextTrimming="CharacterEllipsis" />
+						<TextBlock
+							Margin="0,2,0,0"
+							FontSize="12"
+							Foreground="#6B7785"
+							Text="{Binding SelectedTicket.ShopName, StringFormat=店铺 {0}}" />
+					</StackPanel>
+					<Button
+						Grid.Column="1"
+						Padding="12,5"
+						Background="Transparent"
+						BorderBrush="#98638F"
+						Command="{Binding LoadEarlierMessagesCommand}"
+						Content="加载更早留言">
+						<Button.Style>
+							<Style BasedOn="{StaticResource GhostButtonStyle}" TargetType="Button">
+								<Style.Triggers>
+									<DataTrigger Binding="{Binding HasMoreMessages}" Value="False">
+										<Setter Property="Visibility" Value="Collapsed" />
+									</DataTrigger>
+								</Style.Triggers>
+							</Style>
+						</Button.Style>
+					</Button>
+				</Grid>
+			</Border>
+			<Grid Grid.Row="1">
+				<ListBox
+					Margin="18,10"
+					behaviors:ListBoxInteractionBehavior.ScrollVersion="{Binding MessageScrollVersion}"
+					d:ItemsSource="{d:SampleData ItemCount=10}"
+					Background="Transparent"
+					BorderThickness="0"
+					ItemContainerStyle="{StaticResource ChatListItemStyle}"
+					ItemsSource="{Binding Messages}"
+					ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+					ScrollViewer.VerticalScrollBarVisibility="Auto"
+					VirtualizingPanel.ScrollUnit="Pixel">
+					<ListBox.Resources>
+						<Style BasedOn="{StaticResource ChatScrollBarStyle}" TargetType="ScrollBar" />
+					</ListBox.Resources>
+					<ListBox.ItemsPanel>
+						<ItemsPanelTemplate>
+							<VirtualizingStackPanel />
+						</ItemsPanelTemplate>
+					</ListBox.ItemsPanel>
+					<ListBox.ItemTemplate>
+						<DataTemplate DataType="{x:Type vm:ChatMessageViewModel}">
+							<Grid Margin="0,5">
+								<StackPanel
+									x:Name="BubbleColumn"
+									MaxWidth="560"
+									HorizontalAlignment="Left">
+									<TextBlock
+										x:Name="Sender"
+										Margin="1,0,0,3"
+										FontSize="12"
+										Foreground="#6B7785"><Run Text="{Binding SenderDisplayName, Mode=OneWay}" /><Run Text="  " /><Run Text="{Binding CreatedAtText, Mode=OneWay}" /></TextBlock>
+									<Border
+										x:Name="Bubble"
+										Padding="13,9"
+										Background="#F1F3F6"
+										CornerRadius="8,8,8,2">
+										<StackPanel>
+											<TextBlock
+												x:Name="MessageText"
+												Foreground="#1F2933"
+												LineHeight="22"
+												Text="{Binding Content}"
+												TextWrapping="Wrap"
+												Visibility="{Binding HasText, Converter={StaticResource BoolToVisibility}}" />
+											<ItemsControl
+												Margin="0,6,0,0"
+												d:ItemsSource="{d:SampleData ItemCount=1}"
+												ItemsSource="{Binding Attachments}"
+												Visibility="{Binding HasAttachments, Converter={StaticResource BoolToVisibility}}">
+												<ItemsControl.ItemsPanel>
+													<ItemsPanelTemplate>
+														<WrapPanel />
+													</ItemsPanelTemplate>
+												</ItemsControl.ItemsPanel>
+												<ItemsControl.ItemTemplate>
+													<DataTemplate DataType="{x:Type vm:ChatAttachmentViewModel}">
+														<Border
+															Margin="0,0,6,4"
+															Background="#26000000"
+															CornerRadius="5"
+															Cursor="Hand"
+															ToolTip="{Binding ToolTipText}">
+															<Border.InputBindings>
+																<MouseBinding
+																	Command="{Binding Source={StaticResource ShowImageCommand}}"
+																	CommandParameter="{Binding}"
+																	MouseAction="LeftClick" />
+															</Border.InputBindings>
+															<Grid Width="150" Height="150">
+																<Image Source="{Binding Image}" Stretch="Uniform" />
+																<TextBlock
+																	HorizontalAlignment="Center"
+																	VerticalAlignment="Center"
+																	FontSize="50"
+																	Text="{StaticResource txt-image}">
+																	<TextBlock.Style>
+																		<Style BasedOn="{StaticResource TextBlockIcon}" TargetType="TextBlock">
+																			<Setter Property="Foreground" Value="#5B6673" />
+																			<Setter Property="Visibility" Value="Visible" />
+																			<Style.Triggers>
+																				<DataTrigger Binding="{Binding DataContext.IsCustomer, RelativeSource={RelativeSource AncestorType={x:Type ListBoxItem}}}" Value="True">
+																					<Setter Property="Foreground" Value="White" />
+																				</DataTrigger>
+																				<DataTrigger Binding="{Binding IsLoadFailed}" Value="True">
+																					<Setter Property="Text" Value="{StaticResource txt-dismiss_square}" />
+																				</DataTrigger>
+																				<DataTrigger Binding="{Binding HasImage}" Value="True">
+																					<Setter Property="Visibility" Value="Collapsed" />
+																				</DataTrigger>
+																			</Style.Triggers>
+																		</Style>
+																	</TextBlock.Style>
+																</TextBlock>
+															</Grid>
+														</Border>
+													</DataTemplate>
+												</ItemsControl.ItemTemplate>
+											</ItemsControl>
+										</StackPanel>
+									</Border>
+								</StackPanel>
+							</Grid>
+							<DataTemplate.Triggers>
+								<DataTrigger Binding="{Binding IsCustomer}" Value="True">
+									<Setter TargetName="BubbleColumn" Property="HorizontalAlignment" Value="Right" />
+									<Setter TargetName="Bubble" Property="Background" Value="#98638F" />
+									<Setter TargetName="MessageText" Property="Foreground" Value="White" />
+									<Setter TargetName="Sender" Property="HorizontalAlignment" Value="Right" />
+								</DataTrigger>
+								<DataTrigger Binding="{Binding IsRecalled}" Value="True">
+									<Setter TargetName="Bubble" Property="Opacity" Value="0.62" />
+								</DataTrigger>
+							</DataTemplate.Triggers>
+						</DataTemplate>
+					</ListBox.ItemTemplate>
+				</ListBox>
+				<TextBlock
+					HorizontalAlignment="Center"
+					VerticalAlignment="Center"
+					Foreground="#6B7785"
+					Text="暂无公开留言">
+					<TextBlock.Style>
+						<Style TargetType="TextBlock">
+							<Setter Property="Visibility" Value="Collapsed" />
+							<Style.Triggers>
+								<DataTrigger Binding="{Binding Messages.Count}" Value="0">
+									<Setter Property="Visibility" Value="Visible" />
+								</DataTrigger>
+							</Style.Triggers>
+						</Style>
+					</TextBlock.Style>
+				</TextBlock>
+			</Grid>
+		</Grid>
+		<Grid d:Visibility="Hidden" Visibility="{Binding IsDraftVisible, Converter={StaticResource BoolToVisibility}}">
+			<Grid.RowDefinitions>
+				<RowDefinition Height="Auto" />
+				<RowDefinition Height="*" />
+			</Grid.RowDefinitions>
+			<Border
+				Padding="18,11"
+				BorderBrush="#DDE2E8"
+				BorderThickness="0,0,0,1">
+				<StackPanel>
+					<TextBlock FontWeight="SemiBold" Text="新建工单" />
+					<TextBlock
+						Margin="0,2,0,0"
+						FontSize="12"
+						Foreground="#6B7785"
+						Text="提交后进入等待客服回复；已完结订单再次提交会重开原工单。" />
+				</StackPanel>
+			</Border>
+			<Border
+				Grid.Row="1"
+				Margin="18"
+				Padding="14,12"
+				VerticalAlignment="Top"
+				Background="#FAFBFC"
+				BorderBrush="#DDE2E8"
+				BorderThickness="1"
+				CornerRadius="6">
+				<StackPanel>
+					<TextBlock Foreground="#6B7785" Text="关联订单" />
+					<TextBlock
+						Margin="0,4,0,0"
+						FontWeight="SemiBold"
+						Text="{Binding SelectedOrderText}"
+						TextWrapping="Wrap" />
+					<TextBlock
+						Margin="0,4,0,0"
+						FontSize="12"
+						Foreground="#6B7785"
+						Text="{Binding SelectedOrderDescription}"
+						TextWrapping="Wrap" />
+				</StackPanel>
+			</Border>
+		</Grid>
+		<StackPanel
+			HorizontalAlignment="Center"
+			VerticalAlignment="Center"
+			d:Visibility="Hidden"
+			Visibility="{Binding IsEmptyVisible, Converter={StaticResource BoolToVisibility}}">
+			<TextBlock Foreground="#6B7785" Text="在左侧选择工单查看对话" />
+			<TextBlock
+				Margin="0,6,0,0"
+				FontSize="12"
+				Foreground="#6B7785"
+				Text="实时通知已订阅当前拍单账号下的全部店铺" />
+		</StackPanel>
+	</Grid>
+</UserControl>

OrderSupportTicket/Views/TicketConversationView.xaml.cs

@@ -0,0 +1,18 @@
+using _29WxOrderWpf.ToolCtrls;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using Work._29Tools.Forms.ToolForms;
+
+namespace OrderSupportTicket.Views;
+
+public partial class TicketConversationView : UserControl
+{
+	public TicketConversationView() => InitializeComponent();
+	private void CopyOrderId_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+	{
+		if (sender is not FrameworkElement element || element.Tag is not string orderId || string.IsNullOrWhiteSpace(orderId)) return;
+		var window = Window.GetWindow(this);
+		if (window != null) ToastHelper.Show(window, ClipboardHelper.TrySetText(orderId) ? "订单号已复制" : "复制失败");
+	}
+}

OrderSupportTicket/Views/TicketSidebarView.xaml

@@ -0,0 +1,289 @@
+<UserControl
+	x:Class="OrderSupportTicket.Views.TicketSidebarView"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:behaviors="clr-namespace:OrderSupportTicket.Behaviors"
+	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	xmlns:models="clr-namespace:OrderSupportTicket.Models"
+	xmlns:vm="clr-namespace:OrderSupportTicket.ViewModels"
+	d:Background="White"
+	mc:Ignorable="d">
+	<UserControl.Resources>
+		<ResourceDictionary Source="OrderSupportTicketStyles.xaml" />
+	</UserControl.Resources>
+	<Border BorderBrush="#DDE2E8" BorderThickness="0,0,1,0">
+		<Grid>
+			<Grid.RowDefinitions>
+				<RowDefinition Height="40" />
+				<RowDefinition Height="*" />
+				<RowDefinition Height="Auto" />
+			</Grid.RowDefinitions>
+			<StackPanel
+				Margin="14,0"
+				VerticalAlignment="Center"
+				Orientation="Horizontal">
+				<TextBlock
+					FontSize="15"
+					FontWeight="SemiBold"
+					Text="历史工单" />
+				<Border
+					Margin="8,0,0,0"
+					Padding="7,2"
+					Background="#B3261E"
+					CornerRadius="9"
+					Visibility="{Binding HasNewData, Converter={StaticResource BoolToVisibility}}">
+					<TextBlock
+						FontSize="11"
+						Foreground="White"
+						Text="{Binding NewDataText}" />
+				</Border>
+			</StackPanel>
+			<Grid Grid.Row="1">
+				<Grid.RowDefinitions>
+					<RowDefinition Height="Auto" />
+					<RowDefinition Height="Auto" />
+					<RowDefinition Height="Auto" />
+					<RowDefinition Height="*" />
+				</Grid.RowDefinitions>
+				<Grid Margin="11,8,14,4">
+					<TextBox
+						Padding="8,5"
+						Background="#FAFBFC"
+						BorderBrush="#DDE2E8"
+						GotFocus="TicketSearchBox_GotFocus"
+						Text="{Binding TicketSearchText, UpdateSourceTrigger=PropertyChanged}" />
+					<TextBlock
+						Margin="9,0"
+						VerticalAlignment="Center"
+						Foreground="#6B7785"
+						IsHitTestVisible="False"
+						Text="搜索订单号、商品、店铺或状态">
+						<TextBlock.Style>
+							<Style TargetType="TextBlock">
+								<Setter Property="Visibility" Value="Collapsed" />
+								<Style.Triggers>
+									<DataTrigger Binding="{Binding TicketSearchText}" Value="">
+										<Setter Property="Visibility" Value="Visible" />
+									</DataTrigger>
+								</Style.Triggers>
+							</Style>
+						</TextBlock.Style>
+					</TextBlock>
+				</Grid>
+				<TabControl
+					Grid.Row="1"
+					Margin="11,0,14,4"
+					Background="Transparent"
+					BorderThickness="0"
+					ItemContainerStyle="{StaticResource StatusTabItemStyle}"
+					SelectedIndex="{Binding SelectedTicketStatusIndex}">
+					<TabItem Header="全部" />
+					<TabItem Header="待客服回复" />
+					<TabItem Header="客服已回复" />
+					<TabItem Header="已完结" />
+				</TabControl>
+				<Border
+					Grid.Row="2"
+					Padding="11,10"
+					Background="#F3EAF2"
+					BorderBrush="#98638F"
+					BorderThickness="3,1,0,1"
+					Visibility="{Binding IsDraftVisible, Converter={StaticResource BoolToVisibility}}">
+					<StackPanel>
+						<TextBlock FontWeight="SemiBold" Text="新工单（未提交）" />
+						<TextBlock
+							Margin="0,5,0,0"
+							FontSize="12"
+							MouseLeftButtonUp="CopyOrderId_MouseLeftButtonUp"
+							Style="{StaticResource CopyableOrderIdStyle}"
+							Tag="{Binding SelectedOrder.OrderId}"
+							Text="{Binding SelectedOrder.OrderId, StringFormat=订单 {0}}" />
+						<TextBlock
+							Margin="0,4,0,0"
+							FontSize="12"
+							Foreground="#6B7785"
+							Text="请在右侧描述问题" />
+					</StackPanel>
+				</Border>
+				<ListBox
+					Grid.Row="3"
+					behaviors:ListBoxInteractionBehavior.SelectedItemCommand="{Binding SelectTicketCommand}"
+					d:ItemsSource="{d:SampleData ItemCount=10}"
+					Background="Transparent"
+					BorderThickness="0"
+					ItemContainerStyle="{StaticResource TicketListItemStyle}"
+					ItemsSource="{Binding TicketView}"
+					ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+					SelectedItem="{Binding SelectedTicket, Mode=OneWay}">
+					<ListBox.Resources>
+						<Style BasedOn="{StaticResource ChatScrollBarStyle}" TargetType="ScrollBar" />
+					</ListBox.Resources>
+					<ListBox.ItemTemplate>
+						<DataTemplate DataType="{x:Type vm:WorkOrderSummaryViewModel}">
+							<Grid Margin="11,10,14,10">
+								<Grid.RowDefinitions>
+									<RowDefinition Height="Auto" />
+									<RowDefinition Height="Auto" />
+								</Grid.RowDefinitions>
+								<Grid>
+									<Grid.ColumnDefinitions>
+										<ColumnDefinition Width="*" />
+										<ColumnDefinition Width="Auto" />
+									</Grid.ColumnDefinitions>
+									<Grid>
+										<Grid.ColumnDefinitions>
+											<ColumnDefinition Width="*" />
+											<ColumnDefinition Width="Auto" />
+										</Grid.ColumnDefinitions>
+										<TextBlock
+											FontWeight="SemiBold"
+											Foreground="{StaticResource TextBrush}"
+											Tag="{Binding WechatOrderId}"
+											Text="{Binding WechatOrderId}"
+											TextTrimming="CharacterEllipsis" />
+										<Border
+											x:Name="UnreadBadge"
+											Grid.Column="1"
+											Height="18"
+											MinWidth="18"
+											Margin="6,-1,0,0"
+											Padding="5,0"
+											Background="{StaticResource BrandBrush}"
+											CornerRadius="9">
+											<TextBlock
+												HorizontalAlignment="Center"
+												VerticalAlignment="Center"
+												FontSize="11"
+												Foreground="White"
+												Text="{Binding UnreadCount}" />
+										</Border>
+									</Grid>
+									<Border
+										Grid.Column="1"
+										Margin="8,0,0,0"
+										Style="{StaticResource StatusTagStyle}">
+										<TextBlock Style="{StaticResource StatusTextStyle}" Text="{Binding StatusText}" />
+									</Border>
+								</Grid>
+								<Grid Grid.Row="1" Margin="0,7,0,0">
+									<Grid.ColumnDefinitions>
+										<ColumnDefinition Width="48" />
+										<ColumnDefinition Width="*" />
+									</Grid.ColumnDefinitions>
+									<Grid Width="48" Height="48">
+										<Border
+											Background="#F1F3F6"
+											BorderBrush="#DDE2E8"
+											BorderThickness="1"
+											CornerRadius="4">
+											<TextBlock
+												HorizontalAlignment="Center"
+												VerticalAlignment="Center"
+												FontSize="18"
+												Foreground="#9AA5B1"
+												Style="{StaticResource TextBlockIcon}"
+												Text="{StaticResource txt-image}" />
+										</Border>
+										<Border
+											BorderBrush="#DDE2E8"
+											BorderThickness="1"
+											CornerRadius="4">
+											<Border.Background>
+												<ImageBrush ImageSource="{Binding ProductImage}" Stretch="UniformToFill" />
+											</Border.Background>
+										</Border>
+									</Grid>
+									<StackPanel Grid.Column="1" Margin="9,0,0,0">
+										<TextBlock
+											FontSize="13"
+											FontWeight="SemiBold"
+											Text="{Binding ProductNameText}"
+											TextTrimming="CharacterEllipsis" />
+										<Grid Margin="0,3,0,0">
+											<Grid.ColumnDefinitions>
+												<ColumnDefinition Width="Auto" />
+												<ColumnDefinition Width="*" />
+											</Grid.ColumnDefinitions>
+											<TextBlock
+												FontSize="12"
+												FontWeight="SemiBold"
+												Foreground="{StaticResource PriceBrush}"
+												Text="{Binding ProductAmountText}" />
+											<TextBlock
+												Grid.Column="1"
+												Margin="8,0,0,0"
+												FontSize="12"
+												Foreground="{StaticResource SubTextBrush}"
+												Text="{Binding ShopName, StringFormat=店铺 {0}}"
+												TextTrimming="CharacterEllipsis" />
+										</Grid>
+										<Grid Margin="0,3,0,0">
+											<Grid.ColumnDefinitions>
+												<ColumnDefinition Width="*" />
+												<ColumnDefinition Width="Auto" />
+											</Grid.ColumnDefinitions>
+											<TextBlock
+												FontSize="11"
+												Foreground="{StaticResource SubTextBrush}"
+												Text="{Binding PreviewText}"
+												TextTrimming="CharacterEllipsis" />
+											<TextBlock
+												Grid.Column="1"
+												Margin="8,0,0,0"
+												FontSize="11"
+												Foreground="{StaticResource SubTextBrush}"
+												Text="{Binding UpdatedAtText}" />
+										</Grid>
+									</StackPanel>
+								</Grid>
+							</Grid>
+							<DataTemplate.Triggers>
+								<DataTrigger Binding="{Binding UnreadCount}" Value="0">
+									<Setter TargetName="UnreadBadge" Property="Visibility" Value="Collapsed" />
+								</DataTrigger>
+							</DataTemplate.Triggers>
+						</DataTemplate>
+					</ListBox.ItemTemplate>
+				</ListBox>
+			</Grid>
+			<Button
+				Grid.Row="2"
+				Padding="14,9"
+				HorizontalContentAlignment="Left"
+				Background="Transparent"
+				BorderBrush="#DDE2E8"
+				BorderThickness="0,1,0,0"
+				Command="{Binding RetryRealtimeCommand}"
+				Cursor="Hand">
+				<StackPanel Orientation="Horizontal">
+					<Ellipse
+						Width="8"
+						Height="8"
+						Margin="0,0,8,0">
+						<Ellipse.Style>
+							<Style TargetType="Ellipse">
+								<Setter Property="Fill" Value="#D14343" />
+								<Style.Triggers>
+									<DataTrigger Binding="{Binding SseState}" Value="{x:Static models:TicketRealtimeState.Connected}">
+										<Setter Property="Fill" Value="#2F7D4F" />
+									</DataTrigger>
+									<DataTrigger Binding="{Binding SseState}" Value="{x:Static models:TicketRealtimeState.Connecting}">
+										<Setter Property="Fill" Value="#D99A1B" />
+									</DataTrigger>
+									<DataTrigger Binding="{Binding SseState}" Value="{x:Static models:TicketRealtimeState.Reconnecting}">
+										<Setter Property="Fill" Value="#D99A1B" />
+									</DataTrigger>
+								</Style.Triggers>
+							</Style>
+						</Ellipse.Style>
+					</Ellipse>
+					<TextBlock
+						FontSize="12"
+						Foreground="#6B7785"
+						Text="{Binding SseStatusText}" />
+				</StackPanel>
+			</Button>
+		</Grid>
+	</Border>
+</UserControl>

OrderSupportTicket/Views/TicketSidebarView.xaml.cs

@@ -0,0 +1,22 @@
+using _29WxOrderWpf.ToolCtrls;
+using OrderSupportTicket.ViewModels;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using Work._29Tools.Forms.ToolForms;
+
+namespace OrderSupportTicket.Views;
+
+public partial class TicketSidebarView : UserControl
+{
+	public TicketSidebarView() => InitializeComponent();
+	private void TicketSearchBox_GotFocus(object sender, RoutedEventArgs e) { if (DataContext is OrderSupportTicketViewModel vm) vm.CancelNewTicketDraft(); }
+	private void CopyOrderId_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+	{
+		if (sender is not FrameworkElement element) return;
+		var orderId = element.Tag as string;
+		if (string.IsNullOrWhiteSpace(orderId) && element.DataContext is WorkOrderSummaryViewModel ticket) orderId = ticket.WechatOrderId;
+		var window = Window.GetWindow(this);
+		if (window != null && !string.IsNullOrWhiteSpace(orderId)) ToastHelper.Show(window, ClipboardHelper.TrySetText(orderId) ? "订单号已复制" : "复制失败");
+	}
+}

WxOrder.Framework/Controls/ImageViewerWindow.xaml

@@ -0,0 +1,79 @@
+<Window
+	x:Class="WxOrder.Framework.Controls.ImageViewerWindow"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+	xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+	xmlns:local="clr-namespace:WxOrder.Framework.Controls"
+	xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+	Title="图片查看"
+	Width="900"
+	Height="650"
+	MinWidth="320"
+	MinHeight="240"
+	Background="#FF1E1E1E"
+	Focusable="True"
+	KeyDown="Window_KeyDown"
+	ShowInTaskbar="False"
+	mc:Ignorable="d">
+	<Grid
+		x:Name="Root"
+		Background="Transparent"
+		ClipToBounds="True"
+		LostMouseCapture="Root_LostMouseCapture"
+		MouseLeftButtonDown="Root_MouseLeftButtonDown"
+		MouseLeftButtonUp="Root_MouseLeftButtonUp"
+		MouseMove="Root_MouseMove"
+		MouseWheel="Root_MouseWheel"
+		SizeChanged="Root_SizeChanged">
+
+		<!--  Stretch=None：以图片原始尺寸显示，缩放/平移全部由 RenderTransform 完成  -->
+		<Image
+			x:Name="Img"
+			HorizontalAlignment="Left"
+			VerticalAlignment="Top"
+			RenderTransformOrigin="0,0"
+			Stretch="None" />
+
+		<!--  底部工具栏  -->
+		<Border
+			x:Name="ToolBar"
+			Margin="0,0,0,12"
+			Padding="6,4"
+			HorizontalAlignment="Center"
+			VerticalAlignment="Bottom"
+			Background="#99000000"
+			CornerRadius="6">
+			<StackPanel Orientation="Horizontal">
+				<Button
+					Width="28"
+					Click="ZoomOut_Click"
+					Content="－"
+					ToolTip="缩小" />
+				<TextBlock
+					x:Name="ZoomText"
+					Width="52"
+					VerticalAlignment="Center"
+					Foreground="White"
+					Text="100%"
+					TextAlignment="Center" />
+				<Button
+					Width="28"
+					Click="ZoomIn_Click"
+					Content="＋"
+					ToolTip="放大" />
+				<Button
+					Width="40"
+					Margin="6,0,0,0"
+					Click="Fit_Click"
+					Content="适应"
+					ToolTip="适应窗口" />
+				<Button
+					Width="36"
+					Margin="4,0,0,0"
+					Click="Actual_Click"
+					Content="1:1"
+					ToolTip="原始大小" />
+			</StackPanel>
+		</Border>
+	</Grid>
+</Window>

WxOrder.Framework/Controls/ImageViewerWindow.xaml.cs

@@ -0,0 +1,452 @@
+using System;
+using System.IO;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace WxOrder.Framework.Controls;
+
+/// <summary>
+/// 图片查看弹窗，直接静态调用：
+///   ImageViewerWindow.Open(@"C:\a.jpg");
+///   ImageViewerWindow.OpenDialog("https://example.com/a.png", "预览");
+/// source 支持 string(路径/URL) / Uri / ImageSource / byte[] / Stream
+/// </summary>
+public partial class ImageViewerWindow : Window
+{
+	private readonly object _source;
+
+	private ImageViewerWindow(object source, string title)
+	{
+		InitializeComponent();
+
+		// 保证 Img 位于 Canvas 中：
+		// 如果 Img 直接放在 Grid 里，图片比窗口大时会被 WPF 按窗口大小做布局裁剪，
+		// 缩放后只剩左上角一块，表现为“图片没居中”。
+		EnsureImageInCanvas();
+
+		var group = new TransformGroup();
+		group.Children.Add(_scaleT);
+		group.Children.Add(_translateT);
+		Img.RenderTransform = group;
+		Img.RenderTransformOrigin = new Point(0, 0);
+
+		_source = source;
+		Title = title ?? GuessTitle(source);
+
+		// 默认大小：屏幕工作区的 70%
+		Width = Math.Max(MinWidth, SystemParameters.WorkArea.Width * 0.7);
+		Height = Math.Max(MinHeight, SystemParameters.WorkArea.Height * 0.7);
+
+		ImageFailed += (s, ex) =>
+		{
+			MessageBox.Show(this, "图片加载失败：" + ex.Message, "提示",
+				MessageBoxButton.OK, MessageBoxImage.Warning);
+			Close();
+		};
+
+		// 放到 Loaded 里设置，这样加载失败时可以安全地关闭窗口
+		Loaded += (s, e) => Source = _source;
+	}
+
+	/// <summary>如果 Img 的父级不是 Canvas，就在原位置包一层 Canvas。</summary>
+	private void EnsureImageInCanvas()
+	{
+		if (Img.Parent is Canvas) return;
+		if (Img.Parent is not Panel parent) return;
+
+		int index = parent.Children.IndexOf(Img);
+		parent.Children.RemoveAt(index);
+
+		Img.Stretch = Stretch.None;
+		Img.HorizontalAlignment = HorizontalAlignment.Left;
+		Img.VerticalAlignment = VerticalAlignment.Top;
+		Canvas.SetLeft(Img, 0);
+		Canvas.SetTop(Img, 0);
+
+		var canvas = new Canvas { IsHitTestVisible = false };
+		canvas.Children.Add(Img);
+		parent.Children.Insert(index, canvas);
+	}
+
+	#region 静态调用入口
+
+	/// <summary>非模态弹出（不阻塞调用方）</summary>
+	public static void Open(object source, string title = null, Window owner = null)
+	{
+		RunOnUi(() => Create(source, title, owner).Show());
+	}
+
+	/// <summary>模态弹出（关闭前阻塞调用方）</summary>
+	public static void OpenDialog(object source, string title = null, Window owner = null)
+	{
+		RunOnUi(() => Create(source, title, owner).ShowDialog());
+	}
+
+	#endregion
+
+	private static ImageViewerWindow Create(object source, string title, Window owner)
+	{
+		var win = new ImageViewerWindow(source, title);
+
+		owner = owner ?? Application.Current?.MainWindow;
+		if (owner != null && owner.IsLoaded && owner != win)
+		{
+			win.Owner = owner;
+			win.WindowStartupLocation = WindowStartupLocation.CenterOwner;
+		}
+		else
+		{
+			win.WindowStartupLocation = WindowStartupLocation.CenterScreen;
+		}
+		return win;
+	}
+
+	private static void RunOnUi(Action action)
+	{
+		var dispatcher = Application.Current?.Dispatcher
+						 ?? throw new InvalidOperationException("没有可用的 WPF Application。");
+		if (dispatcher.CheckAccess()) action();
+		else dispatcher.Invoke(action);   // 支持从后台线程调用
+	}
+
+	private static string GuessTitle(object source)
+	{
+		try
+		{
+			if (source is string s && !string.IsNullOrWhiteSpace(s))
+			{
+				if (Uri.TryCreate(s, UriKind.Absolute, out var u))
+					return Path.GetFileName(u.IsFile ? u.LocalPath : u.AbsolutePath);
+				return Path.GetFileName(s);
+			}
+			if (source is Uri uri)
+				return Path.GetFileName(uri.IsFile ? uri.LocalPath : uri.AbsolutePath);
+		}
+		catch { /* 忽略，使用默认标题 */ }
+		return "图片查看";
+	}
+
+	private void Window_KeyDown(object sender, KeyEventArgs e)
+	{
+		switch (e.Key)
+		{
+			case Key.Escape: Close(); break;
+			case Key.Add:
+			case Key.OemPlus: ZoomIn(); break;
+			case Key.Subtract:
+			case Key.OemMinus: ZoomOut(); break;
+			case Key.D0:
+			case Key.NumPad0: FitToView(); break;
+			case Key.D1:
+			case Key.NumPad1: ActualSize(); break;
+		}
+	}
+
+	#region 依赖属性
+
+	/// <summary>图片来源：string(路径或URL) / Uri / ImageSource / byte[] / Stream</summary>
+	public static readonly DependencyProperty SourceProperty =
+		DependencyProperty.Register(nameof(Source), typeof(object), typeof(ImageViewerWindow),
+			new PropertyMetadata(null, (d, e) => ((ImageViewerWindow)d).LoadSource(e.NewValue)));
+
+	public static readonly DependencyProperty ShowToolbarProperty =
+		DependencyProperty.Register(nameof(ShowToolbar), typeof(bool), typeof(ImageViewerWindow),
+			new PropertyMetadata(true, (d, e) =>
+				((ImageViewerWindow)d).ToolBar.Visibility = (bool)e.NewValue ? Visibility.Visible : Visibility.Collapsed));
+
+	public object Source
+	{
+		get => GetValue(SourceProperty);
+		set => SetValue(SourceProperty, value);
+	}
+
+	public bool ShowToolbar
+	{
+		get => (bool)GetValue(ShowToolbarProperty);
+		set => SetValue(ShowToolbarProperty, value);
+	}
+
+	#endregion
+
+	#region 公共属性 / 事件
+
+	public double MinZoom { get; set; } = 0.05;
+	public double MaxZoom { get; set; } = 32;
+
+	/// <summary>当前缩放比例（1 = 100%）</summary>
+	public double Zoom
+	{
+		get => _scale;
+		set => ZoomAt(ViewCenter, value);
+	}
+
+	public event EventHandler ZoomChanged;
+	public event EventHandler<Exception> ImageFailed;
+
+	#endregion
+
+	private readonly ScaleTransform _scaleT = new ScaleTransform();
+	private readonly TranslateTransform _translateT = new TranslateTransform();
+
+	private ImageSource _image;
+	private BitmapSource _pending;      // 正在下载的网络图片
+	private double _scale = 1, _tx, _ty;
+	private bool _fit = true;           // 是否处于"适应窗口"状态（窗口大小变化时自动重新适应）
+	private bool _dragging;
+	private Point _lastPos;
+
+	private Point ViewCenter => new Point(Root.ActualWidth / 2, Root.ActualHeight / 2);
+
+	#region 加载图片
+
+	private void LoadSource(object src)
+	{
+		DetachPending();
+		try
+		{
+			var img = CreateImage(src);
+			if (img is BitmapSource bs && bs.IsDownloading)
+			{
+				_pending = bs;
+				bs.DownloadCompleted += OnDownloadCompleted;
+				bs.DownloadFailed += OnDownloadFailed;
+				SetImage(null);
+				return;
+			}
+			SetImage(img);
+		}
+		catch (Exception ex)
+		{
+			SetImage(null);
+			ImageFailed?.Invoke(this, ex);
+		}
+	}
+
+	private void DetachPending()
+	{
+		if (_pending == null) return;
+		_pending.DownloadCompleted -= OnDownloadCompleted;
+		_pending.DownloadFailed -= OnDownloadFailed;
+		_pending = null;
+	}
+
+	private void OnDownloadCompleted(object sender, EventArgs e)
+	{
+		var bs = (BitmapSource)sender;
+		if (bs != _pending) return;
+		DetachPending();
+		if (bs.CanFreeze) bs.Freeze();
+		SetImage(bs);
+	}
+
+	private void OnDownloadFailed(object sender, ExceptionEventArgs e)
+	{
+		DetachPending();
+		SetImage(null);
+		ImageFailed?.Invoke(this, e.ErrorException);
+	}
+
+	private static ImageSource CreateImage(object src)
+	{
+		switch (src)
+		{
+			case null: return null;
+			case ImageSource s: return s;
+			case Uri u: return FromUri(u);
+			case string str:
+				var uri = ToUri(str);
+				return uri == null ? null : FromUri(uri);
+			case byte[] bytes:
+				using (var ms = new MemoryStream(bytes)) return FromStream(ms);
+			case Stream stream: return FromStream(stream);
+			default:
+				throw new NotSupportedException("不支持的图片来源类型：" + src.GetType().FullName);
+		}
+	}
+
+	private static Uri ToUri(string s)
+	{
+		if (string.IsNullOrWhiteSpace(s)) return null;
+		if (Uri.TryCreate(s, UriKind.Absolute, out var u)) return u;   // C:\a.png / http://... / pack://...
+		return new Uri(Path.GetFullPath(s));                           // 相对路径
+	}
+
+	private static BitmapImage FromUri(Uri uri)
+	{
+		var bmp = new BitmapImage();
+		bmp.BeginInit();
+		bmp.UriSource = uri;
+		bmp.CacheOption = BitmapCacheOption.OnLoad;                    // 加载后不占用文件
+		bmp.CreateOptions = BitmapCreateOptions.IgnoreImageCache;      // 文件被替换后能刷新
+		bmp.EndInit();
+		if (!bmp.IsDownloading && bmp.CanFreeze) bmp.Freeze();
+		return bmp;
+	}
+
+	private static BitmapImage FromStream(Stream stream)
+	{
+		var bmp = new BitmapImage();
+		bmp.BeginInit();
+		bmp.StreamSource = stream;
+		bmp.CacheOption = BitmapCacheOption.OnLoad;
+		bmp.EndInit();
+		bmp.Freeze();
+		return bmp;
+	}
+
+	private void SetImage(ImageSource img)
+	{
+		_image = img;
+		Img.Source = img;
+		_fit = true;
+		FitToView();
+	}
+
+	#endregion
+
+	#region 缩放 / 平移
+
+	/// <summary>适应窗口（只缩小，不放大小图）</summary>
+	public void FitToView()
+	{
+		_fit = true;
+		if (_image == null) return;
+		double cw = Root.ActualWidth, ch = Root.ActualHeight;
+		if (cw <= 0 || ch <= 0 || _image.Width <= 0 || _image.Height <= 0) return;
+
+		CenterAtScale(Math.Min(1.0, Math.Min(cw / _image.Width, ch / _image.Height)));
+	}
+
+	/// <summary>按原始大小显示，并将图片几何中心放到视口中心。</summary>
+	public void ActualSize()
+	{
+		CenterAtScale(1.0);
+		_fit = false;
+	}
+
+	public void ZoomIn() => ZoomAt(ViewCenter, _scale * 1.25);
+	public void ZoomOut() => ZoomAt(ViewCenter, _scale / 1.25);
+
+	/// <summary>以 p（控件坐标）为不动点缩放到 newScale</summary>
+	private void ZoomAt(Point p, double newScale)
+	{
+		if (_image == null) return;
+		newScale = Math.Max(MinZoom, Math.Min(MaxZoom, newScale));
+		double ratio = newScale / _scale;
+		_tx = p.X - (p.X - _tx) * ratio;
+		_ty = p.Y - (p.Y - _ty) * ratio;
+		_scale = newScale;
+		_fit = false;
+		ApplyTransform();
+	}
+
+	/// <summary>按指定比例显示，并将图片几何中心与视口中心对齐。</summary>
+	private void CenterAtScale(double newScale)
+	{
+		if (_image == null) return;
+
+		_scale = Math.Max(MinZoom, Math.Min(MaxZoom, newScale));
+		_tx = (Root.ActualWidth - _image.Width * _scale) / 2;
+		_ty = (Root.ActualHeight - _image.Height * _scale) / 2;
+		ApplyTransform();
+	}
+
+	private void ApplyTransform()
+	{
+		if (_image == null)
+		{
+			ZoomText.Text = "--";
+			return;
+		}
+
+		ClampOffset();
+		_scaleT.ScaleX = _scaleT.ScaleY = _scale;
+		_translateT.X = _tx;
+		_translateT.Y = _ty;
+
+		// 缩小用高质量，放大到像素级时用最近邻（能看清像素）
+		RenderOptions.SetBitmapScalingMode(Img,
+			_scale >= 3 ? BitmapScalingMode.NearestNeighbor :
+			_scale < 1 ? BitmapScalingMode.Fant : BitmapScalingMode.Linear);
+
+		ZoomText.Text = $"{_scale * 100:0}%";
+		ZoomChanged?.Invoke(this, EventArgs.Empty);
+	}
+
+	/// <summary>图片小于视口时居中；大于视口时不允许拖出空白</summary>
+	private void ClampOffset()
+	{
+		double cw = Root.ActualWidth, ch = Root.ActualHeight;
+		double w = _image.Width * _scale, h = _image.Height * _scale;
+		_tx = w <= cw ? (cw - w) / 2 : Math.Min(0, Math.Max(cw - w, _tx));
+		_ty = h <= ch ? (ch - h) / 2 : Math.Min(0, Math.Max(ch - h, _ty));
+	}
+
+	#endregion
+
+	#region 事件处理
+
+	private void Root_SizeChanged(object sender, SizeChangedEventArgs e)
+	{
+		if (_image == null) return;
+		if (_fit) FitToView();
+		else ApplyTransform();
+	}
+
+	private void Root_MouseWheel(object sender, MouseWheelEventArgs e)
+	{
+		if (_image == null) return;
+		double factor = Math.Pow(1.001, e.Delta);   // 一格滚轮约 ×1.13，触摸板更平滑
+		ZoomAt(e.GetPosition(Root), _scale * factor);
+		e.Handled = true;
+	}
+
+	private void Root_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+	{
+		if (_image == null) return;
+
+		if (e.ClickCount == 2)   // 双击：适应窗口 <-> 100%
+		{
+			if (_fit) ZoomAt(e.GetPosition(Root), 1.0);
+			else FitToView();
+			return;
+		}
+
+		_dragging = true;
+		_lastPos = e.GetPosition(Root);
+		Root.CaptureMouse();
+		Root.Cursor = Cursors.SizeAll;
+	}
+
+	private void Root_MouseMove(object sender, MouseEventArgs e)
+	{
+		if (!_dragging) return;
+		var pos = e.GetPosition(Root);
+		_tx += pos.X - _lastPos.X;
+		_ty += pos.Y - _lastPos.Y;
+		_lastPos = pos;
+		_fit = false;
+		ApplyTransform();
+	}
+
+	private void Root_MouseLeftButtonUp(object sender, MouseButtonEventArgs e) => EndDrag();
+	private void Root_LostMouseCapture(object sender, MouseEventArgs e) => EndDrag();
+
+	private void EndDrag()
+	{
+		if (!_dragging) return;
+		_dragging = false;
+		Root.ReleaseMouseCapture();
+		Root.Cursor = null;
+	}
+
+	private void ZoomIn_Click(object sender, RoutedEventArgs e) => ZoomIn();
+	private void ZoomOut_Click(object sender, RoutedEventArgs e) => ZoomOut();
+	private void Fit_Click(object sender, RoutedEventArgs e) => FitToView();
+	private void Actual_Click(object sender, RoutedEventArgs e) => ActualSize();
+
+	#endregion
+}

WxOrder.Framework/Helpers/NLogger.cs

@@ -34,7 +34,7 @@ namespace WxOrder.Framework.Helpers
 	/// </summary>
 	public sealed class NLogger : IDisposable, ILogger
 	{
-		private const string DefaultName = "Default";
+		private const string DefaultName = "App";
 
 		private static readonly object _lock = new object();
 		private static NLogger? _instance;

WxOrder.Framework/WxOrder.Framework.csproj

@@ -46,7 +46,6 @@
 
   <ItemGroup>
     <Folder Include="Services\" />
-    <Folder Include="Controls\" />
   </ItemGroup>
 
 </Project>