146 lines
4.1 KiB
C#
146 lines
4.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Resources;
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namespace WxOrder.Framework.Helpers;
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/// <summary>
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/// WPF 资源读取帮助类
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/// 支持 Resource、Embedded Resource、Content 三种方式
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/// </summary>
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public static class ResourceHelper
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{
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/// <summary>
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/// 从 WPF 应用程序资源中读取文本内容（Build Action = Resource）
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/// </summary>
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/// <param name="relativePath">相对路径，如 "Ctrls/PDDInvoice/Resources/invoice.js"</param>
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/// <param name="assemblyName">程序集名称，可选，默认使用当前程序集</param>
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/// <returns>文件内容字符串</returns>
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public static string GetResourceText(string relativePath, string assemblyName = null)
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{
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try
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{
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// 构建 pack URI
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string uriString;
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if (string.IsNullOrEmpty(assemblyName))
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{
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// 当前程序集
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uriString = $"pack://application:,,,/{relativePath}";
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}
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else
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{
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// 指定程序集
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uriString = $"pack://application:,,,/{assemblyName};component/{relativePath}";
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}
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var uri = new Uri(uriString, UriKind.Absolute);
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StreamResourceInfo resourceInfo = Application.GetResourceStream(uri);
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if (resourceInfo == null)
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{
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throw new FileNotFoundException($"资源未找到: {relativePath}");
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}
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using (var reader = new StreamReader(resourceInfo.Stream))
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{
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return reader.ReadToEnd();
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}
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}
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catch (Exception ex)
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{
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return "";
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}
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}
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/// <summary>
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/// 从嵌入资源中读取文本内容（Build Action = Embedded Resource）
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/// </summary>
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/// <param name="resourceName">完整资源名称，如 "YourNamespace.Ctrls.PDDInvoice.Resources.invoice.js"</param>
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/// <param name="assembly">程序集，默认使用当前程序集</param>
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/// <returns>文件内容字符串</returns>
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public static string GetEmbeddedResourceText(string resourceName, Assembly assembly = null)
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{
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try
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{
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assembly ??= Assembly.GetExecutingAssembly();
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using (var stream = assembly.GetManifestResourceStream(resourceName))
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{
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if (stream == null)
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{
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throw new FileNotFoundException($"嵌入资源未找到: {resourceName}");
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}
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using (var reader = new StreamReader(stream))
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{
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return reader.ReadToEnd();
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}
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}
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"读取嵌入资源失败: {resourceName}", ex);
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}
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}
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/// <summary>
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/// 从嵌入资源中读取文本内容，自动查找资源名称（支持部分匹配）
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/// </summary>
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/// <param name="fileName">文件名，如 "invoice.js"</param>
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/// <param name="assembly">程序集，默认使用当前程序集</param>
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/// <returns>文件内容字符串</returns>
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public static string GetEmbeddedResourceTextByFileName(string fileName, Assembly assembly = null)
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{
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assembly ??= Assembly.GetExecutingAssembly();
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// 查找匹配的资源名称
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var resourceNames = assembly.GetManifestResourceNames();
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var matchedName = Array.Find(resourceNames, name => name.EndsWith(fileName));
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if (string.IsNullOrEmpty(matchedName))
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{
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throw new FileNotFoundException($"未找到名为 {fileName} 的嵌入资源");
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}
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return GetEmbeddedResourceText(matchedName, assembly);
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}
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/// <summary>
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/// 从文件系统读取文本内容（Build Action = Content）
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/// </summary>
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/// <param name="filePath">文件物理路径或相对路径</param>
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/// <returns>文件内容字符串</returns>
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public static string GetFileText(string filePath)
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{
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try
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{
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if (!File.Exists(filePath))
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{
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throw new FileNotFoundException($"文件未找到: {filePath}");
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}
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return File.ReadAllText(filePath, System.Text.Encoding.UTF8);
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"读取文件失败: {filePath}", ex);
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}
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}
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/// <summary>
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/// 读取 JS 资源（专门针对 JS 文件的便捷方法）
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/// </summary>
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/// <param name="relativePath">JS 文件相对路径</param>
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/// <returns>JS 文件内容</returns>
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public static string GetJavaScriptResource(string relativePath)
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{
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return GetResourceText(relativePath);
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}
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}
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