更新框架，增加云库搜索模块

Models/CloudProduct/Dtos/ProductSearchRequest.cs

@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Store.Modules.CloudProduct.Dtos
+{
+	/// <summary>
+	/// 商品搜索请求
+	/// </summary>
+	public class ProductSearchRequest
+	{
+		/// <summary>
+		/// 标题（模糊搜索）
+		/// </summary>
+		public string Title { get; set; } = string.Empty;
+
+		/// <summary>
+		/// 最低价格（分）
+		/// </summary>
+		public long? MinPrice { get; set; }
+
+		/// <summary>
+		/// 最高价格（分）
+		/// </summary>
+		public long? MaxPrice { get; set; }
+
+		/// <summary>
+		/// 一级类目ID
+		/// </summary>
+		public int? CatId1 { get; set; }
+
+		/// <summary>
+		/// 二级类目ID
+		/// </summary>
+		public int? CatId2 { get; set; }
+
+		/// <summary>
+		/// 三级类目ID
+		/// </summary>
+		public int? CatId3 { get; set; }
+
+		/// <summary>
+		/// 四级类目ID
+		/// </summary>
+		public int? CatId4 { get; set; }
+
+		/// <summary>
+		/// 最低销量
+		/// </summary>
+		public int? MinSoldQuantity { get; set; }
+
+		/// <summary>
+		/// 最高销量
+		/// </summary>
+		public int? MaxSoldQuantity { get; set; }
+
+		/// <summary>
+		/// 平台类型
+		/// </summary>
+		public byte? Platform { get; set; }
+
+
+		/// <summary>
+		/// 页码（默认1）
+		/// </summary>
+		public int PageIndex { get; set; } = 1;
+
+		/// <summary>
+		/// 每页数量（默认20）
+		/// </summary>
+		public int PageSize { get; set; } = 20;
+
+		/// <summary>
+		/// 排序字段
+		/// </summary>
+		public string SortBy { get; set; } = "CreatedTime";
+
+		/// <summary>
+		/// 排序方式：asc/desc（默认desc）
+		/// </summary>
+		public string SortOrder { get; set; } = "desc";
+	}
+}