添加项目文件。

QYZH.InteractiveMagazine.Models/Dto/BaseResponse.cs

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+namespace QYZH.InteractiveMagazine.Models.Dto;
+
+/// <summary>
+/// 统一响应模型
+/// </summary>
+/// <typeparam name="T">数据类型</typeparam>
+public class BaseResponse<T>
+{
+    /// <summary>
+    /// 状态码
+    /// </summary>
+    public int Code { get; set; }
+
+    /// <summary>
+    /// 提示信息
+    /// </summary>
+    public string? Message { get; set; }
+
+    /// <summary>
+    /// 数据
+    /// </summary>
+    public T? Data { get; set; }
+
+    /// <summary>
+    /// 成功响应
+    /// </summary>
+    /// <param name="data">数据</param>
+    /// <param name="message">提示信息</param>
+    /// <returns>统一响应对象</returns>
+    public static BaseResponse<T> Success(T data, string message = "操作成功")
+    {
+        return new BaseResponse<T>
+        {
+            Code = 200,
+            Message = message,
+            Data = data
+        };
+    }
+
+    /// <summary>
+    /// 失败响应
+    /// </summary>
+    /// <param name="message">提示信息</param>
+    /// <param name="code">状态码</param>
+    /// <returns>统一响应对象</returns>
+    public static BaseResponse<T> Fail(string message, int code = 500)
+    {
+        return new BaseResponse<T>
+        {
+            Code = code,
+            Message = message,
+            Data = default
+        };
+    }
+}

QYZH.InteractiveMagazine.Models/Dto/PageListModel.cs

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+namespace QYZH.InteractiveMagazine.Models.Dto;
+
+/// <summary>
+/// 分页输出
+/// </summary>
+/// <typeparam name="T">数据类型</typeparam>
+public class PageListModel<T>
+{
+    /// <summary>
+    /// 页码
+    /// </summary>
+    public int PageIndex { get; set; }
+
+    /// <summary>
+    /// 每页条数
+    /// </summary>
+    public int PageSize { get; set; }
+
+    /// <summary>
+    /// 总记录数
+    /// </summary>
+    public long TotalCount { get; set; }
+
+    /// <summary>
+    /// 总页数
+    /// </summary>
+    public int TotalPages => PageSize > 0 ? (int)Math.Ceiling((double)TotalCount / PageSize) : 0;
+
+    /// <summary>
+    /// 数据列表
+    /// </summary>
+    public List<T>? List { get; set; }
+}

QYZH.InteractiveMagazine.Models/Dto/PageQueryModel.cs

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+namespace QYZH.InteractiveMagazine.Models.Dto;
+
+/// <summary>
+/// 分页查询输入
+/// </summary>
+public class PageQueryModel
+{
+    /// <summary>
+    /// 页码，默认1
+    /// </summary>
+    public int PageIndex { get; set; } = 1;
+
+    /// <summary>
+    /// 每页条数，默认10
+    /// </summary>
+    public int PageSize { get; set; } = 10;
+
+    /// <summary>
+    /// 排序字段
+    /// </summary>
+    public string? SortField { get; set; }
+
+    /// <summary>
+    /// 排序方式（asc/desc）
+    /// </summary>
+    public string? SortOrder { get; set; }
+}