添加项目文件。

Service/Interface/IBaseService.cs

@@ -0,0 +1,55 @@
+using Model;
+using SqlSugar;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Service.Interface
+{
+    /// <summary>
+    /// 泛型基础服务接口（返回 Result 封装）
+    /// </summary>
+    /// <typeparam name="TEntity">实体类型</typeparam>
+    public interface IBaseService<TEntity> where TEntity : class, new()
+    {
+        /// <summary>
+        /// 查询全部
+        /// </summary>
+        /// <returns>返回包含数据的 Result</returns>
+        Task<Result<List<TEntity>>> GetAllAsync();
+
+        /// <summary>
+        /// 根据日期查询全部
+        /// </summary>
+        /// <param name="startDate">开始日期</param>
+        /// <param name="endDate">结束日期</param>
+        /// <returns>返回包含日期范内的数据的 Result</returns>
+        Task<Result<List<TEntity>>> GetAllAsyncByDate(DateTime? startDate, DateTime? endDate);
+
+        /// <summary>
+        /// 插入单条数据
+        /// </summary>
+        /// <param name="entity"></param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> InsertAsync(TEntity entity);
+
+        /// <summary>
+        /// 分页查询
+        /// </summary>
+        /// <param name="pageIndex">页码（从1开始）</param>
+        /// <param name="pageSize">每页数量</param>
+        /// <param name="total">总条数（输出参数）</param>
+        /// <returns>返回包含分页数据的 Result</returns>
+        Task<Result<List<TEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total);
+
+        /// <summary>
+        /// 分页查询，并根据日期范围进行过滤
+        /// </summary>
+        /// <param name="pageIndex">页码（从1开始）</param>
+        /// <param name="pageSize">每页数量</param>
+        /// <param name="total">总条数（输出参数）</param>
+        /// <param name="startDate">开始日期</param>
+        /// <param name="endDate">结束日期</param>
+        /// <returns>返回包含分页数据的 Result</returns>
+        Task<Result<List<TEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total, DateTime? startDate, DateTime? endDate);
+    }
+}