重构项目，将项目拆分（临时提交）

DMS.Infrastructure/Repositories/UserRepository.cs

@@ -0,0 +1,103 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Threading.Tasks;
+using DMS.Infrastructure.Entities;
+using DMS.Helper;
+
+namespace DMS.Infrastructure.Repositories;
+
+/// <summary>
+/// 用户仓储类，用于操作DbUser实体
+/// </summary>
+public class UserRepository
+{
+
+    /// <summary>
+    /// 根据ID获取用户
+    /// </summary>
+    /// <param name="id">主键ID</param>
+    /// <returns></returns>
+    public async Task<DbUser> GetByIdAsync(int id)
+    {
+        Stopwatch stopwatch = new Stopwatch();
+        stopwatch.Start();
+        using (var _db = DbContext.GetInstance())
+        {
+            var result = await _db.Queryable<DbUser>().In(id).SingleAsync();
+            stopwatch.Stop();
+            NlogHelper.Info($"根据ID '{id}' 获取用户耗时：{stopwatch.ElapsedMilliseconds}ms");
+            return result;
+        }
+    }
+
+    /// <summary>
+    /// 获取所有用户
+    /// </summary>
+    /// <returns></returns>
+    public async Task<List<DbUser>> GetAllAsync()
+    {
+        Stopwatch stopwatch = new Stopwatch();
+        stopwatch.Start();
+        using (var _db = DbContext.GetInstance())
+        {
+            var result = await _db.Queryable<DbUser>().ToListAsync();
+            stopwatch.Stop();
+            NlogHelper.Info($"获取所有用户耗时：{stopwatch.ElapsedMilliseconds}ms");
+            return result;
+        }
+    }
+
+    /// <summary>
+    /// 新增用户
+    /// </summary>
+    /// <param name="user">用户实体</param>
+    /// <returns></returns>
+    public async Task<int> AddAsync(DbUser user)
+    {
+        Stopwatch stopwatch = new Stopwatch();
+        stopwatch.Start();
+        using (var _db = DbContext.GetInstance())
+        {
+            var result = await _db.Insertable(user).ExecuteReturnIdentityAsync();
+            stopwatch.Stop();
+            NlogHelper.Info($"新增用户 '{user.Id}' 耗时：{stopwatch.ElapsedMilliseconds}ms");
+            return result;
+        }
+    }
+
+    /// <summary>
+    /// 更新用户
+    /// </summary>
+    /// <param name="user">用户实体</param>
+    /// <returns></returns>
+    public async Task<int> UpdateAsync(DbUser user)
+    {
+        Stopwatch stopwatch = new Stopwatch();
+        stopwatch.Start();
+        using (var _db = DbContext.GetInstance())
+        {
+            var result = await _db.Updateable(user).ExecuteCommandAsync();
+            stopwatch.Stop();
+            NlogHelper.Info($"更新用户 '{user.Id}' 耗时：{stopwatch.ElapsedMilliseconds}ms");
+            return result;
+        }
+    }
+
+    /// <summary>
+    /// 根据ID删除用户
+    /// </summary>
+    /// <param name="id">主键ID</param>
+    /// <returns></returns>
+    public async Task<int> DeleteAsync(int id)
+    {
+        Stopwatch stopwatch = new Stopwatch();
+        stopwatch.Start();
+        using (var _db = DbContext.GetInstance())
+        {
+            var result = await _db.Deleteable<DbUser>().In(id).ExecuteCommandAsync();
+            stopwatch.Stop();
+            NlogHelper.Info($"删除用户ID '{id}' 耗时：{stopwatch.ElapsedMilliseconds}ms");
+            return result;
+        }
+    }
+}