优化分页查询

ZR.Admin.WebApi/Controllers/System/CodeGeneratorController.cs

@@ -69,8 +69,15 @@ namespace ZR.Admin.WebApi.Controllers
         public IActionResult FindListTable(string dbName, string tableName, PagerInfo pager)
         {
             List<DbTableInfo> list = _CodeGeneraterService.GetAllTables(dbName, tableName, pager);
-
+            var page = new PagedInfo<DbTableInfo>
-            return SUCCESS(list.ToPage(pager));
+            {
+                TotalPage = pager.TotalPage,
+                TotalNum = pager.TotalNum,
+                PageSize = pager.PageSize,
+                PageIndex = pager.PageNum,
+                Result = list
+            };
+            return SUCCESS(page);
         }
 
         /// <summary>

ZR.Admin.WebApi/Controllers/System/SysUserController.cs

@@ -56,7 +56,7 @@ namespace ZR.Admin.WebApi.Controllers.System
         {
             var list = UserService.SelectUserList(user, pager);
 
-            return SUCCESS(list.ToPage(pager), TIME_FORMAT_FULL);
+            return SUCCESS(list, TIME_FORMAT_FULL);
         }
 
         /// <summary>
@@ -218,7 +218,7 @@ namespace ZR.Admin.WebApi.Controllers.System
             var list = UserService.SelectUserList(user, new PagerInfo(1, 10000));
 
             //调试模式需要加上
-            string sFileName = ExportExcel(list, "user", "用户列表");
+            string sFileName = ExportExcel(list.Result, "user", "用户列表");
             return SUCCESS(new { path = "/export/" + sFileName, fileName = sFileName });
         }
     }

ZR.Admin.WebApi/Controllers/System/monitor/SysLogininforController.cs

@@ -39,7 +39,7 @@ namespace ZR.Admin.WebApi.Controllers.monitor
         {
             var list = sysLoginService.GetLoginLog(sysLogininfoDto, pagerInfo);
 
-            return ToResponse(ToJson(list.Count, list.ToPage(pagerInfo)), TIME_FORMAT_FULL_2);
+            return SUCCESS(list, TIME_FORMAT_FULL_2);
         }
 
         /// <summary>

ZR.Model/ZR.Model.csproj

@@ -4,6 +4,10 @@
     <TargetFramework>netstandard2.1</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Compile Remove="Extensions\QueryableExtension.cs" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="EPPlus" Version="5.8.3" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
@@ -14,6 +18,7 @@
   <ItemGroup>
     <Folder Include="Dto\" />
     <Folder Include="Enum\" />
+    <Folder Include="Extensions\" />
     <Folder Include="Vo\" />
   </ItemGroup>
 

ZR.Repository/BaseRepository.cs

@@ -379,14 +379,17 @@ namespace ZR.Repository
         }
     }
 
+    /// <summary>
+    /// 分页查询扩展
+    /// </summary>
     public static class QueryableExtension
     {
         /// <summary>
         /// 读取列表
         /// </summary>
         /// <typeparam name="T"></typeparam>
-        /// <param name="source"></param>
+        /// <param name="source">查询表单式</param>
-        /// <param name="parm"></param>
+        /// <param name="parm">分页参数</param>
         /// <returns></returns>
         public static PagedInfo<T> ToPage<T>(this ISugarQueryable<T> source, PagerInfo parm)
         {

ZR.Repository/System/SysLogininfoRepository.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using ZR.Model;
 using ZR.Model.System.Dto;
 using ZR.Model.System;
+using SqlSugar;
 
 namespace ZR.Repository.System
 {
@@ -16,19 +17,19 @@ namespace ZR.Repository.System
         /// <param name="logininfoDto"></param>
         /// <param name="pager"></param>
         /// <returns></returns>
-        public List<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager)
+        public PagedInfo<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager)
         {
-            int totalCount = 0;
+            var exp = Expressionable.Create<SysLogininfor>();
-            var list = Context.Queryable<SysLogininfor>()
+            exp.And(it => it.loginTime >= logininfoDto.BeginTime && it.loginTime <= logininfoDto.EndTime);
-                .Where(it => it.loginTime >= logininfoDto.BeginTime && it.loginTime <= logininfoDto.EndTime)
+            exp.AndIF(logininfoDto.ipaddr.IfNotEmpty(), f => f.ipaddr == logininfoDto.ipaddr);
-                .WhereIF(logininfoDto.ipaddr.IfNotEmpty(), f => f.ipaddr == logininfoDto.ipaddr)
+            exp.AndIF(logininfoDto.userName.IfNotEmpty(), f => f.userName.Contains(logininfoDto.userName));
-                .WhereIF(logininfoDto.userName.IfNotEmpty(), f => f.userName.Contains(logininfoDto.userName))
+            exp.AndIF(logininfoDto.status.IfNotEmpty(), f => f.status == logininfoDto.status);
-                .WhereIF(logininfoDto.status.IfNotEmpty(), f => f.status == logininfoDto.status)
+            var query = Context.Queryable<SysLogininfor>()
-                .OrderBy(it => it.infoId, SqlSugar.OrderByType.Desc)
+                .Where(exp.ToExpression())
-                .IgnoreColumns(it => new { it.Create_by, it.Create_time, it.Update_by, it.Update_time, it.Remark })
+                .OrderBy(it => it.infoId, OrderByType.Desc)
-                .ToPageList(pager.PageNum, pager.PageSize, ref totalCount);
+                .IgnoreColumns(it => new { it.Create_by, it.Create_time, it.Update_by, it.Update_time, it.Remark });
-            pager.TotalNum = totalCount;
+
-            return list;
+            return query.ToPage(pager);
         }
 
         /// <summary>

ZR.Repository/System/SysUserRepository.cs

@@ -1,4 +1,5 @@
 using Infrastructure.Attribute;
+using SqlSugar;
 using System;
 using System.Collections.Generic;
 using ZR.Model;
@@ -18,23 +19,27 @@ namespace ZR.Repository.System
         /// <paramref name="user"/>
         /// </summary>
         /// <returns></returns>
-        public List<SysUser> SelectUserList(SysUser user, PagerInfo pager)
+        public PagedInfo<SysUser> SelectUserList(SysUser user, PagerInfo pager)
         {
-            string sql = @"SELECT u.*,d.deptName, d.leader
+            var exp = Expressionable.Create<SysUser>();
-            FROM sys_user u 
+            exp.AndIF(!string.IsNullOrEmpty(user.UserName), it => it.UserName.Contains(user.UserName));
-            left join sys_dept d on u.deptId = d.deptId
+            exp.AndIF(!string.IsNullOrEmpty(user.Status), it => it.Status == user.Status);
-            WHERE u.delFlag = '0' ";
+            exp.AndIF(user.BeginTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time >= user.BeginTime);
-            int totalCount = 0;
+            exp.AndIF(user.EndTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time <= user.EndTime);
-            var list = Context.SqlQueryable<SysUser>(sql)
+            exp.AndIF(user.DeptId != 0, it => it.DeptId == user.DeptId);
-                .WhereIF(!string.IsNullOrEmpty(user.UserName), it => it.UserName.Contains(user.UserName))
+            exp.And(user => user.DelFlag == "0");
-                .WhereIF(!string.IsNullOrEmpty(user.Status), it => it.Status == user.Status)
+            
-                .WhereIF(user.BeginTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time >= user.BeginTime)
+            var query = Context.Queryable<SysUser>()
-                .WhereIF(user.EndTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time <= user.EndTime)
+                .LeftJoin<SysDept>((user, dept) => user.DeptId == dept.DeptId)
-                .WhereIF(user.DeptId != 0, it => it.DeptId == user.DeptId)
+                .Where(exp.ToExpression())
-                .OrderBy(it => it.UserId)
+                .Select((user, dept) => new SysUser
-                .ToPageList(pager.PageNum, pager.PageSize, ref totalCount);
+                {
-            pager.TotalNum = totalCount;
+                    UserId = user.UserId.SelectAll(),
-            return list;
+                    DeptName = dept.DeptName,
+                })
+                .OrderBy((user) => user.UserId);
+
+            return query.ToPage(pager);
         }
 
         /// <summary>

ZR.Service/System/GenTableService.cs

@@ -96,7 +96,7 @@ namespace ZR.Service.System
             var predicate = Expressionable.Create<GenTable>();
             predicate = predicate.AndIF(genTable.TableName.IfNotEmpty(), it => it.TableName.Contains(genTable.TableName));
 
-            return GenTableRepository.GetPages(predicate.ToExpression(), pagerInfo);
+            return GenTableRepository.GetPages(predicate.ToExpression(), pagerInfo, x => x.TableId, OrderByType.Desc);
         }
 
         /// <summary>

ZR.Service/System/IService/ISysLoginService.cs

@@ -17,7 +17,7 @@ namespace ZR.Service.System.IService
         /// <param name="logininfoDto"></param>
         /// <param name="pager">分页</param>
         /// <returns></returns>
-        public List<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager);
+        public PagedInfo<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager);
 
         /// <summary>
         /// 记录登录日志

ZR.Service/System/IService/ISysUserService.cs

@@ -10,7 +10,7 @@ namespace ZR.Service.System.IService
 {
     public interface ISysUserService : IBaseService<SysUser>
     {
-        public List<SysUser> SelectUserList(SysUser user, PagerInfo pager);
+        public PagedInfo<SysUser> SelectUserList(SysUser user, PagerInfo pager);
 
         /// <summary>
         /// 通过用户ID查询用户

ZR.Service/System/SysLoginService.cs

@@ -66,7 +66,7 @@ namespace ZR.Service.System
         /// <param name="logininfoDto"></param>
         /// <param name="pager">分页</param>
         /// <returns></returns>
-        public List<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager)
+        public PagedInfo<SysLogininfor> GetLoginLog(SysLogininfor logininfoDto, PagerInfo pager)
         {
             logininfoDto.BeginTime = DateTimeHelper.GetBeginTime(logininfoDto.BeginTime, -1);
             logininfoDto.EndTime = DateTimeHelper.GetBeginTime(logininfoDto.EndTime, 1);

ZR.Service/System/SysUserService.cs

@@ -37,7 +37,7 @@ namespace ZR.Service
         /// 根据条件分页查询用户列表
         /// </summary>
         /// <returns></returns>
-        public List<SysUser> SelectUserList(SysUser user, PagerInfo pager)
+        public PagedInfo<SysUser> SelectUserList(SysUser user, PagerInfo pager)
         {
             var list = UserRepository.SelectUserList(user, pager);