优化分页查询

This commit is contained in:
不做码农
2021-12-18 10:56:02 +08:00
parent c5c83a0b22
commit 6305fe3164
12 changed files with 61 additions and 40 deletions

View File

@@ -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
FROM sys_user u
left join sys_dept d on u.deptId = d.deptId
WHERE u.delFlag = '0' ";
int totalCount = 0;
var list = Context.SqlQueryable<SysUser>(sql)
.WhereIF(!string.IsNullOrEmpty(user.UserName), it => it.UserName.Contains(user.UserName))
.WhereIF(!string.IsNullOrEmpty(user.Status), it => it.Status == user.Status)
.WhereIF(user.BeginTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time >= user.BeginTime)
.WhereIF(user.EndTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time <= user.EndTime)
.WhereIF(user.DeptId != 0, it => it.DeptId == user.DeptId)
.OrderBy(it => it.UserId)
.ToPageList(pager.PageNum, pager.PageSize, ref totalCount);
pager.TotalNum = totalCount;
return list;
var exp = Expressionable.Create<SysUser>();
exp.AndIF(!string.IsNullOrEmpty(user.UserName), it => it.UserName.Contains(user.UserName));
exp.AndIF(!string.IsNullOrEmpty(user.Status), it => it.Status == user.Status);
exp.AndIF(user.BeginTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time >= user.BeginTime);
exp.AndIF(user.EndTime != DateTime.MinValue && user.BeginTime != null, it => it.Create_time <= user.EndTime);
exp.AndIF(user.DeptId != 0, it => it.DeptId == user.DeptId);
exp.And(user => user.DelFlag == "0");
var query = Context.Queryable<SysUser>()
.LeftJoin<SysDept>((user, dept) => user.DeptId == dept.DeptId)
.Where(exp.ToExpression())
.Select((user, dept) => new SysUser
{
UserId = user.UserId.SelectAll(),
DeptName = dept.DeptName,
})
.OrderBy((user) => user.UserId);
return query.ToPage(pager);
}
/// <summary>