推送用户列表查询的分页bug

ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysUserMapper.java

@@ -1,6 +1,7 @@
 package com.ruoyi.system.mapper;
 
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Constants;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.ruoyi.common.annotation.DataColumn;
@@ -22,7 +23,7 @@ public interface SysUserMapper extends BaseMapperPlus<SysUserMapper, SysUser, Sy
         @DataColumn(key = "deptName", value = "d.dept_id"),
         @DataColumn(key = "userName", value = "u.user_id")
     })
-    Page<SysUser> selectPageUserList(@Param("page") Page<SysUser> page, @Param(Constants.WRAPPER) Wrapper<SysUser> queryWrapper);
+    Page<SysUser> selectPageUserList(@Param("page") Page<SysUser> page, @Param(Constants.WRAPPER) QueryWrapper<SysUser> queryWrapper);
 
     /**
      * 根据条件分页查询用户列表

ruoyi-system/src/main/resources/mapper/system/SysUserMapper.xml

@@ -4,7 +4,7 @@
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.ruoyi.system.mapper.SysUserMapper">
 
-    <resultMap type="SysUser" id="SysUserResult">
+    <resultMap type="com.ruoyi.common.core.domain.entity.SysUser" id="SysUserResult">
         <id property="userId" column="user_id"/>
         <result property="deptId" column="dept_id"/>
         <result property="userName" column="user_name"/>
@@ -28,11 +28,16 @@
         <result property="bankCard" column="bank_card"/>
         <result property="insure" column="insure"/>
         <result property="laborCost" column="labor_cost"/>
-        <association property="dept" column="dept_id" javaType="SysDept" resultMap="deptResult"/>
+        <association property="dept" column="dept_id" javaType="com.ruoyi.common.core.domain.entity.SysDept" resultMap="deptResult"/>
-        <collection property="roles" javaType="java.util.List" resultMap="RoleResult"/>
+
+        <!-- 嵌套查询加载 roles 列表 -->
+        <collection property="roles"
+                    ofType="com.ruoyi.common.core.domain.entity.SysRole"
+                    column="user_id"
+                    select="selectRolesByUserId"/>
     </resultMap>
 
-    <resultMap id="deptResult" type="SysDept">
+    <resultMap id="deptResult" type="com.ruoyi.common.core.domain.entity.SysDept">
         <id property="deptId" column="dept_id"/>
         <result property="parentId" column="parent_id"/>
         <result property="deptName" column="dept_name"/>
@@ -42,7 +47,7 @@
         <result property="status" column="dept_status"/>
     </resultMap>
 
-    <resultMap id="RoleResult" type="SysRole">
+    <resultMap id="RoleResult" type="com.ruoyi.common.core.domain.entity.SysRole">
         <id property="roleId" column="role_id"/>
         <result property="roleName" column="role_name"/>
         <result property="roleKey" column="role_key"/>
@@ -62,6 +67,44 @@
         <result property="laborCost" column="labor_cost"/>
     </resultMap>
 
+    <select id="selectPageUserList" resultMap="SysUserResult">
+        SELECT
+            u.*,
+            d.dept_name,
+            d.leader
+        FROM (
+                 -- 子查询：去重并分页
+                 SELECT u.user_id
+                 FROM sys_user u
+                          LEFT JOIN sys_user_role sur
+                                    ON sur.user_id = u.user_id
+                          LEFT JOIN sys_role sr
+                                    ON sr.role_id = sur.role_id
+                     ${ew.getCustomSqlSegment}
+                 GROUP BY u.user_id
+             ) ids
+                 -- 回联完整用户表（alias: u_full）
+                 JOIN sys_user u
+                      ON u.user_id = ids.user_id
+            -- 回联部门表
+                 LEFT JOIN sys_dept d
+                           ON u.dept_id = d.dept_id
+    </select>
+    <!-- 嵌套查询：根据 user_id 加载角色 -->
+    <select id="selectRolesByUserId"
+            resultMap="RoleResult"
+            parameterType="long">
+        SELECT
+            r.role_id,
+            r.role_name
+        FROM sys_role r
+                 INNER JOIN sys_user_role sur
+                            ON r.role_id = sur.role_id
+        WHERE sur.user_id = #{user_id}
+    </select>
+
+
+
     <sql id="selectUserVo">
         select u.user_id,
                u.dept_id,
@@ -103,18 +146,9 @@
             left join sys_role r on r.role_id = sur.role_id
     </sql>
 
-    <select id="selectPageUserList" resultMap="SysUserResult">
-        select u.user_id, u.insure, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.sex,u.id_card,u.bank_card,u.labor_cost,
-            u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader,sr.role_id,sr.role_name
-        from sys_user u
-            left join sys_dept d on u.dept_id = d.dept_id
-            left join sys_user_role sur on sur.user_id = u.user_id
-            left join sys_role sr on sr.role_id = sur.role_id
-        ${ew.getCustomSqlSegment}
-    </select>
 
     <select id="selectUserList" resultMap="SysUserResult">
-        select u.user_id, u.insure, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.sex,
+        select distinct u.user_id, u.insure, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.sex,
             u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader
         from sys_user u
             left join sys_dept d on u.dept_id = d.dept_id