znpt-backend/core/src/main/resources/mapper/UserMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.dite.znpt.mapper.UserMapper">

    <sql id="Base_Column_List">
        a.user_id,         a.name,         a.role_type,         a.company_id,
        a.password,         a.status
    </sql>

    <select id="queryBySelective" resultType="com.dite.znpt.domain.vo.UserListResp">
        SELECT
            u.user_id, u.account, u.status, u.name, d.dept_name, u.identity_card, u.mobile, u.email, u.hiredate, u.birthdate, GROUP_CONCAT(p.post_name) AS post_name
        FROM user u
        LEFT JOIN dept d ON u.dept_id = d.dept_id
        LEFT JOIN user_post up ON u.user_id = up.user_id
        LEFT JOIN post p ON up.post_id = p.post_id
        <where>
            <if test="account != null and account != ''">
                AND u.account LIKE concat ('%', #{account}, '%')
            </if>
            <if test="name != null and name != ''">
                AND u.name LIKE concat ('%', #{name}, '%')
            </if>
            <if test="mobile != null and mobile != ''">
                AND u.mobile LIKE concat ('%', #{mobile}, '%')
            </if>
            <if test="email != null and email != ''">
                AND u.email LIKE concat ('%', #{email}, '%')
            </if>
            <if test="deptId != null and deptId != ''">
                AND d.dept_id = #{deptId}
            </if>
            <if test="postId != null and postId != ''">
                AND p.post_id = #{postId}
            </if>
            <if test="status != null">
                AND u.status = #{status}
            </if>
        </where>
        GROUP BY u.user_id, u.account, u.status, u.name, d.dept_name, u.identity_card, u.mobile, u.email, u.hiredate, u.birthdate
    </select>
</mapper>