wzj-boot/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.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.ruoyi.system.mapper.SysDeptMapper">

    <resultMap type="SysDept" id="SysDeptResult">
        <id property="deptId" column="dept_id"/>
        <result property="parentId" column="parent_id"/>
        <result property="ancestors" column="ancestors"/>
        <result property="deptName" column="dept_name"/>
        <result property="orderNum" column="order_num"/>
        <result property="leader" column="leader"/>
        <result property="phone" column="phone"/>
        <result property="email" column="email"/>
        <result property="status" column="status"/>
        <result property="delFlag" column="del_flag"/>
        <result property="parentName" column="parent_name"/>
        <result property="createBy" column="create_by"/>
        <result property="createTime" column="create_time"/>
        <result property="updateBy" column="update_by"/>
        <result property="updateTime" column="update_time"/>
    </resultMap>

    <sql id="selectDeptVo">
        select d.dept_id, d.parent_id, d.ancestors, d.dept_name, d.order_num, d.leader, d.phone, d.email, d.status, d.del_flag, d.create_by, d.create_time
        from sys_dept d
    </sql>

    <select id="selectDeptList" parameterType="SysDept" resultMap="SysDeptResult">
        <include refid="selectDeptVo"/>
        where d.del_flag = '0'
        <if test="deptId != null and deptId != 0">
            AND dept_id = #{deptId}
        </if>
        <if test="parentId != null and parentId != 0">
            AND parent_id = #{parentId}
        </if>
        <if test="deptName != null and deptName != ''">
            AND dept_name like concat('%', #{deptName}, '%')
        </if>
        <if test="status != null and status != ''">
            AND status = #{status}
        </if>
        order by d.parent_id, d.order_num
    </select>

    <select id="selectDeptListByRoleId" resultType="Long">
        select d.dept_id
        from sys_dept d
            left join sys_role_dept rd on d.dept_id = rd.dept_id
        where rd.role_id = #{roleId}
            <if test="deptCheckStrictly">
                and d.dept_id not in (select d.parent_id from sys_dept d inner join sys_role_dept rd on d.dept_id = rd.dept_id and rd.role_id = #{roleId})
            </if>
        order by d.parent_id, d.order_num
    </select>

    <update id="updateDeptChildren" parameterType="java.util.List">
        update sys_dept set ancestors =
        <foreach collection="depts" item="item" index="index"
                 separator=" " open="case dept_id" close="end">
            when #{item.deptId} then #{item.ancestors}
        </foreach>
        where dept_id in
        <foreach collection="depts" item="item" index="index"
                 separator="," open="(" close=")">
            #{item.deptId}
        </foreach>
    </update>

</mapper>