jzg/tenant/organization/src/main/resources/mapper/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.jzg.organization.mapper.SysDeptMapper">
    <select id="getMaxId" resultType="java.lang.String">
        SELECT IFNULL(MAX(id), 0) maxid
        FROM `sys_dept`
        WHERE parent_id = #{deptId}
        <if test='comLevel != null and comLevel != ""'>
            and comlevel = #{comlevel}
        </if>
    </select>

    <select id="selectDeptList" resultType="com.jzg.organization.entity.po.SysDept">
        select
        <if test="ew.getSqlSelect != null">
            ${ew.getSqlSelect}
        </if>
        <if test="ew.getSqlSelect == null">
            *
        </if>
        from sys_dept ${ew.getCustomSqlSegment}
    </select>
</mapper>