acl_tousu/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.nokia.dao.UserDao">
    <resultMap id="UserResultMap" type="com.nokia.pojo.User">
        <id column="user_id" property="userId"></id>
        <result column="login_name" property="loginName" />
        <result column="user_name" property="userName" />
        <result column="phone" property="phone" />
        <result column="email" property="email" />
        <result column="city_id" property="cityId" />
        <result column="district" property="district" />
        <association property="city" column="city_id">
            <id column="city_id" property="cityId"></id>
            <result column="city_name_zh" property="cityNameZh" />
            <result column="city_name_en" property="cityNameEn" />
            <result column="ord" property="ord" />
            <result column="province" property="province" />
        </association>
        <collection property="roles" resultMap="RoleResultMap" />
    </resultMap>

    <resultMap id="RoleResultMap" type="com.nokia.pojo.Role">
        <id column="role_id" property="roleId"></id>
        <result column="role_name" property="roleName" />
        <result column="system" property="system" />
        <collection property="cities" ofType="int">
            <result column="role_city_id" property="cityId" />
        </collection>
    </resultMap>

    <select id="getRoleCityByUserId" resultMap="RoleResultMap">
        select ar.role_id, ar.role_name, ar."system", aurc.city_id as role_city_id
          from sqmdb_rpt.acl_role ar, sqmdb_rpt.acl_user_role_city aurc
          where ar.role_id = aurc.role_id and aurc.user_id = #{userId}
    </select>

    <select id="getByLoginName2" resultMap="UserResultMap">
        select au.user_id, au.login_name, au.user_name, au.phone, au.email, au.city_id, ac.city_name_zh, ac.city_name_en, ac.ord, ac.province,
          au.district, ar.role_id, ar.role_name, ar."system", aurc.city_id as role_city_id
          from sqmdb_rpt.acl_user au, sqmdb_rpt.acl_role ar, sqmdb_rpt.acl_user_role_city aurc, sqmdb_rpt.acl_city ac
          where au.user_id = aurc.user_id and ar.role_id = aurc.role_id and au.city_id = ac.city_id and au.login_name = #{loginName}
    </select>
</mapper>