update 优化 利用 resultMap 自动映射配置 简化 xml (非嵌套)

疯狂的狮子Li

2023-01-14 5911e94b65e45c98c81f64928232b5d8f824a19b

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

@@ -4,48 +4,10 @@
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.system.mapper.SysUserRoleMapper">

    <resultMap type="SysUserRole" id="SysUserRoleResult">
        <result property="userId" column="user_id"/>
        <result property="roleId" column="role_id"/>
    </resultMap>

    <delete id="deleteUserRoleByUserId" parameterType="Long">
        delete
        from sys_user_role
        where user_id = #{userId}
    </delete>

    <select id="countUserRoleByRoleId" resultType="Integer">
        select count(1)
        from sys_user_role
        where role_id = #{roleId}
    <select id="selectUserIdsByRoleId" resultType="Long">
        select u.user_id from sys_user u
        inner join sys_user_role sur
            on u.user_id = sur.user_id and sur.role_id = #{roleId}
    </select>

    <delete id="deleteUserRole" parameterType="Long">
        delete from sys_user_role where user_id in
        <foreach collection="array" item="userId" open="(" separator="," close=")">
            #{userId}
        </foreach>
    </delete>

    <insert id="batchUserRole">
        insert into sys_user_role(user_id, role_id) values
        <foreach item="item" index="index" collection="list" separator=",">
            (#{item.userId},#{item.roleId})
        </foreach>
    </insert>

    <delete id="deleteUserRoleInfo" parameterType="SysUserRole">
        delete
        from sys_user_role
        where user_id = #{userId}
          and role_id = #{roleId}
    </delete>

    <delete id="deleteUserRoleInfos">
        delete from sys_user_role where role_id=#{roleId} and user_id in
        <foreach collection="userIds" item="userId" open="(" separator="," close=")">
            #{userId}
        </foreach>
    </delete>
</mapper> 
</mapper>