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/SysRoleMenuMapper.xml

@@ -1,27 +1,7 @@
<?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">
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ruoyi.system.mapper.SysRoleMenuMapper">

   <resultMap type="SysRoleMenu" id="SysRoleMenuResult">
      <result property="roleId"     column="role_id"      />
      <result property="menuId"     column="menu_id"      />
   </resultMap>
	
   <select id="checkMenuExistRole" resultType="Integer">
       select count(1) from sys_role_menu where menu_id = #{menuId}
   </select>

   <delete id="deleteRoleMenuByRoleId" parameterType="Long">
      delete from sys_role_menu where role_id=#{roleId}
   </delete>
	
   <insert id="batchRoleMenu">
      insert into sys_role_menu(role_id, menu_id) values
      <foreach item="item" index="index" collection="list" separator=",">
         (#{item.roleId},#{item.menuId})
      </foreach>
   </insert>
	
</mapper> 
</mapper>