mybatis 嵌套查询子查询column传多个参数描述

mybatis 嵌套查询子查询column传多个参数如下:

1、图解

2、代码示例

备注：注意，相同颜色的单词都是有关联的。

<resultMap id="blogResult" type="Blog">

<association property="author" column="{id=author_id,likename=author_name}" javaType="Author" select="selectAuthor"/>

</resultMap>

<select id="selectBlog" resultMap="blogResult" parameterType="java.lang.String">

SELECT author_id,author_name FROM BLOG WHERE ID = #{id}

</select>

<select id="selectAuthor" resultType="Author" parameterType="java.util.HashMap">

SELECT * FROM AUTHOR WHERE 1=1

<if test="id != null and id != ‘‘ ">

and ID = #{id}

</if>

<if test="likename != null and likename != ‘‘ ">

and name like CONCAT(‘%‘,#{likename},‘%‘)

</if>

</select>

参考网址: http://mybatis.github.io/mybatis-3/zh/sqlmap-xml.html#Result_Maps