mybatis 嵌套查询子查询column传多个参数描述
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 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>