Mybatis分页查询主从表的实现示例

    <resultMap id="Hdr" type="com.Hdr">
        <id column="crh_id" property="id" javaType="int"/>
        
       <collection property="DtlList" 
        			select="queryAllRmdDetail" 
			        column="crh_id" 
			        fetchType="eager">
       </collection>
    </resultMap>

    <resultMap id="Dtl" type="com.Dtl">

    </resultMap>   

 <select id="queryByCondition"  parameterType="String" resultMap="Hdr">

  </select>

    <select id="queryAllDetail" parameterType="int" resultMap="Dtl">
		SELECT * FROM biz_dtl WHERE crh_id = #{id}
	</select>

<resultMap id="blogResult" type="Blog">
  <id property="id" column="blog_id" />
  <result property="title" column="blog_title"/>
  <collection property="posts" 
    ofType="Post" 
    resultMap="blogPostResult" 
    columnPrefix="post_"/>
</resultMap>

 
<resultMap id="blogPostResult" type="Post">
  <id property="id" column="id"/>
  <result property="subject" column="subject"/>
  <result property="body" column="body"/>
</resultMap>