<resultMap id="XX" type="com.XXX.XXXX">    <id column="o_id" jdbcType="BIGINT" property="id" />    <result column="o_user_id" jdbcType="BIGINT" property="userId" />    ....    <collection property="orderProductList" ofType="com.XXXXXX.XXXXX">      <id column="p_id" jdbcType="BIGINT" property="id" />      <result column="p_order_id" jdbcType="BIGINT" property="orderId" />      ....    </collection>  </resultMap>

<select id="XXX" resultMap="OrderListMap">    SELECT    you.nick_name,    yo.id o_id,    yo.user_id o_user_id    FROM    (    SELECT * FROM    youpin_order    WHERE    1 = 1    <if test="status != null">      and `status` = #{status}    </if>    <if test="page != null and limit != null">    LIMIT #{page},    #{limit}    </if>    ) yo    LEFT JOIN XXX yop ON yo.id = yop.order_id    LEFT JOIN XXXX you ON yo.user_id = you.id  </select>