src/com/javapandeng/mapper/OrderDetailMapper.xml

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?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">
<mapper namespace="com.javapandeng.mapper.OrderDetailMapper">
    <!--实体类与数据库映射字段部分-->
    <resultMap id="ResultMapOrderDetail" type="com.javapandeng.po.OrderDetail">
        <result property="id" column="id" jdbcType="INTEGER"/>
        <result property="itemId" column="item_id" jdbcType="INTEGER"/>
        <result property="orderId" column="order_id" jdbcType="INTEGER"/>
        <result property="status" column="status" jdbcType="INTEGER"/>
        <result property="num" column="num" jdbcType="INTEGER"/>
        <result property="total" column="total" jdbcType="VARCHAR"/>
    </resultMap>

    <resultMap id="ResultMapOrderDetailDto" type="com.javapandeng.po.OrderDetail">
        <result property="id" column="id" jdbcType="INTEGER"/>
        <result property="itemId" column="item_id" jdbcType="INTEGER"/>
        <result property="orderId" column="order_id" jdbcType="INTEGER"/>
        <result property="status" column="status" jdbcType="INTEGER"/>
        <result property="num" column="num" jdbcType="INTEGER"/>
        <result property="total" column="total" jdbcType="VARCHAR"/>
        <association property="item" column="item_id" select="com.javapandeng.mapper.ItemMapper.load"/>
    </resultMap>

    <!-- 声明数据库字段 -->
    <sql id="OrderDetail_field">
        id,item_id,order_id,status,num,total
    </sql>

    <!-- 实体类属性-->
    <sql id="OrderDetail_insert">
        #{id},#{itemId},#{orderId},#{status},#{num},#{total}
    </sql>

    <!-- 更新结果  -->
    <sql id="OrderDetail_update">
        <if test="itemId != null">
            item_id = #{itemId},
        </if>
        <if test="orderId != null">
            order_id = #{orderId},
        </if>
        <if test="status != null">
            status = #{status}
        </if>
        <if test="num != null">
            num = #{num},
        </if>
        <if test="total != null">
            total = #{total},
        </if>

    </sql>

    <!-- 查询时条件   -->
    <sql id="OrderDetail_where">
        <if test="id != null">
            and id = #{id}
        </if>
        <if test="itemId != null">
            and item_id = #{itemId}