ks/target/classes/mapper/OrderDetailsMapper.xml

<?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.zt.mapper.OrderDetailsMapper">

    <resultMap id="BaseResultMap" type="com.zt.pojo.OrderDetails">
            <id property="id" column="id" jdbcType="BIGINT"/>
            <result property="orderId" column="order_id" jdbcType="BIGINT"/>
            <result property="goodsId" column="goods_id" jdbcType="BIGINT"/>
            <result property="num" column="num" jdbcType="INTEGER"/>
            <result property="price" column="price" jdbcType="DECIMAL"/>
    </resultMap>

    <sql id="Base_Column_List">
        id,order_id,goods_id,
        num,price
    </sql>
</mapper>