bjtu_order/build/classes/com/mapper/OrderitemMapper.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.mapper.OrderitemMapper">
	<select id="findOrderitemList" 
		resultType="Orderitem">
		select * from orderitem 
	</select>
	
	<select id="query" parameterType="java.util.Map" resultType="Orderitem">
		select * from orderitem  
		<where>
			<if test="orderitemId!=null and orderitemId!=0">
			   and orderitemId= #{orderitemId}
			</if>
			<if test="orderId!=null and orderId!=0">
			   and orderId= #{orderId}
			</if>
			
		</where>
	</select>
	
	
	<select id="queryOrderitemById" parameterType="int" resultType="Orderitem">
		select * from orderitem where orderitemId=${value}
	</select>
 


	<insert id="insertOrderitem" useGeneratedKeys="true" keyProperty="id" parameterType="Orderitem">
		insert into orderitem
		(orderId,goodsId,goodsQuantity)
		values
		(#{orderId},#{goodsId},#{goodsQuantity});
	</insert>
 
	
  
 
 
 



	<update id="updateOrderitem" parameterType="Orderitem" >
		update orderitem set
	 orderId=#{orderId},goodsId=#{goodsId},goodsQuantity=#{goodsQuantity}
		where
		orderitemId=#{orderitemId}
	</update>
	
 
	
	<delete id="deleteOrderitem" parameterType="int">
	    delete from  orderitem where orderitemId=${value}
	</delete>
	
 

</mapper>