1.批量新增
<insert id="insertBatch" parameterType="java.util.List"> insert into th_shopping_Cart (itemCode, userId, number) values <foreach collection="list" item="item" index="index" separator=","> (#{item.itemCode},#{item.userId},#{item.number}) </foreach> </insert>
2.批量修改
<update id="updateBatch" parameterType="java.util.List"> <foreach collection="list" item="item" index="index" open="" close="" separator=";"> update th_shopping_Cart <set> number=${item.number} </set> where userId='${item.userId}' and itemCode='${item.itemCode}' </foreach> </update>
3.批量删除
<delete id="deleteBatch" parameterType="java.util.List"> delete from th_shopping_Cart where userId =#{userId} <if test="null!=list and list.size > 0"> and itemCode in <foreach collection="list" item="item" index="index" open="(" close=")" separator=","> #{item.itemCode} </foreach> </if> </delete>