replace INTO customer_contrast (codeContrastId,userId,customerId) values ( #{codeContrastId}, #{userId}, #{customerId} ) replace INTO customer_contrast (codeContrastId,userId,customerId) VALUES ( #{item.codeContrastId}, #{item.userId}, #{item.customerId} ) delete from customer_contrast where customerId = #{customerId} and codeContrastId = #{codeContrastId}