INSERT INTO cm_product_userlike (userID, productID, userLike, likeTime) VALUES (#{userId}, #{productId}, 1, now()) UPDATE cm_product_userlike SET userLike=#{userLike}, likeTime=now() WHERE userID = #{userId} AND productID = #{productId} UPDATE cm_product_userlike SET userLike=#{userLike} WHERE userID = #{userId} AND productID = #{productId}