MySQL錯誤：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND Company_SN =692 AND Product_IsShow = 1 AND Product_SN != 0 ORDER BY RAND() L' at line 1 SQL指令：SELECT * FROM `Product` WHERE Product_Site_Classify_SN = AND Company_SN =692 AND Product_IsShow = 1 AND Product_SN != 0 ORDER BY RAND() LIMIT 15