问题描述
下面是报错的内容
Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'class_id' in 'where clause' in D:PHPxiaopiphpstudy_proWWWlyj.comindex.php:58 Stack trace: #0 D:PHPxiaopiphpstudy_proWWWlyj.comindex.php(58): PDOStatement->execute() #1 {main} thrown in D:PHPxiaopiphpstudy_proWWWlyj.comindex.php on line 58
问题解答
回答1:翻译一下,class_id有问题吧