directory_separatorzend框架提示如下错误是怎么回事 - 技术问答

C语言中这样使用enum是什么作用？

定义一堆不重读的常量标志～ 一般这样定义只做标志 不关心他的实际值是多少 具体用法就是 flag= BINARY_FILES_OPTION; 就可以 if(flag==BINARY_FILES_OPTION) switch(flag) { case BINARY_FILES_OPTION: ......................... } 之类都可以

zend框架提示如下错误是怎么回事 - 技术问答

3# 我把他删除了，还是提示错误 Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'The PDO extension is required for this adapter but the extension is not loaded' in E:\AppServ\www\booksystem\library\Zend\Db\Adapter\Pdo\Abstract.php:107 Stack trace: #0 E:\AppServ\www\booksystem\library\Zend\Db\Adapter\Abstract.php(417): Zend_Db_Adapter_Pdo_Abstract->_connect() #1 E:\AppServ\www\booksystem\library\Zend\Db\Adapter\Pdo\Abstract.php(230): Zend_Db_Adapter_Abstract->query('set names GBK', Array) #2 E:\AppServ\www\booksystem\index.php(41): Zend_Db_Adapter_Pdo_Abstract->query('set names GBK') #3 {main} thrown in E:\AppServ\www\booksystem\library\Zend\Db\Adapter\Pdo\Abstract.php on line 107