PHP 异常与错误 笔记与总结（18 ）页面重定向实现

 1 <?php 2 header('content-type:text/html; charset=utf-8'); 3  4 class ExceptionRedirectHandler{ 5  6     protected $_exception; 7     protected $redirect = '404.html'; 8     protected $_logFile = 'D:/practise/php/Error/LogException3.log'; 9 10     //构造函数中得到异常对象11     public function __construct(Exception $e){12         $this->_exception = $e;13     }14 15     public static function handle(Exception $e){16         $self = new self($e);17         $self->log();18         //清除所有的输出缓冲19         while(@ob_end_clean());20         header('HTTP/1.1 307 Temporary Rediret');21         header('Cache-Control:no-cache, must-revalidate');22         header('Expires: Sun, 05 Jul 2015 22:36:42 GMT');23         header('Location:'.$self->redirect);24         exit(1);25     }26 27     public function log(){28         error_log($this->_exception->getMessage().PHP_EOL, 3, $this->_logFile);29     }30 }31 32 set_exception_handler(array('ExceptionRedirectHandler', 'handle'));33 34 //测试35 $conn = mysql_connect('localhost', 'root', 'root123');36 if(!$conn){37     throw new Exception("数据库连接失败");38     39 }