phptrycatch:捕捉异常,抛出异常

/**     
* 构造函数：自动加载连接数据库     
* @param  $database  $key     
* @return       
*/    
private function __construct($database = array(), $key){
        try{
            $this->server = $database[&＃39;db_host&＃39;];            
            $this->username = $database[&＃39;db_user&＃39;];            
            $this->password = $database[&＃39;db_pwd&＃39;];            
            $this->database_name = $database[&＃39;db_name&＃39;];            
            $this->database_type = $database[&＃39;db_type&＃39;];            
            $this->database_port = $database[&＃39;db_port&＃39;];            
            if($this->database_type == &＃39;mysql&＃39;){                
            $this->pdo = new PDO($this->database_type . &＃39;:host=&＃39; . 
            $this->server . &＃39;;port=&＃39; . 
            $this->database_port                     . &＃39;;dbname=&＃39; . 
            $this->database_name, 
            $this->username,
            $this->password, array(PDO::ATTR_TIMEOUT => self::TIME_OUT));            
            }else{            
            $this->pdo = new PDO ("dblib:host=$this->server:$this->database_port;
            dbname=$this->database_name","$this->username","$this->password");            
            }            
            $this->pdo->exec(&＃39;SET NAMES \&＃39;&＃39; . $this->charset . &＃39;\&＃39;&＃39;);            
            self::$pdo_ref[$key] = &$this->pdo;                       
            }catch(PDOException $e){            
            echo $e->getMessage();        
            }    
            }

以上就介绍了php try catch : 捕捉异常,抛出异常，包括了方面的内容，更多相关内容请关注PHP中文网（www.php1.cn）！