/** * 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['db_host']; $this->username = $database['db_user']; $this->password = $database['db_pwd']; $this->database_name = $database['db_name']; $this->database_type = $database['db_type']; $this->database_port = $database['db_port']; if($this->database_type == 'mysql'){ $this->pdo = new pdo($this->database_type . ':host=' . $this->server . ';port=' . $this->database_port . ';dbname=' . $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('set names \'' . $this->charset . '\''); self::$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。