mysqli的异常处理功能？
class check{
                        private $host;
                        private $name;
                        private $paw;
                        public $res;
                        function connect($host,$name,$paw){
//                                var_dump($host,$name,$paw);exit();
                                $this->res = @new mysqli($host,$name,$paw);
                                //
                                if(!$this->res){
                                        throw new exception(mysql connect is error!);
                                }
                        }
                }
try {
                        $a = new check();
                        $a->connect(localhost,root,123jodjg);
                }catch (exception $e){
                        echo $e->getmessage();
                }
这个是代码。如果不用mysqli来做。用mysql_connect这样的函数来做就没问题的