连接出问题了。。。。求帮忙谢谢!
class PdoMySQL{ public static $config=array();//设置连接参数,配置信息 public static $link=null;//保存数据库连接对象(连接标识符) public static $pconnect=false;//是否开启长连接 public static $dbVersion=null;//保存数据库版本 public static $connected=false;//判断是否连接成功 public static $PDOStatement=null;//保存PDOSTATEMENT对象 public static $queryStr=null;//保持最后执行的操作 public function __construct($dbConfig=''){ if(!class_exists("PDO")){ self::throw_exception('不支持PDO,请先开启'); } if(!is_array($dbConfig)){ $dbConfig=array( 'hostname'=>DB_HOST, 'username'=>DB_USER, 'password'=>DB_PWD, 'database'=>DB_NAME, 'hostport'=>DB_PORT, 'dbms'=>DB_TYPE, 'dsn'=>DB_TYPE.":hsot=".DB_HOST.";dbname=".DB_NAME ); } if(empty($dbConfig['hostname']))self::throw_exception('没有定义数据库'); self::$config=$dbConfig; if(empty($config['params']))self::$config['params']=array(); if(!isset(self::$link)){ $configs=self::$config; if(self::$pconnect){ //开启长连接,添加到配置数组中 $configs['params'][constant("PDO::ATTR_PERSISTENT")]=true; } try{ self::$link=new PDO($configs['dsn'],$configs['username'],$configs['password'],$configs['params']); }catch(PDOException $e){ self::throw_exception($e->getMessage()); } if(!self::$link){ self::throw_exception('PDO连接错误'); return false; } self::$link->exec('SET NAMES '.DB_CHARSET); self::$dbVersion=self::$link->getAttribute(constant("PDO::ATTR_SERVER_VERSION")); self::$connected=true; unset($configs); } } //得到所有记录 public static function getAll($sql=null){ if(!$sql){ self::query($sql); } $result=self::$PDOStatement->fetchAll(constant("PDO::FETCH_ASSOC")); return $result; } //释放结果集 public static function free(){ self::$PDOStatement=null; } public static function query($sql=''){ $link=self::$link; if(!link) return false; //判断之前是否有结果集,如果有的话释放结果集 if(!empty(self::$PDOStatement))self::free(); self::$queryStr=$sql; self::$PDOStatement=$link->prepare(self::$queryStr); $res=self::$PDOStatement->execute(); self::haveErrorThrowException(); return $res; } public static function haveErrorThrowException(){ $obj=empty(self::$PDOStatement)?self::$link: self::$PDOStatement; $arrError=$obj->errorInfo(); print_r($arrError); } //自定义错误处理 public static function throw_exception($errMsg){ echo '<div style="width:80%;background-color:#ABCDEF;color:black;font-size:20px 0px;"> '.$errMsg.' </div>'; } } require_once'config.php'; $PdoMySQL=new PdoMySQL; var_dump($PdoMySQL);
G:\Demo\20180718\Pdomysqlclass.php:88:object(PdoMySQL)[1]
没有显示出哪里出问题了,有大哥能看看哪里出错了吗?谢谢!