PHP Database Link class (pdo+access) instance

  This article mainly introduces the PHP database link class (pdo+access), the need for friends can refer to the

PHP PDO Access links   code as follows: Class Dbhelpclass     {        private $conn;         Private $qxId;         private $ret;           function __construct ()         {            $path = ". /.. /app_data/sd#f#45g_!. MDB ";             $CONSTR = "Driver={microsoft Access DRIVER (*.mdb)}; Dbq= ". Realpath ($path);              $this->conn= new PDO (" ODBC: $constr ") or Die (" PD O Connection faild. ");           {         /* Read/     /  function read ($ SQL, $params =array ())         {            $bind = $this->conn->prep Are ($sql);             $arrKeys =array_keys ($params);             foreach ($arrKeys as $row)             {                $bind->bindvalue (":". $row, $params [$row]);                         $bind->execute () or Die (' SQL Erro R: '. $sql);             $result = $bind->fetchall ();               return $result;        }          /* Add, modify to call this method * *         function Edit ($sql, $params =array ())         {            $bind = $this->CONN->PR Epare ($sql);             $arrKeys =array_keys ($params);             foreach ($arrKeys as $row)             {  &NB Sp             $bind->bindvalue (":" $row, $params [$row]);               {            $a = $bind->execute () or Die (' SQL error ');             return $a;        }     {    $DBH =new dbhelpclass ();