PHP数据库链接类(PDO+Access)实例分享

php pdo access链接

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 ("pdo connection faild.");

        }

        /*读取*/
        function read($sql,$params=array())
        {
            $bind=$this->conn->prepare($sql);
            $arrkeys=array_keys($params);
            foreach($arrkeys as $row)
            {
                $bind->bindvalue(":".$row,$params[$row]);
            }
            $bind->execute() or die('sql error:'.$sql);
            $result=$bind->fetchall();

            return $result;
        }

        /*添加,修改需调用此方法*/
        function edit($sql,$params=array())
        {
            $bind=$this->conn->prepare($sql);
            $arrkeys=array_keys($params);
            foreach($arrkeys as $row)
            {
                $bind->bindvalue(":".$row,$params[$row]);

            }

            $a=$bind->execute() or die('sql error');
            return $a;
        }
    }
    $dbh =new dbhelpclass();