function qrcode($text=""){
    //include(realpath('D:\phpStudy\WWW\phpqrcode\qrlib.php'));
    //include(realpath('D:\phpStudy\WWW\phpqrcode\phpqrcode.php'));
    vendor("phpqrcode.phpqrcode");
     $data = $text;
     $filename =dirname( dirname(dirname( dirname( __FILE__ ) )) )."\Uploads\qrcode\z"
         .md5($data).".png";
     $errorCorrectionLevel = 'L';
     $matrixPointSize = 2;
     $margin = 5;
    // import("Common.Extend.phppqrcode",'phpqrcode','.php');
    QRcode::png($data, $filename, $errorCorrectionLevel, $matrixPointSize, $margin);
    return "/Uploads/qrcode/z".md5($data).".png";
}

//生成二维码
        $text= "http://".I( 'server.HTTP_HOST' ).'/Home/Login/register?id='.$userData['ue_id'];
        $erweima=qrcode($text);
        $this->assign('erweima',$erweima);