Thinkphp3.2.3 integriert phpqrcode, um die gemeinsame Nutzung von QR-Code-Beispielcodes zu generieren

public function qrcode($url="www.baidu.com",$level=3,$size=4)
    {
              Vendor('phpqrcode.phpqrcode');              
              $errorCorrectionLevel =intval($level) ;//容错级别 
              $matrixPointSize = intval($size);//生成图片大小 
             //生成二维码图片 
              $object = new \QRcode();              
              $object->png($url, false, $errorCorrectionLevel, $matrixPointSize, 2);   
    }

include 'phpqrcode.php';    
$value = 'http://www.cnblogs.com/txw1958/'; 
//二维码内容   
$errorCorrectionLevel = 'L';//容错级别   
$matrixPointSize = 6;//生成图片大小   //生成二维码图片   
QRcode::png($value, 'qrcode.png', $errorCorrectionLevel, $matrixPointSize, 2);   
$logo = 'logo.png';//准备好的logo图片   
$QR = 'qrcode.png';//已经生成的原始二维码图   
if ($logo !== FALSE) {   
    $QR = imagecreatefromstring(file_get_contents($QR));   
    $logo = imagecreatefromstring(file_get_contents($logo));   
    $QR_width = imagesx($QR);//二维码图片宽度   
    $QR_height = imagesy($QR);//二维码图片高度   
    $logo_width = imagesx($logo);//logo图片宽度   
    $logo_height = imagesy($logo);//logo图片高度   
    $logo_qr_width = $QR_width / 5;   
    $scale = $logo_width/$logo_qr_width;   
    $logo_qr_height = $logo_height/$scale;   
    $from_width = ($QR_width - $logo_qr_width) / 2;   
    //重新组合图片并调整大小   
    imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width,   
    $logo_qr_height, $logo_width, $logo_height);   
}   
//输出图片   imagepng($QR, 'helloweixin.png');   
echo &#39;<img src="helloweixin.png">&#39;;