public function qr($url,$name2,$inpath){require_once(dirname(__FILE__) . '/../../../Library/phpqrcode/phpqrcode.php');$errorCorrectionLevel = 'L';//容错级别$matrixPointSize = 10;//生成图片大小$QRcode =new \QRcode() ;$QRcode->png($url, $inpath.$name2, $errorCorrectionLevel, $matrixPointSize, 2);$logo = FALSE;//准备好的logo图片//$logo = './admin/static/picture/2.jpg';//准备好的logo图片if ($logo !== FALSE) {$QR = imagecreatefromstring(file_get_contents($name2));$logo = imagecreatefromstring(file_get_contents($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+5, $logo_height+5);}//输出图片//imagepng($name2,$name2,'','');
}

1 .phpqrcode类库 下载地址

PHP QR Code download | SourceForge.net