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15、PHP QR Code 条形码和二维码生成类库

WBOY
Release: 2016-06-20 12:47:09
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例子:

    //生成带logo的二维码图片
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<?php    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 '<img  src="helloweixin.png" alt="15、PHP QR Code 条形码和二维码生成类库" >';
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