PHP下通过QRCode类库创建中间带网站LOGO的二维码
这篇文章主要介绍了用php中QRCode类库创建中间带LOGO的二维码,QRcode生成二维码的实例代码,有需要的朋友可以参考下
我们要生成二维码都需要借助一些类库来实现了,下面我介绍利用PHP QR Code生成二维码吧,生成方法很简单,下面我来介绍一下.
利用php类库PHP QR Code来实现,不需要装额外的php扩展,首先下载类库包,有时候地址打不开,地址:
下载:
国内下载:
国外下载:
例子,使用PHP QR Code类库创建二维码。
1,浏览器输出:
2,,文件输出二维码
include('phpqrcode/phpqrcode.php'); // 二维码数据 $data = 'http://www.jbxue.com'; // 生成的文件名 $filename = '1111.png'; // 纠错级别:L、M、Q、H $errorCorrectionLevel = 'L'; // 点的大小:1到10 $matrixPointSize = 4; QRcode::png($data, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
3,生成中间带logo的二维码
"; $logo = 'logo.png'; $QR = 'xiangyang.png'; if($logo !== FALSE) { $QR = imagecreatefromstring(file_get_contents($QR)); $logo = imagecreatefromstring(file_get_contents($logo)); $QR_width = imagesx($QR); $QR_height = imagesy($QR); $logo_width = imagesx($logo); $logo_height = imagesy($logo); $logo_qr_width = $QR_width / 5; $scale = $logo_width / $logo_qr_width; $logo_qr_height = $logo_height / $scale; $from_width = ($QR_width - $logo_qr_width) / 2; imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height); } imagepng($QR,'xiangyanglog.png'); ?>

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