PHP生成二维码带图标代码实例(PHP QR Code二维码生成类库)
- public static function png($text, $outfile=false, $level=QR_ECLEVEL_L, $size=3, $margin=4,
- $saveandprint=false)
- {
- $enc = QRencode::factory($level, $size, $margin);
- return $enc->encodePNG($text, $outfile, $saveandprint=false);
- }
简易示例:
- include 'phpqrcode.php';
- QRcode::png('https://www.cuplayer.com');
带LOGO水印的二维码:
- include 'phpqrcode.php';
- $value = 'https://www.cuplayer.com'; //二维码内容
- $qr_eclevel = 'H';//容错级别
- $picsize = 6;//生成图片大小
- QRcode::png($value, 'qrcode.png', $qr_eclevel, $picsize);//生成二维码图片
- $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, 'myxzy.png');
- echo '
'; - ?>
