PHP生成二维码,个人认为最常用的有两种,1.使用google的api生成,2.使用PHP QR Code生成,两种方法生成的二维码都是很清淅的,效果不错。下面来分别说明这两种方法如何实现。
一、PHP使用google api在线生成二维码:
关于这个API的介绍就不说了吧,你可以去Google的官方网站查询,相信大家关注的是具体代码,如下:
1
2$urlToEncode="http://www.csdn.net";//要生成二维码的网址
3generateQRfromGoogle($urlToEncode);
4function generateQRfromGoogle($chl,$widhtHeight ='150',$EC_level='L',$margin='0')
5{
6 $url = urlencode($url);
7 echo '
';//Google API接口,若失效可到Google网址查询最新接口
8}
9?>
二、使用PHP QR Code生成二维码:
1
2include "phpqrcode.php";//引入PHP QR库文件
3$value="http://www.csdn.net";
4$errorCorrectionLevel = "L";
5$matrixPointSize = "4";
6QRcode::png($value, false, $errorCorrectionLevel, $matrixPointSize);
7exit;
8?>
PHP QR Code是一个开源的php二维码开源类库,基于libqrencode C库,并提供API代码创建QR条码图像,支持png、jpg格式。若没有这个库,可在此下载:PHP QR Code二维码生成库

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