简单使用phpqrcode 生成二维码图片

$path = ROOT_PATH; //tp项目根路径

require_once $path.'vendor/phpqrcode/phpqrcode.php'; //加载phpqrcode库

url = 'http://'._SERVER['HTTP_HOST'].'/home/index/detail?id='.$param['id'];

$value = $url; //二维码内容

$errorCorrectionLevel = 'L'; //容错级别

$matrixPointSize = 26; //生成图片大小

$filename = 'qrcode/'.microtime().'.png';

QRcode::png(value,filename , $errorCorrectionLevel, $matrixPointSize, 2);

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PHP QR Code - QR code generator, an LGPL PHP library