www.gusucode.com > wxApp PHP版微信小程序CMS系统 v1.0PHP源码程序 > wxApp PHP版微信小程序CMS系统 v1.0/wxAppCMS_v1.0.0/wxAppCMS_v1.0.0/app/plugin/plugin_QRcode.class.php
<?php /** * iCMS - i Content Management System * Copyright (c) 2007-2017 iCMSdev.com. All rights reserved. * * @author icmsdev <master@icmsdev.com> * @site https://www.icmsdev.com * @licence https://www.icmsdev.com/LICENSE.html */ class plugin_QRcode { /** * [插件:生成二维码] * @param [type] $content [参数] */ public static function HOOK($content,$output=false) { plugin::init(__CLASS__); plugin::library('phpqrcode'); if($output){ //text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) $margin = 2; $size = 4; $frame = QRcode::text($content, false, 'L', $size, $margin); $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($frame)+2*$margin)); // QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint); $pixelPerPoint = min(max(1, $size), $maxSize); //png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) $im = QRimage::image($frame, $pixelPerPoint, $margin); ob_start(); imagepng($im); $image = ob_get_contents(); ob_clean(); return $image; } $expires = 86400; header("Cache-Control: maxage=" . $expires); header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT'); header('Expires: ' . gmdate('D, d M Y H:i:s', time() + $expires) . ' GMT'); header('Content-type: image/png'); $filepath = false; if (isset($_GET['QRcode_cache'])) { $name = substr(md5($content), 8, 16); $filepath = iPHP_APP_CACHE . '/QRcode.' . $name . '.png'; } is_file($filepath) OR QRcode::png($content, $filepath, 'L', 4, 2); $filepath && $content = readfile($filepath); return $content; } }