微信开发之二维码生成类

微信开发之二维码生成类
这篇文章主要介绍了PHP微信开发之二维码生成类,本文使用微信接口实现二维码的生成,并直接给出示例代码,需要的朋友可以参考下

这篇文章主要介绍了php微信开发之二维码生成类,本文使用微信接口实现二维码的生成,并直接给出示例代码,需要的朋友可以参考下

<?php/** * Created by PhpStorm. * User: bin * Date: 15-1-16 * Time: 上午9:48 */namespace Home\Common;// 微信处理类set_time_limit(30);class Weixin{ //构造方法 static $qrcode_url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?"; static $token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&"; static $qrcode_get_url = "https://mp.weixin.qq.com/cgi-bin/showqrcode?"; //生成二维码 public function getEwm($wechatid,$fqid,$type = 1){ $wechat = M(&#39;Member_public&#39;)->where(array(&#39;id&#39;=> $wechatid))->find(); $appid = $wechat[&#39;appid&#39;]; $secret = $wechat[&#39;secret&#39;]; $ACCESS_TOKEN = $this->getToken($appid,$secret); $url = $this->getQrcodeurl($ACCESS_TOKEN,$fqid,1); return DownLoadQr($url,time()); } protected function getQrcodeurl($ACCESS_TOKEN,$fqid,$type = 1){ $url = self::$qrcode_url.&#39;access_token=&#39;.$ACCESS_TOKEN; if($type == 1){ //生成永久二维码 $qrcode= &#39;{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": &#39;.$fqid.&#39;}}}&#39;; }else{ //生成临时二维码 $qrcode = &#39;{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": &#39;.$fqid.&#39;}}}&#39;; } $result = $this->http_post_data($url,$qrcode); $oo = json_decode($result[1]); if(!$oo->ticket){ $this->ErrorLogger(&#39;getQrcodeurl falied. Error Info: getQrcodeurl get failed&#39;); exit(); } $url = self::$qrcode_get_url.&#39;ticket=&#39;.$oo->ticket.&#39;&#39;; return $url; } protected function getToken($appid,$secret){ $ACCESS_TOKEN = file_get_contents(self::$token_url."appid=$appid&secret=$secret"); $ACCESS_TOKEN = json_decode($ACCESS_TOKEN); $ACCESS_TOKEN = $ACCESS_TOKEN->access_token; return $ACCESS_TOKEN; } protected function http_post_data($url, $data_string) { $ch = curl_init(); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string); curl_setopt($ch, CURLOPT_HTTPHEADER, array( &#39;Content-Type: application/json; charset=utf-8&#39;, &#39;Content-Length: &#39; . strlen($data_string)) ); ob_start(); curl_exec($ch); if (curl_errno($ch)) { $this->ErrorLogger(&#39;curl falied. Error Info: &#39;.curl_error($ch)); } $return_content = ob_get_contents(); ob_end_clean(); $return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); return array($return_code, $return_content); } //下载二维码到服务器 protected function DownLoadQr($url,$filestring){ if($url == ""){ return false; } $filename = $filestring.&#39;.jpg&#39;; ob_start(); readfile($url); $img=ob_get_contents(); ob_end_clean(); $size=strlen($img); $fp2=fopen(&#39;./Uploads/qrcode/&#39;.$filename,"a"); if(fwrite($fp2,$img) === false){ $this->ErrorLogger(&#39;dolwload image falied. Error Info: 无法写入图片&#39;); exit(); } fclose($fp2); return &#39;./Uploads/qrcode/&#39;.$filename; } private function ErrorLogger($errMsg){ $logger = fopen(&#39;./ErrorLog.txt&#39;, &#39;a+&#39;); fwrite($logger, date(&#39;Y-m-d H:i:s&#39;)." Error Info : ".$errMsg."\r\n"); }}