微信二维码 场景二维码 用于推送事件,关注等 注册用户 ,经过测试
/** * Created by PhpStorm. * User: Administrator * Date: 2015-10-01 * Time: 15:41 */ /** * * Created by PhpStorm. * * User: bin * * Date: 15-1-16 * * Time: 上午9:48 * */ //根据网上的代码 改写 不需要<span style="color: rgb(51, 51, 51); font-family: Simsun; font-size: 14px; line-height: 22px;"><span style="color: rgb(128, 0, 128);">openssl </span></span>支持和 libconv 支持 //namespace HomeCommon; // 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 $qrcode_get_url = "https://mp.weixin.qq.com/cgi-bin/showqrcode?"; //生成二维码 //$wechat = array('appid'=>'','secret'=>'' ); public function getEwm($wechat, $fqid, $type = 1) { //$wechat = array('appid'=>'','secret'=>'' ); $appid = $wechat['appid']; $secret = $wechat['secret']; $ACCESS_TOKEN = $this->getToken($appid, $secret); $url = $this->getQrcodeurl($ACCESS_TOKEN, $fqid, 1); return $this->DownLoadQr($url, time()); } protected function getQrcodeurl($ACCESS_TOKEN, $fqid, $type = 1) { $url = self::$qrcode_url . 'access_token=' . $ACCESS_TOKEN; //echo $url; if ($type == 1) { //生成永久二维码 $qrcode = '{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": ' . $fqid . '}}}'; } else { //生成临时二维码 $qrcode = '{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": ' . $fqid . '}}}'; } $result = $this->http_post_data($url, $qrcode); //print_r($result); $oo = json_decode($result[1]); if (!$oo->ticket) { $this->ErrorLogger('getQrcodeurl falied. Error Info: getQrcodeurl get failed'); exit(); } $url = self::$qrcode_get_url . 'ticket=' . $oo->ticket . ''; return $url; } protected function getToken($appid, $secret) { //echo self::$token_url . "appid=$appid&secret=$secret"; $ACCESS_TOKEN = $this->curl_get_contents(self::$token_url . "appid=$appid&secret=$secret"); $ACCESS_TOKEN = json_decode($ACCESS_TOKEN); if($ACCESS_TOKEN){ //print_r($ACCESS_TOKEN); $ACCESS_TOKEN = $ACCESS_TOKEN->access_token; }else{ $ACCESS_TOKEN = ''; } return $ACCESS_TOKEN; } protected function http_post_data($url, $data_string) { //echo $url; //echo $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_FOLLOWLOCATION,1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOPT_HTTPHEADER, array( 'Content-Type: application/json; charset=utf-8', 'Content-Length: ' . strlen($data_string)) ); //echo curl_exec($ch); ob_start(); echo curl_exec($ch); if (curl_errno($ch)) { $this->ErrorLogger('curl falied. Error Info: ' . curl_error($ch)); } $return_content = ob_get_contents(); ob_end_clean(); //exit(); $return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); //注意curl_getinfo 要在curl_exec 后面运行,否则都返回0 //echo $return_code; return array($return_code, $return_content); } //下载二维码到服务器 protected function DownLoadQr($url, $filestring) { echo '二维码 url' . $url; if ($url == "") { return false; } $filename = $filestring . '.jpg'; //ob_start(); //echo readfile($url); //$img = ob_get_contents(); //ob_end_clean(); //$size = strlen($img); $img = $this->curl_get_contents($url); $size = strlen($img); $fp2 = fopen('./' . $filename, "a"); if (fwrite($fp2, $img) === false) { $this->ErrorLogger('dolwload image falied. Error Info: 无法写入图片'); exit(); } fclose($fp2); return './' . $filename; //./Uploads/qrcode/ } private function ErrorLogger($errMsg) { $logger = fopen('./ErrorLog.txt', 'a+'); fwrite($logger, date('Y-m-d H:i:s') . " Error Info : " . $errMsg . "rn"); } protected function curl_get_contents($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_TIMEOUT, 3); curl_setopt($ch, CURLOPT_USERAGENT, ''); curl_setopt($ch, CURLOPT_REFERER,''); @curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); $r = curl_exec($ch); curl_close($ch); return $r; } } // 演示代码 $weixinerwe = new Weixin(); echo $weixinerwe->getEwm( array('appid'=>'','secret'=>'' ), 10000); //http://weixin.qq.com/q/aj8LDoLm9L_NGznHoxOY /* * * 一、场景二维码 为了满足用户渠道推广分析的需要,公众平台提供了生成带参数二维码的接口。使用该接口可以获得多个带不同场景值的二维码,用户扫描后,公众号可以接收到事件推送。 目前有2种类型的二维码,分别是临时二维码和永久二维码,前者有过期时间,最大为1800秒,但能够生成较多数量,后者无过期时间,数量较少(目前参数只支持1--100000)。两种二维码分别适用于帐号绑定、用户来源统计等场景。 用户扫描带场景值二维码时,可能推送以下两种事件: 如果用户还未关注公众号,则用户可以关注公众号,关注后微信会将带场景值关注事件推送给开发者。 如果用户已经关注公众号,在用户扫描后会自动进入会话,微信也会将带场景值扫描事件推送给开发者。 获取带参数的二维码的过程包括两步,首先创建二维码ticket,然后凭借ticket到指定URL换取二维码。 二、创建二维码ticket 每次创建二维码ticket需要提供一个开发者自行设定的参数(scene_id),分别介绍临时二维码和永久二维码的创建二维码ticket过程。 临时二维码请求说明 http请求URL https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=TOKEN POST数据格式 1 { 2 "expire_seconds": 1800, 3 "action_name": "QR_SCENE", 4 "action_info": { 5 "scene": { 6 "scene_id": 100000 7 } 8 } 9 } 返回格式: { "ticket": "gQFK8DoAAAAAAAAAASxodHRwOi8vd2VpeGluLnFxLmNvbS9xL3kweXE0T3JscWY3UTltc3ZPMklvAAIEG9jUUgMECAcAAA==", "expire_seconds": 1800 } 永久二维码请求说明 http请求URL https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=TOKEN POST数据格式 { "action_name": "QR_LIMIT_SCENE", "action_info": { "scene": { "scene_id": 1000 } } } 返回格式 { "ticket": "gQHi8DoAAAAAAAAAASxodHRwOi8vd2VpeGluLnFxLmNvbS9xL0UweTNxNi1sdlA3RklyRnNKbUFvAAIELdnUUgMEAAAAAA==" } 提交数据参数说明: 返回结果参数说明 程序实现 三、通过ticket换取二维码 获取二维码ticket后,开发者可用ticket换取二维码图片。无须登录态即可调用。 HTTPS GET请求说明(TICKET必需UrlEncode) https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=TICKET ticket正确情况下,http 返回码是200,是一张图片,可以直接展示或者下载。 HTTP头示例如下: 1 { 2 "url": "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=gQHi8DoAAAAAAAAAASxodHRwOi8vd2VpeGluLnFxLmNvbS9xL0UweTNxNi1sdlA3RklyRnNKbUFvAAIELdnUUgMEAAAAAA%3D%3D", 3 "content_type": "image/jpg", 4 "http_code": 200, 5 "header_size": 162, 6 "request_size": 181, 7 "filetime": -1, 8 "ssl_verify_result": 20, 9 "redirect_count": 0, 10 "total_time": 0.509, 11 "namelookup_time": 0, 12 "connect_time": 0.058, 13 "pretransfer_time": 0.343, 14 "size_upload": 0, 15 "size_download": 28497, 16 "speed_download": 55986, 17 "speed_upload": 0, 18 "download_content_length": 28497, 19 "upload_content_length": 0, 20 "starttransfer_time": 0.481, 21 "redirect_time": 0 22 } 四、扫描带参数二维码事件 用户扫描带场景值二维码时,可能推送以下两种事件: 如果用户还未关注公众号,则用户可以关注公众号,关注后微信会将带场景值关注事件推送给开发者。 如果用户已经关注公众号,则微信会将带场景值扫描事件推送给开发者。 1. 用户未关注时,进行关注后的事件推送 <xml> <ToUserName><![CDATA[gh_45072270791c]]></ToUserName> <FromUserName><![CDATA[o7Lp5t6n59DeX3U0C7Kric9qEx-Q]]></FromUserName> <CreateTime>1389684286</CreateTime> <MsgType><![CDATA[event]]></MsgType> <Event><![CDATA[subscribe]]></Event> <EventKey><![CDATA[qrscene_1000]]></EventKey> <Ticket><![CDATA[gQHi8DoAAAAAAAAAASxodHRwOi8vd2VpeGluLnFxLmNvbS9xL0UweTNxNi1sdlA3RklyRnNKbUFvAAIELdnUUgMEAAAAAA==]]></Ticket> </xml> 参数说明 2. 用户已关注时的事件推送 <xml> <ToUserName><![CDATA[gh_45072270791c]]></ToUserName> <FromUserName><![CDATA[o7Lp5t6n59DeX3U0C7Kric9qEx-Q]]></FromUserName> <CreateTime>1389684184</CreateTime> <MsgType><![CDATA[event]]></MsgType> <Event><![CDATA[SCAN]]></Event> <EventKey><![CDATA[1000]]></EventKey> <Ticket><![CDATA[gQHi8DoAAAAAAAAAASxodHRwOi8vd2VpeGluLnFxLmNvbS9xL0UweTNxNi1sdlA3RklyRnNKbUFvAAIELdnUUgMEAAAAAA==]]></Ticket> </xml> 参数说明 事件代码: 以下代码判定了扫描带参数二维码的两种情形 private function receiveEvent($object) { $contentStr = ""; switch ($object->Event) { case "subscribe": $contentStr = "欢迎关注方倍工作室 "; if (isset($object->EventKey)){ $contentStr = "关注二维码场景 ".$object->EventKey; } break; case "SCAN": $contentStr = "扫描 ".$object->EventKey; //要实现统计分析,则需要扫描事件写入数据库,这里可以记录 EventKey及用户OpenID,扫描时间 break; default: break; } $resultStr = $this->transmitText($object, $contentStr); return $resultStr; } 如果您不懂微信第三方开发,还是找人做吧 * * */