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这篇文章主要介绍了php进行微信公众号开发的方法,具有一定借鉴价值,需要的朋友可以参考下。希望大家阅读完这篇文章后大有收获。下面让小编带着大家一起了解一下。
php如何进行微信公众号开发
1、配置相关服务器
(1) 如下,把自己的服务器ip白名单配置上;
(2) 开始配置令牌,配置令牌时先需要把现成的代码放到自己的服务器上面,代码里面包含自己的设置的令牌号码,这样才可以配置成功。
注意:下面这个代码在配置好后,即可从服务器上面删除代码或者把index.php改一个名字。
url必须是完整的url,比如 http://118.78.176.74/weixin/index.php
<?php /** * wechat php test * update time: 20141008 */ //define your token //下面的即是你设置的token令牌 define("TOKEN", "zj123456"); $wechatObj = new wechatCallbackapiTest(); $wechatObj->valid(); class wechatCallbackapiTest { public function valid() { $echoStr = $_GET["echostr"]; //valid signature , option if ($this->checkSignature()) { echo $echoStr; exit; } } public function responseMsg() { //get post data, May be due to the different environments $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //extract post data if (!empty($postStr)) { $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $fromUsername = $postObj->FromUserName; $toUsername = $postObj->ToUserName; $keyword = trim($postObj->Content); $time = time(); $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>0</FuncFlag> </xml>"; if (!empty($keyword)) { $msgType = "text"; $contentStr = "Welcome to wechat world!"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); echo $resultStr; } else { echo "Input something..."; } } else { echo ""; exit; } } private function checkSignature() { $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"]; $token = TOKEN; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr, SORT_STRING); $tmpStr = implode($tmpArr); $tmpStr = sha1($tmpStr); if ($tmpStr == $signature) { return true; } else { return false; } } }
2、配置ok后,接下来就可以实现相关的微信公众号相关功能,比如说自动回复机器人。
代码包含3部分,当然,自动回复机器人,下面的代码有些用不到。
(1) 、index.php
<?php define("APPID","xxxxxxx"); define("APPSECRET","xxxxxx"); define("TOKEN","zj123456"); require("./wechat.inc.php"); $wechat = new WeChat(APPID,APPSECRET,TOKEN); $wechat->responseMsg(); ?>
(2)、wechat.inc.php
<?php class WeChat { private $_appid; private $_appsecret; private $_token; public function __construct($appid, $appsecret, $token) { $this->_appid = $appid; $this->_appsecret = $appsecret; $this->_token = $token; } /** *_request():发出请求 *@curl:访问的URL *@https:安全访问协议 *@method:请求的方式,默认为get *@data:post方式请求时上传的数据 **/ private function _request($curl, $https = true, $method = 'get', $data = null, $headers = null) { $ch = curl_init(); //初始化 curl_setopt($ch, CURLOPT_URL, $curl); //设置访问的URL // curl_setopt($ch, CURLOPT_HEADER, false); //设置不需要头信息 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); //只获取页面内容,但不输出 if ($https) { curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //不做服务器认证 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //不做客户端认证 } if ($method == 'post') { curl_setopt($ch, CURLOPT_POST, true); //设置请求是POST方式 curl_setopt($ch, CURLOPT_POSTFIELDS, $data); //设置POST请求的数据 } $str = curl_exec($ch); //执行访问,返回结果 curl_close($ch); //关闭curl,释放资源 return $str; } /** *_getAccesstoken():获取access token **/ private function _getAccesstoken() { $file = './accesstoken'; //用于保存access token if (file_exists($file)) { //判断文件是否存在 $content = file_get_contents($file); //获取文件内容 $content = json_decode($content); //json解码 if (time() - filemtime($file) < $content->expires_in) //判断文件是否过期 { return $content->access_token; } //返回access token } $content = $this->_request("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->_appid . "&secret=" . $this->_appsecret); //获取access token的json对象 file_put_contents($file, $content); //保存json对象到指定文件 $content = json_decode($content); //进行json解码 return $content->access_token; //返回access token } /** *_getTicket():获取ticket,用于以后换取二维码 *@expires_secords:二维码有效期(秒) *@type :二维码类型(临时或永久) *@scene:场景编号 **/ public function _getTicket($expires_secords = 604800, $type = "temp", $scene = 1) { if ($type == "temp") { //临时二维码的处理 $data = '{"expire_seconds":' . $expires_secords . ', "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": ' . $scene . '}}}'; //临时二维码生成所需提交数据 return $this->_request("https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=" . $this->_getAccesstoken(), true, "post", $data, ''); //发出请求并获得ticket } else { //永久二维码的处理 $data = '{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": ' . $scene . '}}}'; //永久二维码生成所需提交数据 return $this->_request("https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=" . $this->_getAccesstoken(), true, "post", $data, ''); //发出请求并获得ticket } } /** *_getQRCode():获取二维码 *@expires_secords:二维码有效期(秒) *@type:二维码类型 *@scene:场景编号 **/ public function _getQRCode($expires_secords, $type, $scene) { $content = json_decode($this->_getTicket($expires_secords, $type, $scene)); //发出请求并获得ticket的json对象 $ticket = $content->ticket; //获取ticket $image = $this->_request("https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=" . urlencode($ticket) ); //发出请求获得二维码图像 //$file = "./".$type.$scene.".jpg";// 可以将生成的二维码保存到本地,便于使用 //file_put_contents($file, $image);//保存二维码 return $image; } public function valid() //检查安全性 { $echoStr = $_GET["echostr"]; //valid signature , option if ($this->checkSignature()) { echo $echoStr; exit; } } public function responseMsg() { //get post data, May be due to the different environments $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; //获得用户发送信息 $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); switch ($postObj->MsgType) { case 'event': $this->_doEvent($postObj); break; case 'text': $this->_doText($postObj); break; case 'image': $this->_doImage($postObj); break; case 'voice': $this->_doVoice($postObj); break; case 'video': $this->_doVideo($postObj); break; case 'location': $this->_doLocation($postObj); break; default:exit; } } private function _doEvent($postObj) { //事件处理 switch ($postObj->Event) { case 'subscribe': //订阅 $this->_doSubscribe($postObj); break; case 'unsubscribe': //取消订阅 $this->_doUnsubscribe($postObj); break; default:; } } private function _doSubscribe($postObj) { $tpltext = '<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[%s]]></Content> </xml>'; $access_token = $this->_getAccesstoken(); $userInfo = $this->getUserinfo($access_token, $postObj->FromUserName); $str = sprintf($tpltext, $postObj->FromUserName, $postObj->ToUserName, time(), '欢迎您关注' . 'Geroge Zhang' . '的世界!'); //还可以保存用户的信息到数据库 echo $str; } private function _doUnsubscribe($postObj) { ; //把用户的信息从数据库中删除 } private function _doText($postObj) { $fromUsername = $postObj->FromUserName; $toUsername = $postObj->ToUserName; $keyword = trim($postObj->Content); $time = time(); $textTpl = "<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[%s]]></MsgType> <Content><![CDATA[%s]]></Content> <FuncFlag>0</FuncFlag> </xml>"; if (!empty($keyword)) { // $data_add = "question=" . $keyword; // $appcode = "2fd264cdc7914b308e51ab986f73fb86"; // $headers = array(); // array_push($headers, "Authorization:APPCODE " . $appcode); // $contentStr = $this->_request("http://jisuznwd.market.alicloudapi.com/iqa/query?question=" . $data_add, false, "GET", '', $headers); $data_add = urlencode($keyword); $contentStr = $this->_request("http://api.qingyunke.com/api.php?key=free&appid=0&msg=" . $data_add, false, "GET", '', ''); $contentStr = json_decode($contentStr, true); if ($contentStr['result'] == 0) { $contentStr = $contentStr['content']; } if ($keyword == "hello") { $contentStr = "你好"; } if ($keyword == "PHP") { $contentStr = "最流行的网页编程语言!"; } if ($keyword == "JAVA") { $contentStr = "较流行的网页编程语言!"; } $msgType = "text"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); echo $resultStr; } exit; } private function _doImage($postObj) { $tpltext = '<xml> <ToUserName><![CDATA[%s]]></ToUserName> <FromUserName><![CDATA[%s]]></FromUserName> <CreateTime>%s</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[%s]]></Content> </xml>'; $str = sprintf($tpltext, $postObj->FromUserName, $postObj->ToUserName, time(), '您发送的图片在' . $postObj->PicUrl . "。"); echo $str; } private function checkSignature() { $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"]; $token = TOKEN; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr, SORT_STRING); $tmpStr = implode($tmpArr); $tmpStr = sha1($tmpStr); if ($tmpStr == $signature) { return true; } else { return false; } } /** * 获取用户昵称 * @param access_token 前面函数_getAccesstoken已经实现 * @param openid 即FromUserName这个参数 * url $urlid = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN'; * return userInfo */ public function getUserinfo($access_token, $openid) { $urlid = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token=' . $access_token . '&openid=' . $openid . '&lang=zh_CN'; $userInfo = $this->_request($urlid); return $userInfo; } }
注意:想要获取用户信息必须是认证过了的订阅号或者服务号!
综上,把如上三个文件,放到你的配置的服务器上面,即可实现自动回复机器人功能。
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