checkSignature(); } elseif (Request::method() == 'POST') { // 接收消息并回复 $response = $this->receiveMessage(); // 直接输出回复的XML字符串 echo $response; exit; } } // 验证签名 protected function checkSignature() { $signature = Request::get('signature'); $timestamp = Request::get('timestamp'); $nonce = Request::get('nonce'); $echostr = Request::get('echostr'); $token = "token2024"; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr, SORT_STRING); $tmpStr = implode($tmpArr); $tmpStr = sha1($tmpStr); if ($tmpStr == $signature) { echo $echostr; exit; } } // 接收消息 protected function receiveMessage() { $postStr = file_get_contents("php://input"); if (empty($postStr)) { return ''; } libxml_disable_entity_loader(true); $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); Log::write($postObj); // 检查消息类型 $msgType = strtolower((string) $postObj->MsgType); if ($msgType == 'text') { // 提取消息内容 $fromUsername = (string) $postObj->FromUserName; // 微信用户openid $toUsername = (string) $postObj->ToUserName; // 公众号id $keyword = trim((string) $postObj->Content); // 构造自动回复的文本消息 $time = time(); $textTpl = " %s 0 "; $responseContent = "消息标题"; $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $responseContent); // 假设已经确定要发送小程序卡片消息 $this->sendMiniProgramCard((string) $postObj->FromUserName); return $resultStr; } // 如果需要处理其他类型的消息，可以在这里添加相应的逻辑 // 如果不是文本消息，可以返回一个空字符串或错误消息 return ''; } // 发送小程序卡片消息的方法 private function sendMiniProgramCard($openid) { $accessToken = $this->getGZHAccessToken(); if (!$accessToken) { // 处理获取access_token失败的情况 return; } $postData = json_encode([ 'touser' => $openid, // 接收者（用户）的openid 'msgtype' => 'miniprogrampage', 'miniprogrampage' => [ 'title' => '小程序标题', 'appid' => '小程序appid', 'pagepath' => '小程序路径', 'thumb_media_id' => '你的thumb_media_id' ] ], JSON_UNESCAPED_UNICODE); $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token={$accessToken}"; $result = json_decode(file_get_contents($url, false, stream_context_create([ 'http' => [ 'method' => 'POST', 'header' => "Content-type: application/json\r\n", 'content' => $postData, 'timeout' => 60 // 超时时间（单位:s） ] ])), true); // 处理返回结果 if ($result['errcode'] == 0) { // 发送成功 } else { // 发送失败 } } // 获取公众号Access token public function getGZHAccessToken() { $access_token = Cache::get('gzh_access_token'); if (!$access_token) { $config = [ 'appid' => 'appid', 'secret' => 'secret', 'grant_type' => 'client_credential' ]; $response = $this->curlPost('https://api.weixin.qq.com/cgi-bin/token', $config); $data = json_decode($response, true); $access_token = $data["access_token"]; Cache::set('gzh_access_token', $access_token, $data["expires_in"] - 200); } return $access_token; } // 发送请求 public function curlPost($url = '', $postData = '', $options = array()) { if (is_array($postData)) { $postData = http_build_query($postData); } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数 if (!empty($options)) { curl_setopt_array($ch, $options); } //https请求 不验证证书和host curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); $data = curl_exec($ch); curl_close($ch); return $data; } }