增加wechat控制器

app/index/controller/WechatController.php

@@ -0,0 +1,165 @@
+<?php
+namespace app\index\controller;
+
+use think\facade\Request;
+use think\facade\Log;
+use think\facade\Cache; 
+
+class WechatController extends BaseController
+{
+    public function index()
+    {
+        // 检查请求方法  
+        if (Request::method() == 'GET') {
+            // 首次验证服务器地址的有效性  
+            $this->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 = "<xml>  
+                            <ToUserName><![CDATA[%s]]></ToUserName>  
+                            <FromUserName><![CDATA[%s]]></FromUserName>  
+                            <CreateTime>%s</CreateTime>  
+                            <MsgType><![CDATA[text]]></MsgType>  
+                            <Content><![CDATA[%s]]></Content>  
+                            <FuncFlag>0</FuncFlag>  
+                        </xml>";
+
+
+            $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;
+    }
+}