公众号连接腾讯云

const express = require('express');
const crypto = require('crypto');
const app = express();

const TOKEN = 'yourToken'; // 微信公众号设置的Token

app.use(express.urlencoded({ extended: false }));

// 验证服务器地址的有效性
app.get('/wechat', (req, res) => {
  const { signature, timestamp, nonce, echostr } = req.query;
  const arr = [TOKEN, timestamp, nonce].sort().join('');
  const sha1 = crypto.createHash('sha1').update(arr).digest('hex');
  
  if (sha1 === signature) {
    res.send(echostr); // 验证成功，返回echostr
  } else {
    res.send('fail'); // 验证失败
  }
});

// 处理微信消息
app.post('/wechat', (req, res) => {
  // 解析微信发送过来的XML数据并处理
  // ...
  
  res.send('success'); // 响应微信服务器
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});