qq互联多域名

<!-- 在需要QQ登录的页面引入QQ互联的JS SDK -->
<script src="https://connect.qq.com/qc_jssdk.js" data-appid="YOUR_APP_ID"></script>
<script>
  QC.Login({
    btnId: "qqLoginBtn" // 按钮ID
  }, function(reqData, opts) {
    // 登录成功后的回调处理
    console.log("登录成功", reqData);
  }, function(opts) {
    // 登录失败后的回调处理
    console.log("登录失败", opts);
  });
</script>
<button id="qqLoginBtn">QQ登录</button>

const express = require('express');
const session = require('express-session');
const app = express();

app.use(session({
  secret: 'your_secret_key',
  resave: false,
  saveUninitialized: true,
  cookie: { domain: '.yourdomain.com', secure: true } // 设置跨域cookie
}));

app.get('/login', (req, res) => {
  req.session.user = { id: 1, name: 'John Doe' };
  res.send('Logged in');
});

app.get('/profile', (req, res) => {
  if (req.session.user) {
    res.send(`Welcome, ${req.session.user.name}`);
  } else {
    res.send('Please login');
  }
});

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