远程域名授权

// 获取授权码
const authUrl = 'https://authorization-server.com/auth';
const params = new URLSearchParams({
  client_id: 'your-client-id',
  redirect_uri: 'https://your-app.com/callback',
  response_type: 'code',
  scope: 'read write'
});
window.location.href = `${authUrl}?${params}`;

// 交换授权码获取访问令牌
fetch('https://authorization-server.com/token', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded'
  },
  body: new URLSearchParams({
    grant_type: 'authorization_code',
    code: 'your-auth-code',
    redirect_uri: 'https://your-app.com/callback',
    client_id: 'your-client-id',
    client_secret: 'your-client-secret'
  })
})
.then(response => response.json())
.then(data => {
  const accessToken = data.access_token;
  // 使用访问令牌访问资源
});