[1.输出回调地址](1.%E8%BE%93%E5%87%BA%E5%9B%9E%E8%B0%83%E5%9C%B0%E5%9D%80.md) [2.获取用户信息页面](2.%E8%8E%B7%E5%8F%96%E7%94%A8%E6%88%B7%E4%BF%A1%E6%81%AF%E9%A1%B5%E9%9D%A2.md) [3.数据写入数据库](3.%E6%95%B0%E6%8D%AE%E5%86%99%E5%85%A5%E6%95%B0%E6%8D%AE%E5%BA%93.md)