说明：  这个是我自己分析和规划的用户登录的流程图，里面基本上是比较详细的了，喜欢的朋友可以拿来用，但最好是发送一份邮件给我<lianglong@lazysoft.cn>，个人能力有限，不足的地方希望大家指正！
(This is my own analysis and planning of user login flow chart, which basically is detailed, like a friend can make use of them, but it is best to send an e-mail to me <lianglong@lazysoft.cn> Personal capacity, lack hope you correct me!)