我想学习多个WEB站点，用户登陆信息共享问题。
我想学习多个WEB站点，用户登陆信息共享问题。
也就是我只要在其中一个站点登陆成功，我访问另一个站点就不用登陆了，可以同步用户登陆信息。
我知道，这个可能就是ucenter干的事
我了解过这方面的知道，实现站点通信的方法很多，但是现在ucenter做得这么好，所以应该是最佳的解决方案。
所以我想学习ucenter怎么写，虽然在网上可以找到ucenter的源码，但是，它源码太多了，看得很吃力。
想求一下有没有简版的uncenter通信源码（客户段，和服务段二方面）。很想学习学习……
（我从学PHP以来，最大的梦想之一就是会写站点通信）
------解决方案--------------------
ucenterapi开发主要有四个要点
1.要懂sso，ucenter的实现机制
2.必备文档http://www.comsenz.com/downloads/install/ucenter
3.要看例子
4.要做
ucenter首次不知道哪里可以下最新的官方都下不了。自从被收了之后，ucenter也算是废了。
网上流传了一个带例子的手册
其实
可以使用一下另一个盛的phpcms的phpsso，虽然比较弱，但是五脏俱全。
有能力自己搞一个sso吧
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