实现了登录、注册、添加好友、删除好友、获取好友列表、发送消息、接收消息功能
About this demo, please take your step to my CSDN blog:
1、http://blog.csdn.net/woaifen3344/article/details/44559543
2、http://blog.csdn.net/woaifen3344/article/details/44559733
3、http://blog.csdn.net/woaifen3344/article/details/44599499
4、http://blog.csdn.net/woaifen3344/article/details/44599919
5、http://blog.csdn.net/woaifen3344/article/details/44600313
6、http://blog.csdn.net/woaifen3344/article/details/44600651
7、http://blog.csdn.net/woaifen3344/article/details/44600751