自己写的一个即时聊天工具，并且自己也在里面添加了些小功能，虽然没有腾讯那个强大，但是拿出来与大家一起学习研究，另外内附API-Write a real-time chat tool, and its also added some small features which, although not QQ that strong, but with everybody out study and research, also included API