这是java实现的一个聊天室项目，实现了基本的功能，还实现了表情的发送……里面包含了全套的项目开发文档。可以供大家学习参考。-This is the realization of a chat room projects, the basic function, but also the realization of this expression ... which contains a complete set of project development documents. Everyone can learn reference.