聊天程序的简单版 支持多客户聊天私聊 和热键发送 图形界面 适合初级JAVA学习者-Simple chat program version support multi-client chat私聊and hotkey send JAVA graphical interface for primary learners

用JAVA做的一个类似于腾讯QQ的聊天软件，分为客户端和服务器端，支持多线程。具有私聊 传送文件等等功能！-To do with JAVA A similar Tencent QQ chat software, divided into client and server to support multi-threading. Transfer files with a whisper, etc. function!

本系统是为方便企业内部进行简单办公，方便员工进行交流为基础，为企业提供较为完善的即时沟通和实时协作的解决方案。(This system uses Java language and eclipse as the basic development environment, using the software refactoring development approach, the original system design is optimized, by using the princi