聊天室程序设计，里面包括客户端和服务器两类程序 其中分为FTP UDP-Chat program design, which includes client and server program which is divided into two types of FTP UDP

功能相当不错的FTP类 支持异步上传下载并且可以获得传输进度。-Function quite well in the FTP class supports asynchronous transfer upload and download and get progress.