基于udp服务的p2p程序，其中包含服务器端和客户端的程序，还好友使用说明文档-Udp-based services, p2p program, which includes server-side and client-side procedures, but also friends to use documentation

NAT 点对点通信功能 提供P2Pserver和P2PClient 将P2Pserver放在公共IP地址上运行，在任一台连接到INTERNET上的电脑上运行P2Pclient程序，即可建立UDP连接，接收到私有IP对应的公共IP地址，与另一个client通信-NAT function provides point to point communication and P2PClient P2Pserver public IP address on the P2Pserver run on any

udp聊天客户端程序，还有服务器端的聊天程序一会上传。-udp chat client program, as well as server-side chat program I will upload.

压缩文件中包含两个工程，client和server。client负责发送，server负责接收。实现基于UDP协议的文件传输。传输指定的文件时，需在程序中更改文件的路径。-The compressed file contains two projects, client and server. The client is responsible for sending, server is responsible for receiving. Realized based on UDP prot