首先Server程序创建两个socket： 分别为 TCP socket（使用命令行参数指定端口号） UDP socket（UDP端口号自定义，使用宏定义写在程序里，必须大于1024）。 server端在这两个端口上侦听连接，接受来自客户端

Packet : tcp&udp.rar filelist
HwClient/HwClient.cpp
HwClient/HwClient.dsp
HwClient/HwClient.dsw
HwClient/HwClient.ncb
HwClient/HwClient.opt
HwClient/HwClient.plg
HwClient/ReadMe.txt
HwClient/StdAfx.cpp
HwClient/StdAfx.h
HwServer/HwServer.cpp
HwServer/HwServer.dsp
HwServer/HwServer.dsw
HwServer/HwServer.ncb
HwServer/HwServer.opt
HwServer/HwServer.plg
HwServer/ReadMe.txt
HwServer/StdAfx.cpp
HwServer/StdAfx.h
Server与Client的交互（1）.ppt
HwClient
HwServer

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