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实习UDP网络通信,通过windows下UDP(come true UDP socket communition.)

简易TCP通讯服务器端，QosClt为客户端。多个客户端间的通讯需要基于服务器，即通过服务器转发。(Simple TCP communication server, QosClt for the client. Communication between multiple clients need a server-based, that is transmitted through the server.)

局域网聊天室，实现客户端和服务器端，实现托盘功能，对网络编程和界面编程的同学有一定的帮助。(LAN chat rooms, client and server-side tray function, certain network programming and interface programming students.)

一个简单的ftp传送文件的协议!?桓黾虻サ膄tp传送文件的协议!(A simple file transfer protocol ftp!? Hwan Microvelia Tabanidaeサ膄tp agreement to send the document!)

说明：  基于WinSock的UDP数据转发(Win XP；Visual C++ 6.0)(WinSock based on the UDP data transmitted (Win XP; Visual C 6.0))

实现点对点发送文本聊天,P2P基于套接字发送和接收文本(Realize the point-to-point send text chat, P2P based on SOCKET to send and receive text)

一个简单的Winpcap抓包示例程序，能显示多网卡信息，能分别数据链路层和网络层的报文信息(A simple Winpcap packet capture sample program can display a multi-card information, respectively, the data link layer and network layer packet information)

如果你开发过Windows NT系统上的网络软件，肯定碰到过让用户选择要求连接的或登陆的计算机或者域名的情况。这种情况下肯定用过外壳API函数，像SHGetSpecialFolderLocation 和 SHBrowseForFolder，并显示标准的资源管理器对话框(If you develop Windows NT system over the network software certainly encountered allows users to connect selecting the landing or the computer or domain name situation. Under these circumstances certainly used shell API function, and as SHGetSpecialFolderLocation SHBrowseForFolder and display standard resource management for dialog)

VC++实现类似于QQ文件传输功能的文件发送与接收程序示例，分为服务端和客户端，客户端首次接收数据，将判断文件包大小，数据包中一定包含完整的数据包结构信息，数据不一定完整；读取数据包的大小，包含数据包结构大小和数据大小，之前接收的数据与现在接收的数据能够构成至少一个完整的数据包，文件接收完毕则设置结束标记，若终止的连接，则弹出窗口告诉用户，对方终止了文件传送。 　　服务端程序是比较简单的，基本是复制文件数据、判断文件是否传递成功、等待对方收受发送任务或取消发送任务，分包继续发送文件等功能(VC++ implementation is similar to QQ file transfer capabilities to send and receive files program examples, divided into server and client, the client receives the first data packet to determine the file size, the packet must contain the complete information packet structure, the data is not must complete reading packet size, including the size and structure of the data packet size, and previously received data received data can now constitute at least one complete packet, the file has been received then set the mark, if the connection is terminated, the pop-up window telling the user, the other party to terminate the file transfer. Server program is relatively simple, basically copying the file data, to determine whether the file transfer is successful, waiting for the other to accept or cancel the sending task sends tasks, subcontractors continue to send files and other functions )

说明：  Rip协议实现 仿真器， 技术上包括Qt TableView，UDPSocket。(Emulator Rip protocol implementation, technically, including Qt TableView, UDPSocket.)