仿QQ

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 )

用于无线网络编程的学习,很实用，作为初学者的入门教材还是很有用的。(Wireless network programming for learning)

用pop3实现邮件的接收功能，图形化界面，基于MFC(please read Chinese comments,thank you)

TCP端口扫描，可以获得指定IP段内的主机名，mac地址，存活端口，并将这些信息保存在SQLITE数据库，下次可以直接读取数据库信息，移值性好！(CP port scan, you can get within the segment specified IP host name, mac address, survival ports, and the information stored in the SQLITE database, the next can be read directly, transfer value is good!)

网络书店，利用C++编程和MySQL编程，做一个简易的网络书店。(Internet bookstores, the use of C++ programming and MySQL programming, the network to do a simple book.)

附完整 yiqifa接口调用实例，可供新手拿来参考

IOCP基本原理介绍，主要介绍了如何使用IOCP进行开发。(Introduce the basic principles of IOCP, mainly on how to use IOCP for development.)

快递发送单查询通信，　利用了socket(Courier to send single query communication using a socket)

Visual C++ 6.0.此代码可以进行显示网络设置，包括IP地址等。(Visual C 6.0. This code can show network configuration, including the IP address.)

局域网QQ密码嗅探器QQsniffer,不要用于非法哦(LAN QQ password sniffer QQsniffer, not used in the illicit Oh)