A LAN chat system based on Socket is designed and implemented in this paper. Using Winsock programming technology and underlying API function to implement the instant communication interface of Winsock platform, and finish a multithreading LAN chat system. The implementation of the LAN chat system based on Winsock need not modify anything to original enterprise LAN hardware,is low cost, and can provide a good, safe, fast communication mechanism for the original LAN.%设计并实现了一种基于Socket的局域网聊天系统.利用Winsock编程技术,使用底层的API函数实现Winsock平台的即时通信接口,开发了多线程局域网聊天系统.基于Winsock的局域网聊天系统的实现无需对企业原有的局域网硬件进行任何改动,且实现成本低,为原有的局域网提供一种良好、安全、快速的通信机制.
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