基于windows的Socket网络编程，使用Udp通讯 里面有发送端，和接收端其中一台电脑启动发送端，另一台电脑启动接收端，能实现互相发送信息双方都能查看并接收对方发出的信息的功能。(Socket network programming based on windows, using Udp communication inside the sending end and the receiving end, in which a computer start sending end, ano