局域网p2p通讯用C#实现的，代码没有bug。编译成功后把程序放到局域网的两个主机里，输入侦听端口，后按侦听端口按键，输入远程主机的ip，端口后，按连接远程主机端口按键，即可发送消息了-LAN p2p communications implemented using C# code is not bug. After the success of the procedure compiled into the two hosts inside the LAN, enter the listeni