该程序简单的模拟了以UDP方式进行通讯的聊天室程序，也可以说是类飞鸽程序的基地。程序中实现了简单的单播。需要使用多播的朋友可自行修改-The program simulates a simple way to communicate with UDP chat room program, it can also be a base class Flying Pigeon procedures. Process to achieve a simple unicast. Need to use mu