说明：  本例程演示了在奋斗STM32开发板上完成ARP，ICMP，TCP服务器、WEB 服务器以及UDP服务器，该实验学习了基于uIP1.0网络协议栈的程序编制。
(This routine demonstrates struggling STM32 development board complete the ARP, ICMP, TCP server, WEB Server and UDP server, the experimental learning the based on uIP1.0 network protocol stack programming.)