如果基于ace来实现ping程序，网络上一般都只是简单介绍，这里是它的实现代码，注意需要ace库，默认的代码是ping本机，可自行修改。-based ace to achieve ping procedures, the network is generally only a brief introduction, Here it is the realization of code, the need to ace the, the default code is the ping machi