复制public class HomeService : IHomeService      {           public string DoWork(string msg)          {               var ip = Dns.GetHostAddresses(Dns.GetHostName()).FirstOrDefault(i => i.AddressFamily ==                                                                 AddressFamily.InterNetwork).ToString();              return string.Format("当前 request 由 server={ 0} 返回",使用 ip);          }      }  1.2.3.4.5.6.7.8.9.10.