C#获取网络状态两种方式

第一种

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/// <summary> /// 获取网络状态 /// </summary> /// <param name="IP"></param> /// <returns></returns> public static bool CheckedIPSpeed(string IP) {     //远程服务器IP     string ipStr = "www.google.com";     //构造Ping实例     Ping pingSender = new Ping();     //Ping 选项设置     PingOptions options = new PingOptions();     options.DontFragment = true;     //测试数据     string data = "test data abcabc";     byte[] buffer = Encoding.ASCII.GetBytes(data);     //设置超时时间     int timeout = 2 * 1000;     //调用同步 send 方法发送数据,将返回结果保存至PingReply实例     PingReply reply = pingSender.Send(ipStr, timeout, buffer, options);     if (reply.Status == IPStatus.Success)     {         return true;         //Console.WriteLine("答复的主机地址：" + reply.Address.ToString());         //Console.WriteLine("往返时间：" + reply.RoundtripTime);         //Console.WriteLine("生存时间（TTL）：" + reply.Options.Ttl);         //Console.WriteLine("是否控制数据包的分段：" + reply.Options.DontFragment);         //Console.WriteLine("缓冲区大小：" + reply.Buffer.Length);     }     else     {         return false;         //Console.WriteLine(reply.Status.ToString());     }   }

　　第二种

 

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public static bool  CheckedIPDetail(string IP)     {         Process p = new Process(); p.StartInfo.FileName = "cmd.exe";//设定程序名         p.StartInfo.UseShellExecute = false; //关闭Shell的使用         p.StartInfo.RedirectStandardInput = true;//重定向标准输入         p.StartInfo.RedirectStandardOutput = true;//重定向标准输出         p.StartInfo.RedirectStandardError = true;//重定向错误输出         p.StartInfo.CreateNoWindow = true;//设置不显示窗口         string pingrst; p.Start(); p.StandardInput.WriteLine("ping " + IP); //主机或ip地址         p.StandardInput.WriteLine("exit");         string strRst = p.StandardOutput.ReadToEnd();         p.Close();         return strRst.Contains("100% 丢失");                }