using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Text.RegularExpressions;using System.Diagnostics;namespace ConsoleApplication1{    public static class Ping    {        #region codes        private const int TIME_OUT = 100;        private const int PACKET_SIZE = 512;        private const int TRY_TIMES = 2;        private static Regex _reg = new Regex(@"时间=(.*?)ms", RegexOptions.Multiline | RegexOptions.IgnoreCase);        private static float LaunchPing(string strCommandline, int packetSize)        {            Process proc = new Process();            proc.StartInfo.Arguments = strCommandline;            proc.StartInfo.UseShellExecute = false;            proc.StartInfo.CreateNoWindow = true;            proc.StartInfo.FileName = "ping.exe";            proc.StartInfo.RedirectStandardInput = true;            proc.StartInfo.RedirectStandardOutput = true;            proc.StartInfo.RedirectStandardError = true;            proc.Start();            string strBuffer = proc.StandardOutput.ReadToEnd();            proc.Close();            Console.WriteLine(strCommandline);            Console.WriteLine(strBuffer);            return ParseResult(strBuffer, packetSize);        }        private static float ParseResult(string strBuffer, int packetSize)        {            if (strBuffer.Length < 1) return 0.0F;            MatchCollection mc = _reg.Matches(strBuffer);            if (mc == null || mc.Count < 1 || mc[0].Groups == null) return 0.0F;            int avg;            if (!int.TryParse(mc[0].Groups[1].Value, out avg)) return 0.0F;            if (avg <= 0) return 1024.0F;            return (float)packetSize / avg * 1000 / 1024;        }        #endregion codes        /// 
        ///        /// 
        /// 主机名或ip        /// 
     
      kbps/s
             public static float Test(string strHost)        {            return LaunchPing(string.Format("{0} -n {1} -l {2} -w {3}", strHost, TRY_TIMES, PACKET_SIZE, TIME_OUT), PACKET_SIZE);        }        /// 
        ///        /// 
        /// 主机名或ip        /// 发送测试包大小        /// 超时        /// 测试次数        /// 
     
      kbps/s
             public static float Test(string strHost, int PacketSize, int TimeOut, int TryTimes)        {            return LaunchPing(string.Format("{0} -n {1} -l {2} -w {3}", strHost, TryTimes, PacketSize, TimeOut), PacketSize);        }    }    class Program    {        static void Main(string[] args)        {            Console.WriteLine(Ping.Test("baidu.com"));            Console.Read();        }    }}