using System;using System.Diagnostics;using System.IO;using System.Net;using System.Text;using System.Threading;using Newtonsoft.Json.Linq;namespace TestKaiPing{    class Program    {        private static long _totalTimeCost = 0;        private static int _endedConnenctionCount = 0;        private static int _failedConnectionCount = 0;        private static int _connectionCount = 0;        static void Main(string[] args)        {            var connectionCount = 100000;            var requestThread = new Thread(() => StartRequest(connectionCount)) {IsBackground = true};            requestThread.Start();            Console.WriteLine("恭喜，成功完成！");            Console.ReadLine();        }               private static void SendRequest()        {            try            {                var url =                            "http://kpsso.kpedu.com/ajaxLogin?targetService=http://221.194.113.150/dsideal_yy/html/ypt/getLoginInfo.jsp&callback=loginFormState&userName=dscsjs1&password=123456";                var r = SendRequestByGet(url);                r = r.Replace("loginFormState(", "").Replace(")", "");                var o = JObject.Parse(r);                var ticket = o["ticket"];                url = "http://221.194.113.150/dsideal_yy/html/ypt/getLoginInfo.jsp?ticket=" + ticket;                r = SendRequestByGet(url);                IncreaseSuccessConnection();            }            catch (Exception)            {                IncreaseFailedConnection();            }        }        private static void Reset()        {            _failedConnectionCount = 0;            _endedConnenctionCount = 0;            _totalTimeCost = 0;        }        private static void IncreaseFailedConnection()        {            Interlocked.Increment(ref _failedConnectionCount);            Console.WriteLine("失败个数："+ _failedConnectionCount);        }        private static void IncreaseSuccessConnection()        {            Interlocked.Increment(ref _endedConnenctionCount);            Console.WriteLine("成功个数："+ _endedConnenctionCount);        }        private static void StartRequest(int connectionCount)        {            Reset();            for (var i = 0; i < connectionCount; i++)            {                ThreadPool.QueueUserWorkItem(u => SendRequest());            }        }        public static string SendRequestByGet(string uri)        {            string fullhtml = null;            while (true)            {                try                {                    var req = (HttpWebRequest)WebRequest.Create(uri);                    req.Method = "GET";                    req.ServicePoint.ConnectionLimit = int.MaxValue;                    req.UserAgent = "Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0";                    req.KeepAlive = true;                    req.Timeout = 1000 * 10;                    var resp = (HttpWebResponse)req.GetResponse();                    if (resp.StatusCode != HttpStatusCode.OK) //如果服务器未响应，那么继续等待相应                        continue;                    var sr = new StreamReader(resp.GetResponseStream(), Encoding.UTF8);                    fullhtml = sr.ReadToEnd().Trim();                    resp.Close();                    sr.Close();                    break;                }                catch (WebException e)                {                    e.StackTrace.ToString();                    Trace.WriteLine(e.Message);                    if (true)                        continue;                }            }            return fullhtml;        }    }}