private void 导入IPToolStripMenuItem_Click(object sender, EventArgs e)

        {

            using (OpenFileDialog Openfile = new OpenFileDialog())

            {

                Openfile.Filter = "文本文件|*.txt";

                Openfile.Multiselect = false;

                if (Openfile.ShowDialog() == DialogResult.OK)

                {

                    Thread threadfile = new Thread(() => ReadFileIP(Openfile.FileName)) { IsBackground = true };

                    threadfile.Start();

                }

            }

        }

        /// <summary>

        /// 读取txt代理ip

        /// </summary>

        /// <param name="filename"></param>

        private void ReadFileIP(string filename)

        {

            txtmsg.BeginInvoke(new Action(() =>

            {

                txtmsg.AppendText("开始导入IP代理!".SetLog());

            }));

            var file = File.Open(filename, FileMode.Open);

            int num = ;

            int goods = ;

            int repeat = ;

            using (var stream = new StreamReader(file))

            {

                while (!stream.EndOfStream)

                {

                    num++;

                    string linetemp = stream.ReadLine().Trim().ToLower();

                    string[] iptxt = linetemp.Split(':');

                    if (iptxt.Count() == )

                    {

                        lock (Config.lock_prxoy)

                        {

                            var data = Config._prxoyList.Where(m => m.ip == iptxt[]).FirstOrDefault();

                            if (data != null)

                            {

                                repeat++;

                                continue;

                            }

                        }

                        goods++;

                        Model.ProxyIP _proxyip = new Model.ProxyIP();

                        _proxyip.ip = iptxt[];

                        _proxyip.prot = int.Parse(iptxt[]);

                        ListViewItem item = new ListViewItem(_proxyip.ip);

                        item.SubItems.Add(_proxyip.prot.ToString());

                        item.SubItems.Add("");

                        listViewIP.Invoke(new Action(() =>

                        {

                            ListViewItem itemresult = listViewIP.Items.Add(item);

                            _dic.Add(_proxyip.ip, itemresult);

                            //dic.Add(_send.Tel, backitem);

                        }));

                        lock (Config.lock_prxoy)

                        {

                            Config._prxoyList.Add(_proxyip);

                        }

                    }

                }

            }

            txtmsg.Invoke(new Action(() =>

            {

                string log = string.Format("添加代理IP完成!有效数据为:{0},过滤重复数据:{1},总数据:{2}", goods.ToString(), repeat.ToString(), num.ToString());

                txtmsg.AppendText(log.SetLog());

            }));

            Thread filter = new Thread(new ThreadStart(filterIP)) { IsBackground = true };

            filter.Start();

        }

        private void filterIP()

        {

            txtmsg.Invoke(new Action(() =>

            {

                txtmsg.AppendText("正在过滤IP数据！".SetLog());

            }));

            List<System.Threading.Tasks.Task> TaskList = new List<System.Threading.Tasks.Task>();

            lock (Config.lock_prxoy)

            {

                foreach (Model.ProxyIP _model in Config._prxoyList)

                {

                    var task = System.Threading.Tasks.Task.Factory.StartNew(() =>

                    {

                        bool reslut = VerIP(_model.ip, _model.prot);

                        if (reslut)

                        {

                            _model.filter = Model.filterIP.有效;

                            this.Invoke(new Action(() =>

                            {

                                _dic[_model.ip].SubItems[].Text = "有效";

                            }));

                        }

                        else

                        {

                            _model.filter = Model.filterIP.无效;

                            this.Invoke(new Action(() =>

                            {

                                _dic[_model.ip].SubItems[].Text = "无效";

                            }));

                        }

                    });

                    TaskList.Add(task);

                }

            }

            System.Threading.Tasks.Task.WaitAll(TaskList.ToArray());

            txtmsg.Invoke(new Action(() =>

            {

                txtmsg.AppendText(Config._prxoyList[].filter.ToString() + "过滤IP数据完成!".SetLog());

            }));

        }

        private bool VerIP(string ip,int port)

        {

            try

            {

                HttpWebRequest Req;

                HttpWebResponse Resp;

                WebProxy proxyObject = new WebProxy(ip, port);// port为端口号 整数型

                Req = WebRequest.Create("https://www.baidu.com") as HttpWebRequest;

                Req.Proxy = proxyObject; //设置代理

                Req.Timeout = ;   //超时

                Resp = (HttpWebResponse)Req.GetResponse();

                Encoding bin = Encoding.GetEncoding("UTF-8");

                using (StreamReader sr = new StreamReader(Resp.GetResponseStream(), bin))

                {

                    string str = sr.ReadToEnd();

                    if (str.Contains("百度"))

                    {

                        Resp.Close();

                        return true;

                    }

                    else

                    {

                        return false;

                    }

                }

            }

            catch (Exception ex)

            {

                return false;

            }

        }

    }