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[求助中] TASK多线程并行求指点

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  • TA的每日心情
    擦汗
    2018-7-16 13:31
  • 签到天数: 19 天

    [LV.4]【醉卧红尘】

    xx732395 发表于 2017-2-26 22:30:07 | 显示全部楼层 |阅读模式
    1紫晶
    本帖最后由 xx732395 于 2017-2-26 22:50 编辑

    看了君临大神的多线程并行后终于明白自己之前写的代码有多烂,今天闲来无事把之前的代码改了一下,特意发上来请各位老板指点一二。
    ps:由于买了淘宝UA没有积分不能在资源分享处发帖,只能在求助区发帖,请君临大神见谅。
    直接上代码:
    [C#] 纯文本查看 复制代码
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Diagnostics;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    
    namespace tasktest
    {
        public partial class Form1 : Form
        {
            public delegate void UpdateListView(ListViewItem item);
            public Form1()
            {
                InitializeComponent();
            }
    
            private void button1_Click(object sender, EventArgs e)
            {
                List<I360> List360 = new List<I360>();
                for (int i = 0; i < 10000; i++)
                {
                    I360 temp = new I360(string.Format("http://baoku.360.cn/soft/show/appid/{0}",i.ToString()));
                    temp.update = new UpdateListView(UpdeListView);
                    List360.Add(temp);
                }
                Thread th = new Thread(new ThreadStart(delegate {
                    SomethingTask(List360);
                }));
                th.Start();
            }
    
    
    
            private void SomethingTask(List<I360> List360)
            {
                int ThreadCount = 50;
                List<Task> tasklist = new List<Task>();
                TaskFactory taskfactory = new TaskFactory();
                foreach (I360 item in List360)
                {
                    var j = item;
                    tasklist.Add(taskfactory.StartNew(new Action(() =>
                    {
                        j.Start();
                    })));
                    if (tasklist.Count == ThreadCount)
                    {
                        int index = Task.WaitAny(tasklist.ToArray());
                        tasklist.RemoveAt(index);
                    } 
                }
                Task.WaitAll(tasklist.ToArray());
            }
            
            
            
            public void UpdeListView(ListViewItem item)
            {
                this.listView1.Invoke(new ThreadStart(
                delegate
                {
                  this.listView1.Items.Add(item);
                }));
            }
        }
    }
    


    [C#] 纯文本查看 复制代码
    using DotNet4.Utilities;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace tasktest
    {
        class I360
        {
            public I360(string url)
            {
                //http://baoku.360.cn/soft/show/appid/
                this.Url = url;
            }
    
            public tasktest.Form1.UpdateListView update;
    
            private string Url = string.Empty;
            public void Start()
            {
                string html=GetTitleInfo();
                ListViewItem tm = new ListViewItem();
                tm.Text = Url;
                tm.SubItems.Add(html);
                update(tm);
            }
    
            private string GetTitleInfo()
            {
    
                HttpHelper http = new HttpHelper();
                HttpItem item = new HttpItem()
                {
                    URL = this.Url,//URL     必需项    
                    Encoding = System.Text.Encoding.GetEncoding("utf-8"),//URL     可选项 默认为Get   
                    Method = "get",//URL     可选项 默认为Get   
                    IsToLower = false,//得到的HTML代码是否转成小写     可选项默认转小写   
                    Cookie = "",//字符串Cookie     可选项   
                    Referer = "",//来源URL     可选项   
                    Accept = "application/javascript, */*;q=0.8",
                    Postdata = "",//Post数据     可选项GET时不需要写   
                    Timeout = 100000,//连接超时时间     可选项默认为100000    
                    ReadWriteTimeout = 30000,//写入Post数据超时时间     可选项默认为30000   
                    UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",//用户的浏览器类型,版本,操作系统     可选项有默认值   
                    ContentType = "text/html",//返回类型    可选项有默认值   
                    Allowautoredirect = false,//是否根据301跳转     可选项   
                    //CerPath = "d:\123.cer",//证书绝对路径     可选项不需要证书时可以不写这个参数   
                    //Connectionlimit = 1024,//最大连接数     可选项 默认为1024    
                    ProxyIp = "",//代理服务器ID     可选项 不需要代理 时可以不设置这三个参数    
                    //ProxyPwd = "123456",//代理服务器密码     可选项    
                    //ProxyUserName = "administrator",//代理服务器账户名     可选项   
                    ResultType = ResultType.String
                };
                HttpResult result = http.GetHtml(item);
                string html = result.Html;
                html = GetStringMid(html, "baike_name\":\"", "\",\"is_edition").Trim();
                return html;
    
            }
            private  string GetStringMid(string allStr, string firstStr, string lastStr)
            {
                if (string.IsNullOrEmpty(allStr))
                { return ""; }
                //取出前面的位置
                int index1 = allStr.IndexOf(firstStr);
                if (index1 < 0 )
                {
                    return "";
                }
                //取出后面的位置
                int index2 = allStr.IndexOf(lastStr, index1 + firstStr.Length);
                if (index2 < 0)
                {
                    return "";
                }
                //定位到前面的位置
                index1 = index1 + firstStr.Length;
                //判断要取的文本的长度
                index2 = index2 - index1;
    
                if (index1 < 0 || index2 < 0)
                {
                    return "";
                }
                //取出文本
                return allStr.Substring(index1, index2);
            }
        }
    }
    



    [C#] 纯文本查看 复制代码
    /// <summary>
    /// 类说明:HttpHelper类,用来实现Http访问,Post或者Get方式的,直接访问,带Cookie的,带证书的等方式,可以设置代理
    /// 重要提示:请不要自行修改本类,如果因为你自己修改后将无法升级到新版本。如果确实有什么问题请到官方网站提建议,
    /// 我们一定会及时修改
    /// 编码日期:2011-09-20
    /// 编 码 人:苏飞
    /// 联系方式:361983679  
    /// 官方网址:http://www.sufeinet.com/thread-3-1-1.html
    /// 修改日期:2016-05-05
    /// 版 本 号:1.6
    /// </summary>
    using System;
    using System.Collections.Generic;
    using System.Text;
    using System.Net;
    using System.IO;
    using System.Text.RegularExpressions;
    using System.IO.Compression;
    using System.Security.Cryptography.X509Certificates;
    using System.Net.Security;
    using System.Linq;
    using System.Net.Cache;
    
    namespace DotNet4.Utilities
    {
        /// <summary>
        /// Http连接操作帮助类
        /// </summary>
        public class HttpHelper
        {
            #region 预定义方变量
            //默认的编码
            private Encoding encoding = Encoding.Default;
            //Post数据编码
            private Encoding postencoding = Encoding.Default;
            //HttpWebRequest对象用来发起请求
            private HttpWebRequest request = null;
            //获取影响流的数据对象
            private HttpWebResponse response = null;
            //设置本地的出口ip和端口
            private IPEndPoint _IPEndPoint = null;
            #endregion
    
            #region Public
    
            /// <summary>
            /// 根据相传入的数据,得到相应页面数据
            /// </summary>
            /// <param name="item">参数类对象</param>
            /// <returns>返回HttpResult类型</returns>
            public HttpResult GetHtml(HttpItem item)
            {
                //返回参数
                HttpResult result = new HttpResult();
                try
                {
                    //准备参数
                    SetRequest(item);
                }
                catch (Exception ex)
                {
                    //配置参数时出错
                    return new HttpResult() { Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message };
                }
                try
                {
                    //请求数据
                    using (response = (HttpWebResponse)request.GetResponse())
                    {
                        GetData(item, result);
                    }
                }
                catch (WebException ex)
                {
                    if (ex.Response != null)
                    {
                        using (response = (HttpWebResponse)ex.Response)
                        {
                            GetData(item, result);
                        }
                    }
                    else
                    {
                        result.Html = ex.Message;
                    }
                }
                catch (Exception ex)
                {
                    result.Html = ex.Message;
                }
                if (item.IsToLower) result.Html = result.Html.ToLower();
                return result;
            }
            #endregion
    
            #region GetData
    
            /// <summary>
            /// 获取数据的并解析的方法
            /// </summary>
            /// <param name="item"></param>
            /// <param name="result"></param>
            private void GetData(HttpItem item, HttpResult result)
            {
                if (response == null)
                {
                    return;
                }
                #region base
                //获取StatusCode
                result.StatusCode = response.StatusCode;
                //获取StatusDescription
                result.StatusDescription = response.StatusDescription;
                //获取Headers
                result.Header = response.Headers;
                //获取最后访问的URl
                result.ResponseUri = response.ResponseUri.ToString();
                //获取CookieCollection
                if (response.Cookies != null) result.CookieCollection = response.Cookies;
                //获取set-cookie
                if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
                #endregion
    
                #region byte
                //处理网页Byte
                byte[] ResponseByte = GetByte();
                #endregion
    
                #region Html
                if (ResponseByte != null && ResponseByte.Length > 0)
                {
                    //设置编码
                    SetEncoding(item, result, ResponseByte);
                    //得到返回的HTML
                    result.Html = encoding.GetString(ResponseByte);
                }
                else
                {
                    //没有返回任何Html代码
                    result.Html = string.Empty;
                }
                #endregion
            }
            /// <summary>
            /// 设置编码
            /// </summary>
            /// <param name="item">HttpItem</param>
            /// <param name="result">HttpResult</param>
            /// <param name="ResponseByte">byte[]</param>
            private void SetEncoding(HttpItem item, HttpResult result, byte[] ResponseByte)
            {
                //是否返回Byte类型数据
                if (item.ResultType == ResultType.Byte) result.ResultByte = ResponseByte;
                //从这里开始我们要无视编码了
                if (encoding == null)
                {
                    Match meta = Regex.Match(Encoding.Default.GetString(ResponseByte), "<meta[^<]*charset=([^<]*)[\"']", RegexOptions.IgnoreCase);
                    string c = string.Empty;
                    if (meta != null && meta.Groups.Count > 0)
                    {
                        c = meta.Groups[1].Value.ToLower().Trim();
                    }
                    if (c.Length > 2)
                    {
                        try
                        {
                            encoding = Encoding.GetEncoding(c.Replace("\"", string.Empty).Replace("'", "").Replace(";", "").Replace("iso-8859-1", "gbk").Trim());
                        }
                        catch
                        {
                            if (string.IsNullOrEmpty(response.CharacterSet))
                            {
                                encoding = Encoding.UTF8;
                            }
                            else
                            {
                                encoding = Encoding.GetEncoding(response.CharacterSet);
                            }
                        }
                    }
                    else
                    {
                        if (string.IsNullOrEmpty(response.CharacterSet))
                        {
                            encoding = Encoding.UTF8;
                        }
                        else
                        {
                            encoding = Encoding.GetEncoding(response.CharacterSet);
                        }
                    }
                }
            }
            /// <summary>
            /// 提取网页Byte
            /// </summary>
            /// <returns></returns>
            private byte[] GetByte()
            {
                byte[] ResponseByte = null;
                using (MemoryStream _stream = new MemoryStream())
                {
                    //GZIIP处理
                    if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
                    {
                        //开始读取流并设置编码方式
                        new GZipStream(response.GetResponseStream(), CompressionMode.Decompress).CopyTo(_stream, 10240);
                    }
                    else
                    {
                        //开始读取流并设置编码方式
                        response.GetResponseStream().CopyTo(_stream, 10240);
                    }
                    //获取Byte
                    ResponseByte = _stream.ToArray();
                }
                return ResponseByte;
            }
    
    
            #endregion
    
            #region SetRequest
    
            /// <summary>
            /// 为请求准备参数
            /// </summary>
            ///<param name="item">参数列表</param>
            private void SetRequest(HttpItem item)
            {
    
                // 验证证书
                SetCer(item);
                if (item.IPEndPoint != null)
                {
                    _IPEndPoint = item.IPEndPoint;
                    //设置本地的出口ip和端口
                    request.ServicePoint.BindIPEndPointDelegate = new BindIPEndPoint(BindIPEndPointCallback);
                }
                //设置Header参数
                if (item.Header != null && item.Header.Count > 0) foreach (string key in item.Header.AllKeys)
                    {
                        request.Headers.Add(key, item.Header[key]);
                    }
                // 设置代理
                SetProxy(item);
                if (item.ProtocolVersion != null) request.ProtocolVersion = item.ProtocolVersion;
                request.ServicePoint.Expect100Continue = item.Expect100Continue;
                //请求方式Get或者Post
                request.Method = item.Method;
                request.Timeout = item.Timeout;
                request.KeepAlive = item.KeepAlive;
                request.ReadWriteTimeout = item.ReadWriteTimeout;
                if (!string.IsNullOrWhiteSpace(item.Host))
                {
                    request.Host = item.Host;
                }
                if (item.IfModifiedSince != null) request.IfModifiedSince = Convert.ToDateTime(item.IfModifiedSince);
                //Accept
                request.Accept = item.Accept;
                //ContentType返回类型
                request.ContentType = item.ContentType;
                //UserAgent客户端的访问类型,包括浏览器版本和操作系统信息
                request.UserAgent = item.UserAgent;
                // 编码
                encoding = item.Encoding;
                //设置安全凭证
                request.Credentials = item.ICredentials;
                //设置Cookie
                SetCookie(item);
                //来源地址
                request.Referer = item.Referer;
                //是否执行跳转功能
                request.AllowAutoRedirect = item.Allowautoredirect;
                if (item.MaximumAutomaticRedirections > 0)
                {
                    request.MaximumAutomaticRedirections = item.MaximumAutomaticRedirections;
                }
                //设置Post数据
                SetPostData(item);
                //设置最大连接
                if (item.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = item.Connectionlimit;
            }
            /// <summary>
            /// 设置证书
            /// </summary>
            /// <param name="item"></param>
            private void SetCer(HttpItem item)
            {
                if (!string.IsNullOrWhiteSpace(item.CerPath))
                {
                    //这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。
                    ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
                    //初始化对像,并设置请求的URL地址
                    request = (HttpWebRequest)WebRequest.Create(item.URL);
                    SetCerList(item);
                    //将证书添加到请求里
                    request.ClientCertificates.Add(new X509Certificate(item.CerPath));
                }
                else
                {
                    //初始化对像,并设置请求的URL地址
                    request = (HttpWebRequest)WebRequest.Create(item.URL);
                    SetCerList(item);
                }
            }
            /// <summary>
            /// 设置多个证书
            /// </summary>
            /// <param name="item"></param>
            private void SetCerList(HttpItem item)
            {
                if (item.ClentCertificates != null && item.ClentCertificates.Count > 0)
                {
                    foreach (X509Certificate c in item.ClentCertificates)
                    {
                        request.ClientCertificates.Add(c);
                    }
                }
            }
            /// <summary>
            /// 设置Cookie
            /// </summary>
            /// <param name="item">Http参数</param>
            private void SetCookie(HttpItem item)
            {
                if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
                //设置CookieCollection
                if (item.ResultCookieType == ResultCookieType.CookieCollection)
                {
                    request.CookieContainer = new CookieContainer();
                    if (item.CookieCollection != null && item.CookieCollection.Count > 0)
                        request.CookieContainer.Add(item.CookieCollection);
                }
            }
            /// <summary>
            /// 设置Post数据
            /// </summary>
            /// <param name="item">Http参数</param>
            private void SetPostData(HttpItem item)
            {
                //验证在得到结果时是否有传入数据
                if (!request.Method.Trim().ToLower().Contains("get"))
                {
                    if (item.PostEncoding != null)
                    {
                        postencoding = item.PostEncoding;
                    }
                    byte[] buffer = null;
                    //写入Byte类型
                    if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
                    {
                        //验证在得到结果时是否有传入数据
                        buffer = item.PostdataByte;
                    }//写入文件
                    else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrWhiteSpace(item.Postdata))
                    {
                        StreamReader r = new StreamReader(item.Postdata, postencoding);
                        buffer = postencoding.GetBytes(r.ReadToEnd());
                        r.Close();
                    } //写入字符串
                    else if (!string.IsNullOrWhiteSpace(item.Postdata))
                    {
                        buffer = postencoding.GetBytes(item.Postdata);
                    }
                    if (buffer != null)
                    {
                        request.ContentLength = buffer.Length;
                        request.GetRequestStream().Write(buffer, 0, buffer.Length);
                    }
                }
            }
            /// <summary>
            /// 设置代理
            /// </summary>
            /// <param name="item">参数对象</param>
            private void SetProxy(HttpItem item)
            {
                bool isIeProxy = false;
                if (!string.IsNullOrWhiteSpace(item.ProxyIp))
                {
                    isIeProxy = item.ProxyIp.ToLower().Contains("ieproxy");
                }
                if (!string.IsNullOrWhiteSpace(item.ProxyIp) && !isIeProxy)
                {
                    //设置代理服务器
                    if (item.ProxyIp.Contains(":"))
                    {
                        string[] plist = item.ProxyIp.Split(':');
                        WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
                        //建议连接
                        myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
                        //给当前请求对象
                        request.Proxy = myProxy;
                    }
                    else
                    {
                        WebProxy myProxy = new WebProxy(item.ProxyIp, false);
                        //建议连接
                        myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
                        //给当前请求对象
                        request.Proxy = myProxy;
                    }
                }
                else if (isIeProxy)
                {
                    //设置为IE代理
                }
                else
                {
                    request.Proxy = item.WebProxy;
                }
            }
    
    
            #endregion
    
            #region private main
            /// <summary>
            /// 回调验证证书问题
            /// </summary>
            /// <param name="sender">流对象</param>
            /// <param name="certificate">证书</param>
            /// <param name="chain">X509Chain</param>
            /// <param name="errors">SslPolicyErrors</param>
            /// <returns>bool</returns>
            private bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; }
    
            /// <summary>
            /// 通过设置这个属性,可以在发出连接的时候绑定客户端发出连接所使用的IP地址。 
            /// </summary>
            /// <param name="servicePoint"></param>
            /// <param name="remoteEndPoint"></param>
            /// <param name="retryCount"></param>
            /// <returns></returns>
            private IPEndPoint BindIPEndPointCallback(ServicePoint servicePoint, IPEndPoint remoteEndPoint, int retryCount)
            {
                return _IPEndPoint;//端口号
            }
            #endregion
        }
    
        #region public calss
        /// <summary>
        /// Http请求参考类
        /// </summary>
        public class HttpItem
        {
            /// <summary>
            /// 请求URL必须填写
            /// </summary>
            public string URL { get; set; }
            string _Method = "GET";
            /// <summary>
            /// 请求方式默认为GET方式,当为POST方式时必须设置Postdata的值
            /// </summary>
            public string Method
            {
                get { return _Method; }
                set { _Method = value; }
            }
            int _Timeout = 100000;
            /// <summary>
            /// 默认请求超时时间
            /// </summary>
            public int Timeout
            {
                get { return _Timeout; }
                set { _Timeout = value; }
            }
            int _ReadWriteTimeout = 30000;
            /// <summary>
            /// 默认写入Post数据超时间
            /// </summary>
            public int ReadWriteTimeout
            {
                get { return _ReadWriteTimeout; }
                set { _ReadWriteTimeout = value; }
            }
            /// <summary>
            /// 设置Host的标头信息
            /// </summary>
            public string Host { get; set; }
            Boolean _KeepAlive = true;
            /// <summary>
            ///  获取或设置一个值,该值指示是否与 Internet 资源建立持久性连接默认为true。
            /// </summary>
            public Boolean KeepAlive
            {
                get { return _KeepAlive; }
                set { _KeepAlive = value; }
            }
            string _Accept = "text/html, application/xhtml+xml, */*";
            /// <summary>
            /// 请求标头值 默认为text/html, application/xhtml+xml, */*
            /// </summary>
            public string Accept
            {
                get { return _Accept; }
                set { _Accept = value; }
            }
            string _ContentType = "text/html";
            /// <summary>
            /// 请求返回类型默认 text/html
            /// </summary>
            public string ContentType
            {
                get { return _ContentType; }
                set { _ContentType = value; }
            }
            string _UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
            /// <summary>
            /// 客户端访问信息默认Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
            /// </summary>
            public string UserAgent
            {
                get { return _UserAgent; }
                set { _UserAgent = value; }
            }
            /// <summary>
            /// 返回数据编码默认为NUll,可以自动识别,一般为utf-8,gbk,gb2312
            /// </summary>
            public Encoding Encoding { get; set; }
            private PostDataType _PostDataType = PostDataType.String;
            /// <summary>
            /// Post的数据类型
            /// </summary>
            public PostDataType PostDataType
            {
                get { return _PostDataType; }
                set { _PostDataType = value; }
            }
            /// <summary>
            /// Post请求时要发送的字符串Post数据
            /// </summary>
            public string Postdata { get; set; }
            /// <summary>
            /// Post请求时要发送的Byte类型的Post数据
            /// </summary>
            public byte[] PostdataByte { get; set; }
            /// <summary>
            /// Cookie对象集合
            /// </summary>
            public CookieCollection CookieCollection { get; set; }
            /// <summary>
            /// 请求时的Cookie
            /// </summary>
            public string Cookie { get; set; }
            /// <summary>
            /// 来源地址,上次访问地址
            /// </summary>
            public string Referer { get; set; }
            /// <summary>
            /// 证书绝对路径
            /// </summary>
            public string CerPath { get; set; }
            /// <summary>
            /// 设置代理对象,不想使用IE默认配置就设置为Null,而且不要设置ProxyIp
            /// </summary>
            public WebProxy WebProxy { get; set; }
            private Boolean isToLower = false;
            /// <summary>
            /// 是否设置为全文小写,默认为不转化
            /// </summary>
            public Boolean IsToLower
            {
                get { return isToLower; }
                set { isToLower = value; }
            }
            private Boolean allowautoredirect = false;
            /// <summary>
            /// 支持跳转页面,查询结果将是跳转后的页面,默认是不跳转
            /// </summary>
            public Boolean Allowautoredirect
            {
                get { return allowautoredirect; }
                set { allowautoredirect = value; }
            }
            private int connectionlimit = 1024;
            /// <summary>
            /// 最大连接数
            /// </summary>
            public int Connectionlimit
            {
                get { return connectionlimit; }
                set { connectionlimit = value; }
            }
            /// <summary>
            /// 代理Proxy 服务器用户名
            /// </summary>
            public string ProxyUserName { get; set; }
            /// <summary>
            /// 代理 服务器密码
            /// </summary>
            public string ProxyPwd { get; set; }
            /// <summary>
            /// 代理 服务IP,如果要使用IE代理就设置为ieproxy
            /// </summary>
            public string ProxyIp { get; set; }
            private ResultType resulttype = ResultType.String;
            /// <summary>
            /// 设置返回类型String和Byte
            /// </summary>
            public ResultType ResultType
            {
                get { return resulttype; }
                set { resulttype = value; }
            }
            private WebHeaderCollection header = new WebHeaderCollection();
            /// <summary>
            /// header对象
            /// </summary>
            public WebHeaderCollection Header
            {
                get { return header; }
                set { header = value; }
            }
            /// <summary>
            //     获取或设置用于请求的 HTTP 版本。返回结果:用于请求的 HTTP 版本。默认为 System.Net.HttpVersion.Version11。
            /// </summary>
            public Version ProtocolVersion { get; set; }
            private Boolean _expect100continue = true;
            /// <summary>
            ///  获取或设置一个 System.Boolean 值,该值确定是否使用 100-Continue 行为。如果 POST 请求需要 100-Continue 响应,则为 true;否则为 false。默认值为 true。
            /// </summary>
            public Boolean Expect100Continue
            {
                get { return _expect100continue; }
                set { _expect100continue = value; }
            }
            /// <summary>
            /// 设置509证书集合
            /// </summary>
            public X509CertificateCollection ClentCertificates { get; set; }
            /// <summary>
            /// 设置或获取Post参数编码,默认的为Default编码
            /// </summary>
            public Encoding PostEncoding { get; set; }
            private ResultCookieType _ResultCookieType = ResultCookieType.String;
            /// <summary>
            /// Cookie返回类型,默认的是只返回字符串类型
            /// </summary>
            public ResultCookieType ResultCookieType
            {
                get { return _ResultCookieType; }
                set { _ResultCookieType = value; }
            }
            private ICredentials _ICredentials = CredentialCache.DefaultCredentials;
            /// <summary>
            /// 获取或设置请求的身份验证信息。
            /// </summary>
            public ICredentials ICredentials
            {
                get { return _ICredentials; }
                set { _ICredentials = value; }
            }
            /// <summary>
            /// 设置请求将跟随的重定向的最大数目
            /// </summary>
            public int MaximumAutomaticRedirections { get; set; }
            private DateTime? _IfModifiedSince = null;
            /// <summary>
            /// 获取和设置IfModifiedSince,默认为当前日期和时间
            /// </summary>
            public DateTime? IfModifiedSince
            {
                get { return _IfModifiedSince; }
                set { _IfModifiedSince = value; }
            }
            #region ip-port
            private IPEndPoint _IPEndPoint = null;
            /// <summary>
            /// 设置本地的出口ip和端口
            /// </summary>]
            /// <example>
            ///item.IPEndPoint = new IPEndPoint(IPAddress.Parse("192.168.1.1"),80);
            /// </example>
            public IPEndPoint IPEndPoint
            {
                get { return _IPEndPoint; }
                set { _IPEndPoint = value; }
            }
            #endregion
        }
        /// <summary>
        /// Http返回参数类
        /// </summary>
        public class HttpResult
        {
            /// <summary>
            /// Http请求返回的Cookie
            /// </summary>
            public string Cookie { get; set; }
            /// <summary>
            /// Cookie对象集合
            /// </summary>
            public CookieCollection CookieCollection { get; set; }
            private string _html = string.Empty;
            /// <summary>
            /// 返回的String类型数据 只有ResultType.String时才返回数据,其它情况为空
            /// </summary>
            public string Html
            {
                get { return _html; }
                set { _html = value; }
            }
            /// <summary>
            /// 返回的Byte数组 只有ResultType.Byte时才返回数据,其它情况为空
            /// </summary>
            public byte[] ResultByte { get; set; }
            /// <summary>
            /// header对象
            /// </summary>
            public WebHeaderCollection Header { get; set; }
            /// <summary>
            /// 返回状态说明
            /// </summary>
            public string StatusDescription { get; set; }
            /// <summary>
            /// 返回状态码,默认为OK
            /// </summary>
            public HttpStatusCode StatusCode { get; set; }
            /// <summary>
            /// 最后访问的URl
            /// </summary>
            public string ResponseUri { get; set; }
            /// <summary>
            /// 获取重定向的URl
            /// </summary>
            public string RedirectUrl
            {
                get
                {
                    try
                    {
                        if (Header != null && Header.Count > 0)
                        {
                            if (Header.AllKeys.Any(k => k.ToLower().Contains("location")))
                            {
                                string locationurl = Header["location"].ToString().ToLower();
    
                                if (!string.IsNullOrWhiteSpace(locationurl))
                                {
                                    bool b = locationurl.StartsWith("http://") || locationurl.StartsWith("https://");
                                    if (!b)
                                    {
                                        locationurl = new Uri(new Uri(ResponseUri), locationurl).AbsoluteUri;
                                    }
                                }
                                return locationurl;
                            }
                        }
                    }
                    catch { }
                    return string.Empty;
                }
            }
        }
        /// <summary>
        /// 返回类型
        /// </summary>
        public enum ResultType
        {
            /// <summary>
            /// 表示只返回字符串 只有Html有数据
            /// </summary>
            String,
            /// <summary>
            /// 表示返回字符串和字节流 ResultByte和Html都有数据返回
            /// </summary>
            Byte
        }
        /// <summary>
        /// Post的数据格式默认为string
        /// </summary>
        public enum PostDataType
        {
            /// <summary>
            /// 字符串类型,这时编码Encoding可不设置
            /// </summary>
            String,
            /// <summary>
            /// Byte类型,需要设置PostdataByte参数的值编码Encoding可设置为空
            /// </summary>
            Byte,
            /// <summary>
            /// 传文件,Postdata必须设置为文件的绝对路径,必须设置Encoding的值
            /// </summary>
            FilePath
        }
        /// <summary>
        /// Cookie返回类型
        /// </summary>
        public enum ResultCookieType
        {
            /// <summary>
            /// 只返回字符串类型的Cookie
            /// </summary>
            String,
            /// <summary>
            /// CookieCollection格式的Cookie集合同时也返回String类型的cookie
            /// </summary>
            CookieCollection
        }
        #endregion
    }




    tasktest.rar

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