///?

///?類說(shuō)明：HttpHelper類，用來(lái)實(shí)現(xiàn)Http訪問(wèn)，Post或者Get方式的，直接訪問(wèn)，帶Cookie的，帶證書(shū)的等方式，可以設(shè)置代理
///?重要提示：請(qǐng)不要自行修改本類，如果因?yàn)槟阕约盒薷暮髮o(wú)法升級(jí)到新版本。如果確實(shí)有什么問(wèn)題請(qǐng)到官方網(wǎng)站提建議，
///?我們一定會(huì)及時(shí)修改
///?編碼日期：2011-09-20
///?編?碼?人：蘇飛
///?聯(lián)系方式：361983679??
///?官方網(wǎng)址：http://www.sufeinet.com/thread-3-1-1.html
///?修改日期：2017-09-30
///?版?本?號(hào)：1.9
///?

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?SufeiUtil
{
????///?

????///?Http連接操作幫助類
????///?

????public?class?HttpHelper
????{
????????#region?預(yù)定義方變量
????????//默認(rèn)的編碼
????????private?Encoding?encoding?=?Encoding.Default;
????????//Post數(shù)據(jù)編碼
????????private?Encoding?postencoding?=?Encoding.Default;
????????//HttpWebRequest對(duì)象用來(lái)發(fā)起請(qǐng)求
????????private?HttpWebRequest?request?=?null;
????????//獲取影響流的數(shù)據(jù)對(duì)象
????????private?HttpWebResponse?response?=?null;
????????//設(shè)置本地的出口ip和端口
????????private?IPEndPoint?_IPEndPoint?=?null;
????????#endregion

????????#region?Public

????????///?

????????///?根據(jù)相傳入的數(shù)據(jù)，得到相應(yīng)頁(yè)面數(shù)據(jù)
????????///?

????????///?參數(shù)類對(duì)象
????????///?返回HttpResult類型
????????public?HttpResult?GetHtml（HttpItem?item）
????????{
????????????//返回參數(shù)
????????????HttpResult?result?=?new?HttpResult（）;
????????????try
????????????{
????????????????//準(zhǔn)備參數(shù)
????????????????SetRequest（item）;
????????????}
????????????catch?（Exception?ex）
????????????{
????????????????//配置參數(shù)時(shí)出錯(cuò)
????????????????return?new?HttpResult（）?{?Cookie?=?string.Empty?Header?=?null?Html?=?ex.Message?StatusDescription?=?“配置參數(shù)時(shí)出錯(cuò)：“?+?ex.Message?};
????????????}
????????????try
????????????{
????????????????//請(qǐng)求數(shù)據(jù)
????????????????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（）;
????????????//重置request，response為空
????????????if?（item.IsReset）
????????????{
????????????????request?=?null;
????????????????response?=?null;
????????????}
????????????return?result;
????????}
????????#endregion

????????#region?GetData

????????///?

????????///?獲取數(shù)據(jù)的并解析的方法
????????///?

????????