using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Net;
using?System.IO;
using?System.Threading;

namespace?WebQQ2.DLL
{
????///?

????///?2011-1-5
????///?by?hackren
????///?Email:hackren@vip.qq.com
????///?

????public?class?HttpHelper
????{
????????#region?變量定義
????????private??CookieContainer?cc?=?new?CookieContainer（）;
????????private??string?contentType?=?“application/x-www-form-urlencoded“;
????????private??string?accept?=?“*/*“;
????????private??string?userAgent?=?“Mozilla/4.0?（compatible;?MSIE?7.0;?Windows?NT?5.1;?.NET?CLR?2.0.50727;?.NET?CLR?3.0.04506.648;?.NET?CLR?3.5.21022）“;
????????private??Encoding?encoding?=?Encoding.GetEncoding（“utf-8“）;
????????private??int?maxTry?=?300;
????????private??int?currentTry?=?0;
????????public??IWebProxy?Proxy;
????????#endregion
????????#region?變量賦值
????????///?
?
????????///?Cookie
????????///?
?
????????public??CookieContainer?CookieContainer
????????{
????????????get
????????????{
????????????????return?cc;
????????????}
????????}

????????///?
?
????????///?語言
????????///?
?
????????///??
????????public??Encoding?Encoding
????????{
????????????get
????????????{
????????????????return?encoding;
????????????}
????????????set
????????????{
????????????????encoding?=?value;
????????????}
????????}

????????public??int?NetworkDelay
????????{
????????????get
????????????{
????????????????Random?r?=?new?Random（）;
????????????????return?（r.Next（10?600?））;
????????????}
????????}

????????public??int?MaxTry
????????{
????????????get
????????????{
????????????????return?maxTry;
????????????}
????????????set
????????????{
????????????????maxTry?=?value;
????????????}
????????}
????????#endregion

????????#region?獲取HTML
????????///?

????????///?獲取HTML
????????///?

????????///?地址
????????///?post?提交的字符串
????????///?是否是post
????????///?CookieContainer
????????///?html?
????????public??string?GetHtml（string?url?string?postData?bool?isPost?CookieContainer?cookieContainerstring?refurl）
????????{
????????????ServicePointManager.Expect100Continue?=?false;
????????????if?（string.IsNullOrEmpty（postData））
????????????{
????????????????return?GetHtml（url?cookieContainer）;
????????????}

????????????Thread.Sleep（NetworkDelay）;//等待

????????????currentTry++;

????????????HttpWebRequest?httpWebRequest?=?null;
???????????
????????????HttpWebResponse?httpWebResponse?=?null;
????????????try
????????????{
????????????????byte[]?byteRequest?=?Encoding.Default.GetBytes（postData）;

????????????????httpWebRequest?=?（HttpWebRequest）HttpWebRequest.Create（url）;
????????????????if?（Proxy?!=?null）
????????????????????httpWebRequest.Proxy?=?Proxy;
????????????????httpWebR