HttpWebRequest、HttpWebResponse封装类源码

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1、HttpWebRequest、HttpWebResponse封装类源码1234567891011121314151617181920212223242526272829303132333435using System;using System.Collections.Generic;using System.Text;using System.Net;using System.IO;using System.Threading; namespace jayleke{    public class HttpHelper    

2、{        #region私有变量        private static CookieContainercc=new CookieContainer();        private static string contentType="application/x-www-form-urlencoded";        private static string accept="image/gif,image/x-xbitmap,image/jpeg,image/pjpeg,application/x-shoc

3、kwave-flash,application/x-silverlight,application/vnd.ms-excel,application/vnd.ms-powerpoint,application/msword,application/x-ms-application,application/x-ms-xbap,application/vnd.ms-xpsdocument,application/xaml+xml,application/x-silverlight-2-b1,*/*";        private

4、 static string userAgent="Mozilla/4.0(compatible;MSIE7.0;WindowsNT5.1;.NETCLR2.0.50727;.NETCLR3.0.04506.648;.NETCLR3.5.21022)";        private static Encodingencoding=Encoding.GetEncoding("utf-8");        private static int delay=3000;//延迟访问防止连续访问被发现        private 

5、static int maxTry=300;        private static int currentTry=0;        #endregion         #region属性        ///

6、rCookieContainer        {            get            {                return cc;            }        }         ///

7、{                return encoding;            }            set            {                encoding=value;            }        }         public static int NetworkDelay        {            get            {                Randomr=new Random();                return (r.

8、Next(delay/1000,delay/1000*2))*1000;            }            set            {                delay=value;727374757677787980818283848586878