利用webclient实现对http协议post和get对网站进行模拟登陆和浏览

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1、利用WebClient实现对Http协议的Post和Get对网站进行模拟登陆和浏览2011-11-2210:10:00我来说两句收藏我要投稿我们在一些场合经常需要模拟浏览器进行一些操作，比如模拟投票，或者模拟点击，或者Web游戏外挂。而C#中封装好的WebClient可以在某些要求不算搞的场景实现Http的Post和Get。具体请见代码：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Net;names

2、paceTestCNM{publicclassWebClientExt{publicstringGet(stringUrl,stringReferer,EncodingEncoder,refstringCookieStr){stringresult="";WebClientmyClient=newWebClient();myClient.Headers.Add("Accept:*/*");myClient.Headers.Add("User-Agent:Mozilla/4.0(compatible;MSIE7.0;WindowsNT

3、5.1;Trident/4.0;.NET4.0E;.NET4.0C;InfoPath.2;.NETCLR2.0.50727;.NETCLR3.0.04506.648;.NETCLR3.5.21022;.NETCLR3.0.4506.2152;.NETCLR3.5.30729;SE2.XMetaSr1.0)");myClient.Headers.Add("Accept-Language:zh-cn");myClient.Headers.Add("Content-Type:multipart/form-data");myClient.H

4、eaders.Add("Accept-Encoding:gzip,deflate");myClient.Headers.Add("Cache-Control:no-cache");if(CookieStr!=""){myClient.Headers.Add(CookieStr);}myClient.Encoding=Encoder;result=myClient.DownloadString(Url);if(CookieStr==""){CookieStr=myClient.ResponseHeaders["Set-Cookie"]

5、.ToString();CookieStr=GetCookie(CookieStr);}returnresult;}publicstringPost(stringUrl,stringReferer,EncodingEncoder,refstringCookieStr,stringData){stringresult="";WebClientmyClient=newWebClient();myClient.Headers.Add("Accept:*/*");myClient.Headers.Add("User-Agent:Mozill

6、a/4.0(compatible;MSIE7.0;WindowsNT5.1;Trident/4.0;.NET4.0E;.NET4.0C;InfoPath.2;.NETCLR2.0.50727;.NETCLR3.0.04506.648;.NETCLR3.5.21022;.NETCLR3.0.4506.2152;.NETCLR3.5.30729;SE2.XMetaSr1.0)");myClient.Headers.Add("Accept-Language:zh-cn");myClient.Headers.Add("Content-Typ

7、e:multipart/form-data");myClient.Headers.Add("Accept-Encoding:gzip,deflate");myClient.Headers.Add("Cache-Control:no-cache");if(CookieStr!=""){myClient.Headers.Add(CookieStr);}myClient.Encoding=Encoder;result=myClient.UploadString(Url,Data);if(CookieStr==""){CookieStr=m

8、yClient.ResponseHeaders["Set-Cookie"].ToString();CookieStr=GetCookie(CookieStr);}returnresult;}privatestringGetCookie