向某网址Post信息，并得到Cookies代码,CSharp代码库,德仔网

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【CSharp】向某网址Post信息，并得到Cookies

作者:涣海 / 发布于2015/11/4/ 693


	using System.Net;
	using System.IO;
	using System.Text;
	[STAThread]
	static void Main(string[] args)
	{

	string url="http://hi.baidu.com/yimeng3025/test.asp";

	string indata="aa=zhuye";
	string outdata="";
	CookieContainer myCookieContainer=new CookieContainer();
	字串8

	//新建一个CookieContainer来存放Cookie集合
	HttpWebRequest myHttpWebRequest=(HttpWebRequest)WebRequest.Create(url);
	//新建一个HttpWebRequest
	myHttpWebRequest.ContentType="application/x-www-form-urlencoded";
	myHttpWebRequest.ContentLength=indata.Length;
	myHttpWebRequest.Method="POST";
	myHttpWebRequest.CookieContainer=myCookieContainer;
	//设置HttpWebRequest的CookieContainer为刚才建立的那个myCookieContainer
	Stream myRequestStream=myHttpWebRequest.GetRequestStream();
	StreamWriter myStreamWriter=new StreamWriter(myRequestStream,Encoding.GetEncoding("gb2312"));
	myStreamWriter.Write(indata);
	//把数据写入HttpWebRequest的Request流
	myStreamWriter.Close();
	myRequestStream.Close();
	//关闭打开对象
	HttpWebResponse myHttpWebResponse=(HttpWebResponse)myHttpWebRequest.GetResponse();
	字串9

	//新建一个HttpWebResponse
	myHttpWebResponse.Cookies=myCookieContainer.GetCookies(myHttpWebRequest.RequestUri);
	//获取一个包含url的Cookie集合的CookieCollection
	Stream myResponseStream=myHttpWebResponse.GetResponseStream();
	StreamReader myStreamReader=new StreamReader(myResponseStream,Encoding.GetEncoding("gb2312"));
	outdata=myStreamReader.ReadToEnd();
	//把数据从HttpWebResponse的Response流中读出
	myStreamReader.Close();
	myResponseStream.Close();
	Console.WriteLine(outdata);
	//显示"登录"

	//拿到了Cookie，再进行请求就能直接读取到登录后的内容了
	myHttpWebRequest=(HttpWebRequest)WebRequest.Create(url);
	myHttpWebRequest.CookieContainer=myCookieContainer;//*
	//刚才那个CookieContainer已经存有了Cookie,把它附加到HttpWebRequest中则能直接通过验证
	myHttpWebResponse=(HttpWebResponse)myHttpWebRequest.GetResponse();
	字串1

	
	myHttpWebResponse.Cookies=myCookieContainer.GetCookies(myHttpWebRequest.RequestUri);
	myResponseStream=myHttpWebResponse.GetResponseStream();
	myStreamReader=new StreamReader(myResponseStream,Encoding.GetEncoding("gb2312"));
	outdata=myStreamReader.ReadToEnd();
	myStreamReader.Close();
	myResponseStream.Close();
	Console.WriteLine(outdata);
	//再次显示"登录"
	//如果把*行注释调，就显示"没有登录"
	}

试试其它关键字

　Post信息　　 Cookies　

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