tring url = "http://my.b2b.hc360.com/my/turbine/template/firstview,other_login.html";string indata = @"LoginID=mytestcs&Passwd=aabbccdd&LoginChk=true&Submit=%B5%C7%A1%A1%A1%A1%C2%BC"; string outdata=""; CookieContainer myCookieContainer=new CookieContainer();
//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();
//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();
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);
//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();
//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();
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);
using System;
using System.Net;
using System.Web;
public class SRWebClient
{
CookieContainer cookie;
public SRWebClient()
{
cookie=new CookieContainer();
}
/**//// <TgData>
/// <Alias>下载Web源代码</Alias>
/// </TgData>
public string DownloadHtml(string URL)
{
HttpWebRequest request=HttpWebRequest.create(URL) as HttpWebRequest;
request.CookieContainer=cookie;
request.AllowAutoRedirect=false;
WebResponse res=request.GetResponse();
string r="";
System.IO.StreamReader S1 = new System.IO.StreamReader(res.GetResponseStream(), System.Text.Encoding.Default );
try
{
r = S1.ReadToEnd();
}
catch(Exception er)
{
Log l=new Log();
l.writelog("下载Web错误",er.ToString());
}
finally
{
res.Close();
S1.Close();
}
return r;
}
/**//// <TgData>
/// <Alias>下载文件</Alias>
/// </TgData>
public long DownloadFile(string FileURL,string FileSavePath)
{
long Filelength=0;
HttpWebRequest req=HttpWebRequest.create(FileURL) as HttpWebRequest;
req.CookieContainer=cookie;
req.AllowAutoRedirect=true;
HttpWebResponse res=req.GetResponse() as HttpWebResponse;
System.IO.Stream stream=res.GetResponseStream();
try
{
Filelength=res.ContentLength;
byte [] b=new byte[512];
int nReadSize=0;
nReadSize=stream.Read(b,0,512);
System.IO.FileStream fs= System.IO.File.create(FileSavePath);
try
{
while(nReadSize >0)
{
fs.Write(b,0,nReadSize);
nReadSize=stream.Read(b,0,512);
}
}
finally
{
fs.Close();
}
}
catch(Exception er)
{
Log l=new Log();
l.writelog("下载文件错误",er.ToString());
}
finally
{
res.Close();
stream.Close();
}
return Filelength;
}
/**//// <TgData>
/// <Alias>提交数据</Alias>
/// </TgData>
public void Request(string RequestPageURL,RequestData Data)
{
string StrUrl=RequestPageURL;
HttpWebRequest request=HttpWebRequest.create(StrUrl) as HttpWebRequest;
HttpWebResponse response;
string postdata=Data.GetData();
request.Referer=RequestPageURL;
request.AllowAutoRedirect=false;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.01; Windows NT 5.0)";
request.CookieContainer = cookie;
Uri u=new Uri(StrUrl);
if (postdata.Length > 0 ) //包含要提交的数据 就使用Post方式
{
request.ContentType = "application/x-www-form-urlencoded"; //作为表单请求
request.Method = "POST"; //方式就是Post
//把提交的数据换成字节数组
Byte [] B = System.Text.Encoding.Default.GetBytes(postdata);
request.ContentLength = B.Length;
System.IO.Stream SW = request.GetRequestStream(); //开始提交数据
SW.Write(B, 0, B.Length);
SW.Close();
}
response = request.GetResponse() as HttpWebResponse;
response.Close();
}
}
这个是提交的数据类:
using System.Collections;
using System.IO;
public class RequestData
{
ArrayList arr=new ArrayList();
public RequestData()
{
}
public string GetData()
{
string r="";
for(int i=0;i<arr.Count;i++)
{
data d=(data)arr[i];
if(r.Length>0)r+="&";
r+=d.Field+"="+d.Value;
}
return r;
}
public void AddField(string Field,string Value)
{
data a=new data();
a.Field=Field;
a.Value=Value;
arr.Add(a);
}
struct data
{
public string Field,Value;
}
}
可参考
----------------------------try:
string name = Request.Params["username"];