我需要写一个程序自动登录的慧聪网(www.hc360.com),然后从上面任意读取页面内容。我从 CSDN 上粘贴了一些例子,但还是登录不上去,无法读取其他需要登录的页面内容,不知道原因望大家帮帮忙看看,很急这用。慧聪网登录地址:http://b2b.hc360.com/rewrite-url/www/dl.html
用户名:mytestcs
密 码:aabbccdd源代码如下(CSDN 上粘来改的),请大家帮我看看改一下。 string url = "http://b2b.hc360.com/rewrite-url/www/dl.html"; string indata = "LoginID=mytestcs&Passwd=aabbccdd";
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);
用户名:mytestcs
密 码:aabbccdd源代码如下(CSDN 上粘来改的),请大家帮我看看改一下。 string url = "http://b2b.hc360.com/rewrite-url/www/dl.html"; string indata = "LoginID=mytestcs&Passwd=aabbccdd";
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);
解决方案 »
- C#如何实现将datagridview中的数据导出到excel模板中?
- 把类作为参数在窗体间传送
- VS2005中文提示变英文了。。
- 如何将excel的数据导入到datagridview控件中
- spread 选中行/自动滚动的问题
- 求助怎么弄出来C:\windows\assembly\GAC路径下的DLL
- 使用VS 2005时出现错误提示.
- 急!急!急~!高手帮忙!SqlDataAdapter中用带参数的存储过程问题~!十分郁闷!~!再现等~~~~
- C# Winform 中下拉列表框数据怎么动态变化
- C#中如何控制音量
- c#如何构建一个数据库服务端的windows使之安规定时间定期去数据库清理记录
- 把长度为a的线任意折成3条,问能折成一个三角形的概率是多少? 用程序怎么实现。
string url = "http://b2b.hc360.com/rewrite-url/www/dl.html";
string indata = "LoginID=mytestcs&Passwd=aabbccdd"; -->string 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";