你如何登录到一个网页，检索其在C＃中的内容？ [英] How do you login to a webpage and retrieve its content in C#?

问题描述

你如何登录到一个网页，检索其在C＃中的内容？

解决方案

 字符串POSTDATA =用户ID =杜肯;
            POSTDATA + =＆放大器;用户名= camarche;
            字节[]数据= Encoding.ASCII.GetBytes（POSTDATA）;
            WebRequest的REQ = WebRequest.Create（
                URL）;
            req.Method =POST;
            req.Co​​ntentType =应用/的X WWW的形式urlen codeD;
            req.Co​​ntentLength = data.Length;
            方通流= req.GetRequestStream（）;
            newStream.Write（数据，0，data.Length）;
            newStream.Close（）;
            StreamReader的读者=新的StreamReader（req.GetResponse（）GetResponseStream（），System.Text.Encoding.GetEncoding（ISO-8859-1）。）;
            字符串COCO = reader.ReadToEnd（）;
 

How do you login to a webpage and retrieve its content in C#?

解决方案

string postData = "userid=ducon";
            postData += "&username=camarche" ;
            byte[] data = Encoding.ASCII.GetBytes(postData);
            WebRequest req = WebRequest.Create(
                URL);
            req.Method = "POST";
            req.ContentType = "application/x-www-form-urlencoded";
            req.ContentLength = data.Length;
            Stream newStream = req.GetRequestStream();
            newStream.Write(data, 0, data.Length);
            newStream.Close();
            StreamReader reader = new StreamReader(req.GetResponse().GetResponseStream(), System.Text.Encoding.GetEncoding("iso-8859-1"));
            string coco = reader.ReadToEnd();

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