C # download the webpage source code to obtain the http status code

 

C # download the webpage source code to obtain the http status code

HttpWebRequest hwr = (HttpWebRequest) WebRequest. Create ("http://www.baidu.com ");

Hwr. AllowAutoRedirect = false; // redirection not allowed

Hwr. Timeout = 10000; // connection Timeout setting

Hwr. Method = "GET"; // Protocol: GET, HEAD, POST, PUT, DELETE, TRACE, or OPTIONS.

Try

{

HttpWebResponse hwrs = (HttpWebResponse) hwr. GetResponse ();

MessageBox. Show (int) hwrs. StatusCode). ToString (); // obtain the http Status Code, for example, 200, but 404 cannot be captured.

Stream stream = hwrs. GetResponseStream ();

MessageBox. Show (hwrs. CharacterSet); // get the character encoding of the returned result

StreamReader sr = new StreamReader (stream, Encoding. GetEncoding (hwrs. CharacterSet); // note that the read text Encoding format must be the same as the text Encoding format of the written file.

StreamWriter sw = new StreamWriter ("c: \ B .html", false, Encoding. GetEncoding (hwrs. CharacterSet); // The Encoding format of the written text is the same as that of the read text.

Sw. Write (sr. ReadToEnd ());

Sw. Flush ();

Sw. Close ();

Sr. Close ();

 

 

}

Catch (Exception ex)

{

MessageBox. Show (ex. ToString ());

}

From Shine's holy heaven-Min Chen 〃