HttpRequest Get and Post call methods on other pages

  • 2020-05-30 19:52:00
  • OfStack


  //Get Request way 
    private string RequestGet(string Url)
    {
        string PageStr = string.Empty;// Used for storage and return html
        Uri url = new Uri(Url);//Uri class   Provide system 1 Resource identifier  (URI)  Object representation and pair  URI  Easy access to all parts. Is the handling url address 
        try
        {
            HttpWebRequest httprequest = (HttpWebRequest)WebRequest.Create(url);// According to the url Address to create HTTpWebRequest object 
            #region  Parameter Settings 
            httprequest.Method = "get";
            //--------------------------------------------- set 1 Some parameters (not necessary) 
            //httprequest.KeepAlive = false;// The persistent connection is set to false
            //httprequest.ProtocolVersion = HttpVersion.Version11;//  The version of the network protocol 
            //httprequest.Proxy = WebProxy.GetDefaultProxy();// Server agent 
            //httprequest.ContentType = "application/x-www-form-urlencoded";//http  head 
            //httprequest.AllowAutoRedirect = true;
            //httprequest.MaximumAutomaticRedirections = 10;
            //httprequest.Timeout = 30000;// Set the timeout 10 Seconds (milliseconds) 
            //httprequest.UserAgent = "mozilla/4.0 (compatible; msie 6.0; windows nt 5.1)"; // The browser 
            //=================================================
            #endregion
            HttpWebResponse response = (HttpWebResponse)httprequest.GetResponse();// use HttpWebResponse Gets the return value of the request 
            Stream steam = response.GetResponseStream();// Gets the data flow from the return object 
            StreamReader reader = new StreamReader(steam, Encoding.GetEncoding("gb2312"));// Read the data Encoding.GetEncoding("gb2312") Refers to the code is gb2312 , don't let the Chinese will be garbled 
            PageStr = reader.ReadToEnd();
            reader.Close();
        }
        catch (Exception e)
        {
            PageStr += e.Message;
        }
        return PageStr;
    }


//Post Request mode, yu Get Is written in a similar way, so there is less explanation 1 O 'clock 
 
  private string RequestPost(string Url,string Context)// The two parameters are Url The address and Post Past data 
    {
        string PageStr=string.Empty;
        Uri url = new Uri(Url);
        byte[] reqbytes=Encoding.ASCII.GetBytes(Context);
        try
        {
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "post";
            req.ContentType = "application/x-www-form-urlencoded";
            req.ContentLength = reqbytes.Length;
            Stream stm = req.GetRequestStream();
            stm.Write(reqbytes, 0, reqbytes.Length);

            stm.Close();
            HttpWebResponse wr = (HttpWebResponse)req.GetResponse();
            Stream stream = wr.GetResponseStream();
            StreamReader srd= new StreamReader(stream,Encoding.GetEncoding("gb2312"));
            PageStr += srd.ReadToEnd();
            stream.Close();
            srd.Close();
        }
        catch (Exception e)
        {
            PageStr += e.Message;
        }
        return PageStr; 
    }


public string WebClientGet(string url)
        {
            var client = new WebClient();
            client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
            var stream = client.OpenRead(url);
            if (stream == null) return "";
            var reader = new StreamReader(stream, Encoding.Default);
            var result = reader.ReadToEnd();
            stream.Close();
            reader.Close();
            return result;
        }


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