C#get, Post

(1) Get

Send URL Request

Set Request mode

Format Request Content

Get response object, receive stream

Read stream

  Private stringGet (stringURL) {            stringall =string.            Empty; //Send RequestHttpWebRequest request =WebRequest.Create(URL) asHttpWebRequest; Request. Method="Get";//Setup MethodRequest. ContentType ="Text/html;charset=utf-8"; //Get a responseHttpWebResponse response =(HttpWebResponse) Request.            GetResponse (); //Read StreamStream stream =Response.            GetResponseStream (); StreamReader SR=NewStreamReader (stream, Encoding.UTF8); All=Sr.            ReadToEnd (); //Close the streamStream.            Close (); Sr.            Close (); returnAll ; }

(2) Post

Send URL Request

Set Request mode

Format Request Content

Set the request content length (can not be set) (length is the length of the byte array, not the length of the string type)

Add post data to the request stream (heavy GetRequestStream ())

Receive response object, receive stream

Read stream

  Public Static stringPost (stringPostData,stringURL)            {HttpWebResponse hw; stringresult =string.            Empty; HttpWebRequest req=(HttpWebRequest) webrequest.create (URL); Req. Method="POST"; Req. ContentType="Application/json"; #regionAdd Post Parametersbyte[] data =Encoding.UTF8.GetBytes (postdata); req. ContentLength = data. Length; using(Stream Reqstream = req. GetRequestStream ()) { reqstream.write (data, 0 , data.            LENGTH);//Put the Post object into the request stream reqstream.close (); }            #endregion            Try{HttpWebResponse resp=(HttpWebResponse) req.                GetResponse (); Stream Stream=resp.                GetResponseStream (); //Get Response Content                using(StreamReader reader =NewStreamReader (Stream, Encoding.UTF8)) {Result=Reader.                ReadToEnd (); }            }            Catch(WebException W) {HW=(HttpWebResponse) w.response; StreamReader SR=NewStreamReader (HW. GetResponseStream (), Encoding.UTF8,false); Result=Sr.            ReadToEnd (); }            returnresult; }

C#get, Post