C#後台發送HTTP請求

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轉載自：http://www.cnblogs.com/leon719/p/4263673.html

using System.Collections.Generic;

using  System.Linq; using  System.Text; using  System.Net; using  System.IO; using  System;  namespace  KL.EDMS.Business.Report {      public  class  FaultCountLogic      {          //註：本次請求為向androidpnserver發送請求實現後台向用戶端的訊息推送          public  string  SentHttpRequest()          {               //請求路徑              string  url =  "http://localhost:7070/notification.do" ;                            //定義request並設定request的路徑              WebRequest request = WebRequest.Create(url);                            //定義請求的方式              request.Method =  "POST" ;                            //初始化request參數              string  postData =  "action=send&broadcast=Y&uri=112332&username=f8df247d0b2b4277b122f68c94c2caab" ;              postData += "&title=C#發送後台請求" ;              postData +=  "&message=利用C#後台向androidpnserver發送HTTP請求實現用戶端的訊息推送功能。" ;                            //設定參數的編碼格式，解決中文亂碼              byte [] byteArray = Encoding.UTF8.GetBytes(postData);                            //設定request的MIME類型及內容長度              request.ContentType =  "application/x-www-form-urlencoded" ;              request.ContentLength = byteArray.Length;                            //開啟request字元流              Stream dataStream = request.GetRequestStream();              dataStream.Write(byteArray, 0, byteArray.Length);              dataStream.Close();                            //定義response為前面的request響應              WebResponse response = request.GetResponse();                            //擷取相應的狀態碼              Console.WriteLine(((HttpWebResponse)response).StatusDescription);                            //定義response字元流              dataStream = response.GetResponseStream();              StreamReader reader =  new  StreamReader(dataStream);              string  responseFromServer = reader.ReadToEnd(); //讀取所有              Console.WriteLine(responseFromServer);                            //關閉資源              reader.Close();              dataStream.Close();              response.Close();               return  responseFromServer;          }      } }

C#後台發送HTTP請求