C#后台發送HTTP請求

 

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

     {

         //注：本次請求為向androidpnserver發送請求實現后台向客戶端的消息推送

         public  string  SentHttpRequest()

         { 

             //請求路徑

             string  url =  "http://localhost:7070/notification.do" ;

             

             //定義request並設置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#發送后台請求" ;

             postData +=  "&message=利用C#后台向androidpnserver發送HTTP請求實現客戶端的消息推送功能。" ;

             

             //設置參數的編碼格式，解決中文亂碼

             byte [] byteArray = Encoding.UTF8.GetBytes(postData);

             

             //設置request的MIME類型及內容長度

             request.ContentType =  "application/x-www-form-urlencoded" ;

             request.ContentLength = byteArray.Length;

             

             //打開request字符流

             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();

             

             //獲取相應的狀態代碼

             Console.WriteLine(((HttpWebResponse)response).StatusDescription);

             

             //定義response字符流

             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;

         }

     }

}