创建HttpRequest传输数据

 

代码

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Text;
using  System.IO;
using  System.Net;

namespace  Bookmark.HttpAPI
{
     public   class  WebRequestAPI
    {
         private   static  CookieContainer cookie = new  CookieContainer ();


         #region  同步通过POST方式发送数据
         ///   <summary>
         ///  通过POST方式发送数据
         ///   </summary>
         ///   <param name="Url"> url </param>
         ///   <param name="postDataStr"> Post数据 </param>
         ///   <param name="cookie"> Cookie容器 </param>
         ///   <returns></returns>
         public   static   string  SendDataByPost( string  Url,  string  postDataStr)
        {
            HttpWebRequest request  =  (HttpWebRequest)WebRequest.Create(Url);
             if  (cookie.Count  ==   0 )
            {
                request.CookieContainer  =   new  CookieContainer();
                cookie  =  request.CookieContainer;
            }
             else
            {
                request.CookieContainer  =  cookie;
            }

            request.Method  =   " POST " ;
            request.ContentType  =   " application/x-www-form-urlencoded " ;
            request.ContentLength  =  postDataStr.Length;
            Stream myRequestStream  =  request.GetRequestStream();
            StreamWriter myStreamWriter  =   new  StreamWriter(myRequestStream, Encoding.GetEncoding( " gb2312 " ));
            myStreamWriter.Write(postDataStr);
            myStreamWriter.Close();

            HttpWebResponse response  =  (HttpWebResponse)request.GetResponse();
            Stream myResponseStream  =  response.GetResponseStream();
            StreamReader myStreamReader  =   new  StreamReader(myResponseStream, Encoding.GetEncoding( " utf-8 " ));
             string  retString  =  myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();

             return  retString;
        }
         #endregion

         #region  同步通过GET方式发送数据
         ///   <summary>
         ///  通过GET方式发送数据
         ///   </summary>
         ///   <param name="Url"> url </param>
         ///   <param name="postDataStr"> GET数据 </param>
         ///   <param name="cookie"> GET容器 </param>
         ///   <returns></returns>
         public   static   string  SendDataByGET( string  Url,  string  postDataStr)
        {
            HttpWebRequest request  =  (HttpWebRequest)WebRequest.Create(Url  +  (postDataStr  ==   ""   ?   ""  :  " ? " )  +  postDataStr);
             if  (cookie.Count  ==   0 )
            {
                request.CookieContainer  =   new  CookieContainer();
                cookie  =  request.CookieContainer;
            }
             else
            {
                request.CookieContainer  =  cookie;
            }

            request.Method  =   " GET " ;
            request.ContentType  =   " text/html;charset=UTF-8 " ;

            HttpWebResponse response  =  (HttpWebResponse)request.GetResponse();
            Stream myResponseStream  =  response.GetResponseStream();
            StreamReader myStreamReader  =   new  StreamReader(myResponseStream, Encoding.GetEncoding( " utf-8 " ));
             string  retString  =  myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();

             return  retString;
        }
         #endregion
    }
}