#.NET分别以GET和POST方式抓取远程页面

引入命名空间
using  System.IO;
using  System.Net;
using  System.Text;
using  System.Text.RegularExpressions;

// 以GET方式抓取远程页面内容
     public   string  Get_Http( string  tUrl)
    {
         string  strResult;
         try
        {
            HttpWebRequest hwr  =  (HttpWebRequest)HttpWebRequest.Create(tUrl);
            hwr.Timeout  =   19600 ;
            HttpWebResponse hwrs  =  (HttpWebResponse)hwr.GetResponse();
            Stream myStream  =  hwrs.GetResponseStream();
            StreamReader sr  =   new  StreamReader(myStream, Encoding.Default);
            StringBuilder sb  =   new  StringBuilder();
             while  ( - 1   !=  sr.Peek())
            {
                sb.Append(sr.ReadLine()  +   " \r\n " );
            }
            strResult  =  sb.ToString();
            hwrs.Close();
        }
         catch  (Exception ee)
        {
            strResult  =  ee.Message;
        }
         return  strResult;
    }

// 以POST方式抓取远程页面内容
// postData为参数列表
     public   string  Post_Http( string  url,  string  postData,  string  encodeType,  out   string  err)
    {
         string  uriString  =  url;
         byte [] byteArray;
         byte [] responseArray;
         // postData = "checkvalue=32&bbb=%CD%B6%C6%B1&ilc=0&kkk=22";
        Encoding encoding  =  Encoding.GetEncoding(encodeType);
         try
        {
            WebClient myWebClient  =   new  WebClient();
            WebHeaderCollection myWebHeaderCollection;
            myWebClient.Headers.Add( " Content-Type " ,  " application/x-www-form-urlencoded " );
             // myWebClient.Headers.Add("Referer"," http://xxxxx/xxxxxxxxxxxxxxxxxxxxxxxx ");  
             // myWebClient.Headers.Add("Accept-Language","zh-cn");  
            myWebHeaderCollection  =  myWebClient.Headers;

            byteArray  =  encoding.GetBytes(postData);
            responseArray  =  myWebClient.UploadData(uriString,  " POST " , byteArray);
            err  =   string .Empty;
             return   this .StrClearNoUse(encoding.GetString(responseArray));
        }
         catch  (Exception ex)
        {
            err  =  ex.Message;
             return   string .Empty;
        }
    }