HttpWebRequest模拟POST提交防止中文乱码

    
    

     
     Encoding myEncoding 
     =
      Encoding.GetEncoding(
     "
     gb2312
     "
     );


     string
      param 
     =
      HttpUtility.UrlEncode(
     "
     aa
     "
     , myEncoding) 
     +
      
     "
     =
     "
      
     +
     

HttpUtility.UrlEncode(
     "
     值A
     "
     , myEncoding);


     byte
     [] bs 
     =
      Encoding.UTF8.GetBytes(param);

HttpWebRequest req 
     =
      (HttpWebRequest)HttpWebRequest.Create(
     "
     http://xxxx.com
     "
     );

req.Method 
     =
      
     "
     POST
     "
     ;

req.UserAgent 
     =
      
     "
     Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.1.4322)
     "
     ;

req.ContentType 
     =
      
     "
     application/x-www-form-urlencoded;charset=gb2312
     "
     ;

req.ContentLength 
     =
      bs.Length;

Stream reqStream 
     =
      req.GetRequestStream();

reqStream.Write(bs, 
     0
     , bs.Length);

reqStream.Close();



WebResponse myWebResponse 
     =
      req.GetResponse();


     using
      (StreamReader sr 
     =
      
     new
      StreamReader(myWebResponse.GetResponseStream(), myEncoding))

{


     //
      返回结果
     


         Response.Write(sr.ReadToEnd());

}