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asp.net http post接口的有关问题

热度:111   发布时间:2016-04-25 01:57:53.0
asp.net http post接口的问题?
protected void btnLoad_Click(object sender, EventArgs e)
 {
  //入口地址为:http://125.208.3.12:8888/sms.aspx
  string url="http://125.208.3.12:8888/sms.aspx?action=overage&userid=1152&account=111&password=111";
  Response.ClearContent();
  Response.Write(Post(urll));
  Response.End();
 }
   

public string Post(string url)
  {
  string returnData = null;
  try
  {
  HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(url);
  webReq.Method = "POST";
  webReq.ContentType = "application/x-www-form-urlencoded";
  Stream postData = webReq.GetRequestStream();
  postData.Close();
  HttpWebResponse webResp = (HttpWebResponse)webReq.GetResponse();
  Stream answer = webResp.GetResponseStream();
  StreamReader answerData = new StreamReader(answer);
  returnData = answerData.ReadToEnd();

  }
  catch (Exception ex)
  {
  Response.Write(ex.Message);
  }
  return returnData.Trim()+"\n";
  }
现在的问题是它return是xml形式的string,我怎样得到它标签里边的值?还有如果post(string url)的url改为入口地址,那参数怎么办,这方法又该怎么写?小生不才,望同业好手指点迷经,小弟在线等.. 


------解决方案--------------------
C# code
byte[] byts = new byte[Request.InputStream.Length];            Request.InputStream.Read(byts, 0, byts.Length);            string req = System.Text.Encoding.UTF8.GetString(byts);             XmlDocument xml = new XmlDocument();            Response.ContentEncoding = System.Text.Encoding.UTF8;            Response.ContentType = "text/xml ";            xml.LoadXml(req);            XmlNodeList topm = xml.DocumentElement.ChildNodes;            foreach (XmlElement element in topm)            {                if (element.Name.ToLower() == "row")                {                    //得到该节点的子节点                    XmlNodeList nodelist = element.ChildNodes;                    if (nodelist.Count > 0)                    {                        foreach (XmlNode el in nodelist)//读元素值                        {                                                    }                    }           }     }
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