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【Asp.Net】调用web service返回字符串

作者:dezai / 发布于2014/4/10/ 232

调用web service返回字符串

public string getServiceResult(string serviceUrl) {
  HttpWebRequest HttpWReq;
  HttpWebResponse HttpWResp;
  HttpWReq = (HttpWebRequest)WebRequest.Create(serviceUrl);
  HttpWReq.Method = "GET";
  HttpWResp = (HttpWebResponse)HttpWReq.GetResponse();
  if (HttpWResp.StatusCode == HttpStatusCode.OK)
  {
    //Consume webservice with basic XML reading, assumes it returns (one) string
    XmlReader reader = XmlReader.Create(HttpWResp.GetResponseStream());
    while (reader.Read())
    {
      reader.MoveToFirstAttribute();
      if (reader.NodeType == XmlNodeType.Text)
      {
        return reader.Value;
      }
    }
    return String.Empty;
  }
  else
  {
    throw new Exception("Error on remote IP to Country service: "+ HttpWResp.StatusCode.ToString());
  }
}

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