HttpWebRequest 请求数据

string fullUrl =  "http://vip.AAA.cn/PreviewInterfaceAction.action?code=vip0008&data_digest=vip&receiveprovince=广东省&receivecity=深圳市&receivearea=南山区";

 HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(fullUrl);

 //request.Method = "GET";    //POST

 string res = string.Empty;

 HttpWebResponse response = (HttpWebResponse)request.GetResponse();

 StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

 res = reader.ReadToEnd();

 reader.Close();

 return res;