获取网页内容

using System;
using System.Net;
using System.Text;
using System.IO;
class Test {
 [STAThread]
 public static void Main(string[] args) {
  Uri uri = new Uri("http://www.apache.org");
  WebRequest wr = WebRequest.Create(uri);
  Stream s = wr.GetResponse().GetResponseStream();
  StreamReader sr = new StreamReader(s, Encoding.Default);
  Console.WriteLine(sr.ReadToEnd());
  sr.Close();
  s.Close();
  Console.ReadLine();
 }
}