//要抓取的网页地址

 String urlStr = "http://**************/center";

 URL url = new URL(urlStr);

 URLConnection connection = url.openConnection();

 //得到网页的编码方式

 System.out.println(connection.getContentType());

 //读取网页的的内容

 BufferedReader read = new BufferedReader(new InputStreamReader(url.openStream(), "utf-8"));

 File file = new File("d:/test.html");

 BufferedWriter write = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));

 if(read != null){

 String s = null;

 while((s = read.readLine()) != null){

     System.out.println(s);

     write.write(s);

     write.flush();

 }

 read.close();

 write.close();