JAVA程序访问页面并读取返回内容

package bl.seven.http;


import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;


public class SevenHttp {


   public String goTo(String address) throws MalformedURLException,
         UnsupportedEncodingException {
      URL url = new URL(address);
      StringBuffer sb = new StringBuffer();
      try {
         url = new URL(address);
         BufferedReader in = new BufferedReader(new InputStreamReader(
               url.openStream(), "UTF-8"));
         String temp = null;
         while ((temp = in.readLine()) != null) {
            sb.append(temp);
         }
         in.close();
      } catch (Exception e) {
         e.printStackTrace();
      } finally {
      }
      return sb.toString();
   }
}