转：java得到一个给定url的内容

copier8

转载自：http://blog.csdn.net/rascalboy520/article/details/2503998
 

public static String getHtml(String tempurl,String code){    try{   URL url = new URL(tempurl);    HttpURLConnection conn = (HttpURLConnection)url.openConnection();    conn.connect();   InputStream is = conn.getInputStream();   BufferedReader br = new BufferedReader(new InputStreamReader(is,code));   String line="";   StringBuffer resultBuffer = new StringBuffer();   while((line = br.readLine())!=null){     resultBuffer.append(line);    }    br.close();    is.close();    conn.disconnect();   return resultBuffer.toString();  }  catch(Exception e){}  return null; }其中，tempurl为指定的url地址，code是指定url页面的页面编码