java ---输入输出流操作(代码整理)

/** * 将动态页面转化为静态页面 *  * @param u * @param path * @return */public static boolean JspToHtmlByURL(String u, String path) {Logger logger = Logger.getLogger(UserQestionAction.class);String str = "";@SuppressWarnings("unused")int HttpResult;try {URL url = new URL(u);URLConnection uc = url.openConnection();System.out.print(uc);InputStream is = uc.getInputStream();InputStreamReader isr = new InputStreamReader(is, "UTF-8");BufferedReader br = new BufferedReader(isr);System.out.print(br);while (br.ready()) {str += br.readLine() + "\n";}is.close();System.out.print(str);// 写入文件File f = new File(path);OutputStreamWriter write = new OutputStreamWriter(new FileOutputStream(f),"UTF-8"); BufferedWriter o=new BufferedWriter(write);   o.write(str); o.close();str = "";return true;} catch (Exception e) {e.printStackTrace();logger.info(e);return false;}}