private String getPage(String url) throws MalformedURLException, Throwable {
		if(url == "") {
			return "";
		}
		String strHtml = "";
		//URLConnection
		URLConnection uc = new URL(url).openConnection();
		//IO󣬶ȡҳݣΪutf-8
		InputStream in = new BufferedInputStream(uc.getInputStream());
		StringBuffer temp = new StringBuffer();
	    Reader rd = new InputStreamReader(in,"UTF-8");
	    int c = 0;
	    while ((c = rd.read()) != -1) {
	        temp.append((char) c);
	    }
	    in.close();
	    strHtml = temp.toString();
	    //
	    File file = new File("D:\\baidu"+ n +".html"); 
	    n++;
        file.delete();  
        file.createNewFile();  
	    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(  
                new FileOutputStream(file), "utf-8"));  
        writer.write(strHtml);  
        writer.close();
	    //
		return strHtml;
	}