public static String getWeb() throws Exception{
		String strUrl = "http://www.cnblogs.com/sl-shilong/articles/2860412.html";
		URL url = new URL(strUrl);
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		conn.setConnectTimeout(10000);
		conn.setRequestMethod("GET");
		String str = null;
		
		if(conn.getResponseCode() == 200){  //ȡ		
			InputStreamReader inRead = new InputStreamReader(conn.getInputStream(),"UTF-8");
		 	BufferedReader bufRead = new BufferedReader(inRead);
		 	
		 	StringBuffer strBuf = new StringBuffer();
		 	String line = "";
		 	while((line = bufRead.readLine()) != null){
		 		strBuf.append(line);
		 	}
		 	inRead.close();
		 	bufRead.close();
		 	
		 	str = strBuf.toString();  //StringBuffereתΪString
		}

//htmlԴд뱾ϵͳtxtļ
		FileOutputStream fos = new FileOutputStream("e:/baidu.txt"); 
		byte[] str1 = str.getBytes();
		fos.write(str1);
	 	fos.close();
	 	
		return str;
	}