public static void main(String[] args) {

		try {

			String mytext = java.net.URLEncoder.encode("上海南站", "utf-8");

			System.err.println("mytext: " + mytext);

			String mytxt = URLEncoder.encode("上海南站");

			System.err.println("mytxt: " + mytext);

			//%E4%B8%8A%E6%B5%B7%E5%8D%97%E7%AB%99

			//输出：mytext: %E4%B8%8A%E6%B5%B7%E5%8D%97%E7%AB%99

		} catch (UnsupportedEncodingException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}