public static String getChinese() {
		String str = null;
		int highPos, lowPos;
		Random random = getRandomInstance();
		highPos = (176 + Math.abs(random.nextInt(39)));
		lowPos = 161 + Math.abs(random.nextInt(93));
		byte[] b = new byte[2];
		b[0] = (new Integer(highPos)).byteValue();
		b[1] = (new Integer(lowPos)).byteValue();
		try {
			str = new String(b, "GB2312");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		return str;
	}