code: private static int getChsAscii(String chs) {
  		int asc = 0;
  		byte[] bytes = chs.getBytes(CharsetUtil.CHARSET_GBK);
  		switch (bytes.length) {
  		case 1:
  			// 英文字符
  			asc = bytes[0];
  			break;
  		case 2:
  			// 中文字符
  			int hightByte = 256 + bytes[0];
  			int lowByte = 256 + bytes[1];
  			asc = (256 * hightByte + lowByte) - 256 * 256;
  			break;
  		default:
  			throw new UtilException("Illegal resource string");
  		}
  		return asc;
  	}
docs: 获取汉字对应的ascii码
  @param chs 汉字
  @return ascii码