public static String format(Object x) {
		if (x != null) {
			return format(x.toString());
		} else {
			return StrUtil.EMPTY;
		}
	}
@Test
	public void testFormatNonNumeric() {
		assertThrows(NumberFormatException.class, () -> {
			// 测试传入非数字字符串的情况
			NumberWordFormatter.format("non-numeric");
		});
	}