public static <T> Opt<T> ofBlankAble(T value) {
		return StrUtil.isBlankIfStr(value) ? empty() : new Opt<>(value);
	}
@Test
	public void ofBlankAbleTest() {
		// ofBlankAble相对于ofNullable考虑了字符串为空串的情况
		String hutool = Opt.ofBlankAble("").orElse("hutool");
		assertEquals("hutool", hutool);
	}