public static boolean isOpen(InetSocketAddress address, int timeout) {
		try (Socket sc = new Socket()) {
			sc.connect(address, timeout);
			return true;
		} catch (Exception e) {
			return false;
		}
	}
@Test
	@Disabled
	public void isOpenTest(){
		final InetSocketAddress address = new InetSocketAddress("www.hutool.cn", 443);
		assertTrue(NetUtil.isOpen(address, 200));
	}