public static boolean isHttps(String url) {
		return StrUtil.startWithIgnoreCase(url, "https:");
	}
@Test
	public void isHttpsTest(){
		assertTrue(HttpUtil.isHttps("Https://aaa.bbb"));
		assertTrue(HttpUtil.isHttps("HTTPS://aaa.bbb"));
		assertTrue(HttpUtil.isHttps("https://aaa.bbb"));
		assertFalse(HttpUtil.isHttps("ftp://aaa.bbb"));
	}