public static File createTempFile(File dir) throws IORuntimeException {
		return createTempFile("hutool", null, dir, true);
	}
@Test
	@Disabled
	public void createTempFileTest(){
		final File nullDirTempFile = FileUtil.createTempFile();
		assertTrue(nullDirTempFile.exists());

		final File suffixDirTempFile = FileUtil.createTempFile(".xlsx",true);
		assertEquals("xlsx", FileUtil.getSuffix(suffixDirTempFile));

		final File prefixDirTempFile = FileUtil.createTempFile("prefix",".xlsx",true);
		assertTrue(FileUtil.getPrefix(prefixDirTempFile).startsWith("prefix"));
	}