ExcelToObjectByPoi reader=new ExcelToObjectByPoi(ExcelToObjectTest.class.getResource("/"));  

@Test
public void testReadExcel() throws InvalidFormatException, IOException {
	File excelFile = new File(ExcelToObjectTest.class.getResource("/test.xlsx").getFile());
	Workbook workbook = WorkbookFactory.create(excelFile);
	List<User> users = reader.readSheet(workbook.getSheetAt(0), User.class);
	System.out.println(users);
}