POI---读取.xls和.xlsx文件

读取xlsx文件：XSSFWorkbook

public static void main(String[] args) {
		getLandNoList();
	}
	public static List<String> getLandNoList(){
		List<String> list = new ArrayList<String>();
		File file = new File("1.xlsx");
		FileInputStream stream = null;
		Workbook workbook = null;
		try {
			stream = new FileInputStream(file);
			workbook = new XSSFWorkbook(stream);
			Sheet sheet = workbook.getSheetAt(0);
			for (int i = 1; i <= sheet.getLastRowNum(); i++) {
				Row row = sheet.getRow(i);
				String value = row.getCell(0).getStringCellValue()+"\t"+
						row.getCell(1).getStringCellValue()+"\t"+
						row.getCell(2).getStringCellValue()+"\t"+
						row.getCell(3).getStringCellValue()+"\t"+
						row.getCell(4).getStringCellValue()+"\t"+
						row.getCell(5).getStringCellValue();
				System.out.println(value);
				list.add(value);
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
			return null;
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}finally {
			try {
				if(null != workbook) {
					workbook.close();
				}
				if(null != stream) {
					stream.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return list;
	}

文件：1.xlsx的内容如下：

程序运行结果：

读取xls文件：只需要修改一句代码即可

workbook = new XSSFWorkbook(stream);
改成：
workbook = new HSSFWorkbook(stream);