Java 导入excel获取表格信息

public ResponseFindPage<Student> findPage(@RequestParam("file") MultipartFile file) {
    ResponseFindPage<Student> rfp = new ResponseFindPage<Student>();
    String fileName = file.getOriginalFilename();
    System.out.println(fileName);

    Workbook workbook = null;
    try {
        InputStream in = file.getInputStream();
        workbook = new XSSFWorkbook(in);
        //workbook = WorkbookFactory.create(new File(String.valueOf(file)));
    } catch (IOException e) {
        e.printStackTrace();
    }
    //获取一张表
    Sheet sheet = workbook.getSheetAt(0);
    for (int i = 1; i <= sheet.getLastRowNum(); i++) {//跳过第一行，取得其他行数据
        Row row = sheet.getRow(i);//取得第i行数据
        Student student = new Student();
        for (int j = 0; j < row.getLastCellNum(); j++) {
            Cell cell = row.getCell(j);//取得第j列数据
            cell.setCellType(CellType.STRING);
            String value = cell.getStringCellValue();
            System.out.print(i + " " + j + " " + value + " ");
        }
        if (StringUtils.isNotBlank(student.getPhone())) {
            students.add(student);
        }
    }
    rfp.setData(students);
    return rfp;
}