spring boot如何使用easy excel对excel中的数据进行入库

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controller

@RestController@RequestMapping("/user")public class UserController {    @Autowired    private IUserService userService;    @PostMapping("/getUserExcel")    public ResponseEntity getUserExcel(@RequestParam(value = "file", required = true)MultipartFile file) {        boolean b = this.userService.getUserExcel(file);        if (BooleanUtils.isNotTrue(b)) {            return ResponseEntity.badRequest().build();        }        return ResponseEntity.ok(Boolean.TRUE);    }}

service

@Servicepublic class UserServiceImpl extends ServiceImpl implements IUserService {    @Autowired    private IUserService userService;    @Override    public boolean getUserExcel(MultipartFile file) {        InputStream inputStream = null;        try {            inputStream = file.getInputStream();            ExcelListener listener = new ExcelListener(userService);            EasyExcelFactory.readBySax(inputStream, new Sheet(1,1,UserExcel.class), listener);        } catch (IOException e) {            e.printStackTrace();        } finally {            try {                if (inputStream != null) {                    inputStream.close();                }            } catch (IOException e) {                e.printStackTrace();            }        }        return false;    }}

listen

public class ExcelListener extends AnalysisEventListener {    private final IUserService userService;    private ArrayList users = new ArrayList<>();    public ExcelListener(IUserService userService) {        this.userService = userService;    }    @Override    public void invoke(Object object, AnalysisContext context) {        UserExcel userExcel = (UserExcel) object;        User user = new User();        BeanUtils.copyProperties(userExcel, user);        users.add(user);    }    @Override    public void doAfterAllAnalysed(AnalysisContext context) {        userService.saveBatch(users);        users.clear();    }}

实体类日期格式目前只能为Date类型

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