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本篇內容介紹了“spring boot如何使用easy excel對excel中的數據進行入庫”的有關知識,在實際案例的操作過程中,不少人都會遇到這樣的困境,接下來就讓小編帶領大家學習一下如何處理這些情況吧!希望大家仔細閱讀,能夠學有所成!
@RestController @RequestMapping("/user") public class UserController { @Autowired private IUserService userService; @PostMapping("/getUserExcel") public ResponseEntity<Boolean> 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 public class UserServiceImpl extends ServiceImpl<UserMapper, User> 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; } }
public class ExcelListener extends AnalysisEventListener { private final IUserService userService; private ArrayList<User> 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(); } }
實體類日期格式目前只能為Date類型
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