分布式医疗挂号系统EasyExcel导入导出数据字典的使用

@Data
public class DictEeVo {
    @ExcelProperty(value = "id", index = 0)
    private Long id;
    @ExcelProperty(value = "上级id", index = 1)
    private Long parentId;
    @ExcelProperty(value = "名称", index = 2)
    private String name;
    @ExcelProperty(value = "值", index = 3)
    private String value;
    @ExcelProperty(value = "编码", index = 4)
    private String dictCode;
}

    @ApiOperation(value = "导出数据字典接口")
    @GetMapping("exportData")
    public void exportDictData(HttpServletResponse response) throws IOException {
        dictService.exportDictData(response);
    }

void exportDictData(HttpServletResponse response) throws IOException;

/**
     * 导出数据字典接口
     * @param response
     */
    @Override
    public void exportDictData(HttpServletResponse response) throws IOException {
        // 设置下载信息
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        String fileName = URLEncoder.encode("数据字典", "UTF-8").replaceAll("\\+", "%20");
        response.setHeader("Content-disposition", "attachment;filename*=" + fileName + ".xlsx");
        // 查询数据库
        List<Dict> dictList = baseMapper.selectList(null);
        // 将Dict转换为DictVo
        List<DictVo> dictVoList = new ArrayList<>();
        for (Dict dict : dictList) {
            DictVo dictVo = new DictVo();
            // 将dict中的值复制到dictVo中
            BeanUtils.copyProperties(dict, dictVo);
            dictVoList.add(dictVo);
        }
        // 调用writer方法进行写操作
        EasyExcel.write(response.getOutputStream(), DictVo.class).sheet("数据字典")
                .doWrite(dictVoList);
    }

    <a href="http://localhost:8202/admin/cmn/dict/exportData" target="_blank">
      <el-button type="text">
         数据导出
      </el-button>
    </a>

    @ApiOperation(value = "导入数据字典到网页")
    @PostMapping("importData")
    public Result importDictData(MultipartFile file){
        dictService.importDictData(file);
        return Result.ok();
    }

void importDictData(MultipartFile file);

    @Override
    public void importDictData(MultipartFile file) {
        try {
            EasyExcel.read(file.getInputStream(), DictVo.class, new DictListener(baseMapper)).sheet().doRead();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

public class DictListener extends AnalysisEventListener<DictVo> {
    // 调用Dao
    private DictMapper dictMapper;
    public DictListener(DictMapper dictMapper) {
        this.dictMapper = dictMapper;
    }
    // 读取Excel内容
    @Override
    public void invoke(DictVo DictVo, AnalysisContext context) {
        // 将DictVO对象复制到Dict中
        Dict dict = new Dict();
        BeanUtils.copyProperties(DictVo, dict);
        // 将数据添加到数据库
        dictMapper.insert(dict);
    }
    @Override
    public void doAfterAllAnalysed(AnalysisContext context) {
    }
}