Spring boot集成easy excel实现导入导出功能

        <!--easyexcel-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>easyexcel</artifactId>
            <version>2.2.10</version>
        </dependency>

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Device {
    @ExcelIgnore
    private Integer id;
    @ExcelProperty("设备名称")
    private String name;
    @ExcelProperty("设备编号")
    private String no;
    @ExcelProperty("设备描述")
    private String description;
    @ExcelProperty("设备类型")
    private Integer type;
    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    @ExcelIgnore
    private LocalDateTime createTime;
    @ExcelIgnore
    private Integer status;
}

        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

    @RequestMapping("save")
    public String save(MultipartFile file) throws IOException {
        String originalFilename = file.getOriginalFilename();
        List<Device> list = EasyExcel.read(file.getInputStream()).head(Device.class).sheet().doReadSync();
        deviceService.batchSave(list);
        return "redirect:/device/lists";
    }

@GetMapping("export")
    public void export(Dto dto,HttpServletResponse response) throws IOException {
        // 这里注意 有同学反应使用swagger 会导致各种问题，请直接用浏览器或者用postman
        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        response.setCharacterEncoding("utf-8");
        // 这里URLEncoder.encode可以防止中文乱码 
        String fileName = URLEncoder.encode("设备数据", "UTF-8").replaceAll("\\+", "%20");
        response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
        List<Device> deviceList = deviceService.getDeviceList(dto);
        EasyExcel.write(response.getOutputStream(), Device.class).sheet("数据").doWrite(deviceList);
    }