java用easyexcel导入导出excel

easyexcel导出excel模板

pom文件添加jar依赖

   
        com.alibaba
        easyexcel
        2.1.4
    

导出excle

    @GetMapping("export")
    public void export(CivilizedLuckyDrawQuery query, HttpServletResponse response) {
     
        DataResult<DrawVO> luckyDrawVODataResult = luckyDrawService.queryCivilizedList(query);
        List<DrawVO> data = luckyDrawVODataResult.getData();
        try {
     
            String fileName = "excel命名_"+ LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
            String sheetName = "sheet命名";
            response.setContentType("application/vnd.ms-excel");
            response.setCharacterEncoding("utf-8");
            fileName = URLEncoder.encode(fileName, "UTF-8");
            response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xls");
            EasyExcel.write(response.getOutputStream(), CivilizedLuckyDrawVO.class).sheet(sheetName).doWrite(data);
        } catch (IOException e) {
     
            log.error("导出异常，e: {}", e);
        }
    }

导入excel

	/**
     * 解析excel取得数据
     *
     * @param tempFile
     * @param suffix_flex
     * @return
     */
    public List<List<String>> getDatasByDealExcel(File tempFile, String suffix_flex) {
     
        InputStream in = null;
        try {
     
            in = new FileInputStream(tempFile);
            ExcelListener listener = new ExcelListener();
            ExcelTypeEnum type = suffix_flex.equals(".xls") ? ExcelTypeEnum.XLS : ExcelTypeEnum.XLSX;
            ExcelReader excelReader = new ExcelReader(in, type, null, listener);
            excelReader.read();
            //线面的获取也是正确的
            //Sheet sheet = new Sheet(1, 1);
            // List