關於springboot通過jxls用模板匯出excel的前後臺實現
阿新 • • 發佈:2020-07-14
後端程式碼
public void exportExcel(@RequestParam(required = true) String Id, HttpServletResponse response, HttpServletRequest request) { String msg =""; try { Dto.setId(Id); List<HashMap<String, Object>> list = tbsMainInfoService.exportExcel(Dto); //檔名稱 String filename = "匯出目錄"; String agent = request.getHeader("User-Agent"); String filenameEncoder = ""; if (agent.contains("MSIE")) { // IE瀏覽器 filenameEncoder = URLEncoder.encode(filename, "utf-8"); filenameEncoder = filenameEncoder.replace("+", " "); } else if (agent.contains("Firefox")) { // 火狐瀏覽器 BASE64Encoder base64Encoder = new BASE64Encoder(); filenameEncoder = "=?utf-8?B?" + base64Encoder.encode(filename.getBytes("utf-8")) + "?="; } else { // 其它瀏覽器 filenameEncoder = URLEncoder.encode(filename, "utf-8"); } //獲取配置路徑 String url = FtpClientUtil.getStaticFile() + "/" + "目錄模板.xlsx"; //獲取檔案流 InputStream in = new FileInputStream(url); // 建立操作excel檔案物件 XLSTransformer transformer = new XLSTransformer(); // 設定ContentType請求資訊格式 response.setContentType("application/vnd.ms-excel"); response.setHeader("Content-disposition", "attachment;filename=" + filenameEncoder + ".xlsx"); // 要下載的這個檔案的型別-----客戶端通過檔案的MIME型別去區分型別 response.setContentType(request.getServletContext().getMimeType(filename)); ServletOutputStream outputStream = response.getOutputStream(); Map<String, Object> map = new HashMap<String, Object>(); map.put("list", list); Workbook workbook = transformer.transformXLS(in, map); workbook.write(outputStream); workbook.close(); } catch (Exception e) { // TODO: handle exception e.printStackTrace(); msg = e.getMessage(); throw new BusinessException("匯出失敗"); } }
模板
前臺vue程式碼
Export() { let api ="" let a = document.createElement('a'); a.href = api; a.click(); },