前台页面
1 <div class="padding border-bottom"> 2 <a href="download" class="button border-blue" 3 >下载</a> 4 </div>
后台代码
1 @RequestMapping("download") 2 3 public void download(HttpServletResponse resp,HttpServletRequest req) throws IOException{ 4 try { 5 req.setCharacterEncoding("UTF-8"); 6 resp.setContentType("text/html;charset=UTF-8"); 7 String outputFile="F:\outFile\outFile.xls"; 8 HSSFWorkbook workbook = new HSSFWorkbook(); 9 HSSFSheet sheet = workbook.createSheet(); 10 workbook.setSheetName(0, "demo"); 11 HSSFRow row = sheet.createRow((int)0); 12 HSSFCellStyle style = workbook.createCellStyle(); 13 style.setAlignment(HSSFCellStyle.ALIGN_CENTER); 14 String [] excelHeader = {"日志编号","操作人","操作内容","时间"}; 15 for (int i = 0; i < excelHeader.length; i++) { 16 HSSFCell cell = row.createCell(i); 17 cell.setCellValue(excelHeader[i]); 18 cell.setCellStyle(style); 19 // sheet.autoSizeColumn(i); 20 } 21 List<Log> logs = logService.selectLogs(); 22 for (int i = 0; i < logs.size(); i++) { 23 Log log = logs.get(i); 24 HSSFRow hssfRow = sheet.createRow(i+1); 25 hssfRow.createCell(0).setCellValue(log.getId()); 26 hssfRow.createCell(1).setCellValue(log.getUserName()); 27 hssfRow.createCell(2).setCellValue(log.getMethod()); 28 hssfRow.createCell(3).setCellValue(log.getTime()); 29 sheet.autoSizeColumn(i); 30 } 31 32 FileOutputStream fos = new FileOutputStream(outputFile); 33 workbook.write(fos); 34 fos.close(); 35 } catch (FileNotFoundException e) { 36 // TODO Auto-generated catch block 37 e.printStackTrace(); 38 } catch (IOException e) { 39 // TODO Auto-generated catch block 40 e.printStackTrace(); 41 } 42 resp.getWriter().print("导出日志成功!"); 43 }
截图
