poi快速导入导出excel表格

Posted 2020-11-18 catsblog

@RequestMapping("reportToExcel")
@ResponseBody
public ResultJsonInfo reportExcel(WxSchoolWisdomPayInfoQueryParam param, HttpServletRequest request, HttpServletResponse response) throws IOException {
    //String accountName= request.getParameter("accountName");
    String filePath="C:\Users\Administrator\Desktop\test.xlsx";
    //导出模板内容
    String path="/excelTemplates/reportXls/paymentDetail.xls";
    InputStream inputStream= getClass().getResourceAsStream(path);
    //2003版excel表格要用HSSFWorkbook工作簿创建
    HSSFWorkbook wb = new HSSFWorkbook(inputStream);
    //获取第一个Sheet
    Sheet sheet =  wb.getSheetAt(0);
    int num= sheet.getRow(0).getLastCellNum();
    //排序
    OrderBean orderBean = new OrderBean();
    orderBean.setOrder(OrderBean.DESC);
    orderBean.setOrderBy("payEndDate");
    param.setOrderBean(orderBean);
    
    XSSFWorkbook workbook1 = new XSSFWorkbook(new FileInputStream(new File(filePath)));
    SXSSFWorkbook sxssfWorkbook = new SXSSFWorkbook(workbook1, 100);
    Sheet first = sxssfWorkbook.getSheetAt(0);

        //总记录
        List<WxSchoolWisdomPayInfoVO> datas = new ArrayList<WxSchoolWisdomPayInfoVO>();
        String ids = param.getWxSchoolWisdomPayInfo().getIds();
        if (ids == null) {
            datas = wxSchoolWisdomPayInfoService.findPage(param).getDataList();
        } else {
            String id[] = ids.split(",");
            for (int i = 0; i < id.length; i++) {
                datas.add(wxSchoolWisdomPayInfoService.findById(id[i]));
            }
        }
        if (datas.size() > 10000) {
            long t1=System.currentTimeMillis();
            List<WxSchoolWisdomPayInfoDetailVO> dtlDatas = new ArrayList<WxSchoolWisdomPayInfoDetailVO>();
            int i = 1;
            String batchid = "";
            for(int k=0;k<datas.size()%10;k++){
                for(int j = 1;j<100;j++){
                    batchid+=datas.get(j).getdId()+",";
                }
            }
            batchid = batchid.substring(0,batchid.length()-1);
            List<String> list = new ArrayList<String>();
            String[] str =  batchid.split(",");
            for(int j = 0;j<str.length;j++){
                list.add(str[j]);
            }
            WxSchoolWisdomPayInfoDetailQueryParam q = new WxSchoolWisdomPayInfoDetailQueryParam();
            WxSchoolWisdomPayInfoDetailVO v = new WxSchoolWisdomPayInfoDetailVO();
            v.setList(list);
            List<WxSchoolWisdomPayInfoDetailVO> payInfoList = wxSchoolWisdomPayInfoDetailService.findPage(q).getDataList();
            for (WxSchoolWisdomPayInfoDetailVO dtl : payInfoList) {
                dtl.setId(i);
                if (dtl.getPayEndDate() != null) {
                    String payDate = DateTools.getFormattingDateTime(dtl.getPayEndDate());
                    dtl.setPayDate(payDate);
                }
                String state = dtl.getPayState();
                if ("1".equals(state)) {
                    dtl.setPayState("待支付");
                } else if ("0".equals(state)) {
                    dtl.setPayState("支付成功");
                }
                DecimalFormat decimalFormat = new DecimalFormat("###0.00");
                String amt = decimalFormat.format(dtl.getPayAmt());
                dtl.setAmt(amt);

                dtlDatas.add(dtl);
                i++;
            }
            try {
                for (int f = 0; f < dtlDatas.size(); f++) {
                    Row row = first.createRow(f);
                    for (int j =0; j <num; j++) {
                        if(f == 0) {
                            Cell cell = row.createCell(j);
                            cell.setCellValue(sheet.getRow(0).getCell(j).toString());//给单元格赋值
                            //字体设置
                            Font font = workbook1.createFont();
                            font.setFontName("微软雅黑");//字体
                            font.setFontHeightInPoints((short)11);//设置字体
                            CellStyle stlye = workbook1.createCellStyle();
                            stlye.setFont(font);
                            row.getCell(j).setCellStyle(stlye);

                        } else {
                            if (j == 0) {
                                CellUtil.createCell(row, j, String.valueOf(i));
                            } else
                            CellUtil.createCell(row, 0, String.valueOf(f));
                            CellUtil.createCell(row, 1, String.valueOf(" "));
                            CellUtil.createCell(row, 2, String.valueOf(" "));
                            CellUtil.createCell(row, 3, String.valueOf(dtlDatas.get(f).getStudentNo()));
                            CellUtil.createCell(row, 4, String.valueOf(dtlDatas.get(f).getStudentName()));
                            CellUtil.createCell(row, 5, String.valueOf(dtlDatas.get(f).getProjectName()));
                            CellUtil.createCell(row, 6, String.valueOf(dtlDatas.get(f).getAmt()));
                            CellUtil.createCell(row, 7, String.valueOf(dtlDatas.get(f).getPayState()));
                            CellUtil.createCell(row, 8, String.valueOf(dtlDatas.get(f).getTransactionId()));
                            CellUtil.createCell(row, 9, String.valueOf(dtlDatas.get(f).getPayDate()));
                            CellUtil.createCell(row, 10, String.valueOf(" "));

                        }
                    }
                }
                OutputStream outputStream = null;
                response.setHeader("Content-Disposition", "attachment;filename=" + DateTools.getFormattingToday(6)+".xlsx");
                response.setContentType("application/octet-stream");
                outputStream = response.getOutputStream();
                sxssfWorkbook.write(outputStream);
                outputStream.flush();
                System.out.println("结束,耗时:" + (System.currentTimeMillis() - t1) + "(ms)");
            } catch (Exception e) {
               response.getWriter().write(JSONUtils.objToJson(new ResultJsonInfo(false, e.getMessage())));
                return new ResultJsonInfo(false, e.getMessage());
            }
        }
    return new ResultJsonInfo(true, "导出成功");
    }