package com.ruoyi.web.controller.api; import cn.afterturn.easypoi.excel.ExcelExportUtil; import cn.afterturn.easypoi.excel.entity.ExportParams; import cn.afterturn.easypoi.excel.entity.TemplateExportParams; import cn.hutool.core.io.resource.ClassPathResource; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.ruoyi.common.basic.PageInfo; import com.ruoyi.common.constant.OrderNumConstants; import com.ruoyi.common.core.domain.AjaxResult; import com.ruoyi.common.core.redis.RedisCache; import com.ruoyi.common.utils.DateUtils; import com.ruoyi.common.utils.WebUtils; import com.ruoyi.framework.web.service.TokenService; import com.ruoyi.system.domain.TDataGenerator; import com.ruoyi.system.domain.TOrderSaleGoods; import com.ruoyi.system.domain.TOrderStockGoods; import com.ruoyi.system.dto.OrderMealGeneratorDTO; import com.ruoyi.system.dto.OrderSaleGeneratorDTO; import com.ruoyi.system.export.*; import com.ruoyi.system.query.TDataGeneratorMealQuery; import com.ruoyi.system.query.TDataGeneratorQuery; import com.ruoyi.system.query.TDataGeneratorSaleQuery; import com.ruoyi.system.query.TDataGeneratorStockQuery; import com.ruoyi.system.service.TDataGeneratorService; import com.ruoyi.system.service.TOrderMealService; import com.ruoyi.system.service.TOrderSaleService; import com.ruoyi.system.service.TOrderStockService; import com.ruoyi.system.vo.*; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.util.CellRangeAddress; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.*; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.math.BigDecimal; import java.net.URLEncoder; import java.text.SimpleDateFormat; import java.util.*; import java.util.stream.Collectors; /** *

* 营业数据生成 前端控制器 *

* * @author xiaochen * @since 2024-08-27 */ @Api(tags = "数据生成管理") @RestController @RequestMapping("/t-data-generator") public class TDataGeneratorController { private final TOrderMealService orderMealService; private final TOrderSaleService orderSaleService; private final TOrderStockService orderStockService; private final TDataGeneratorService dataGeneratorService; private final TokenService tokenService; private final RedisCache redisCache; @Autowired public TDataGeneratorController(TOrderMealService orderMealService, TOrderSaleService orderSaleService, TOrderStockService orderStockService, TDataGeneratorService dataGeneratorService, TokenService tokenService, RedisCache redisCache) { this.orderMealService = orderMealService; this.orderSaleService = orderSaleService; this.orderStockService = orderStockService; this.dataGeneratorService = dataGeneratorService; this.tokenService = tokenService; this.redisCache = redisCache; } @ApiOperation( value = "餐饮数据生成") @PostMapping(value = "/mealDataGenerator") public AjaxResult mealDataGenerator(@RequestBody OrderMealGeneratorDTO dto) { dto.setUserId(tokenService.getLoginUser().getUserId()); dto.setNickName(tokenService.getLoginUser().getNickName()); dataGeneratorService.mealDataGenerator(dto); return AjaxResult.success(); } @ApiOperation( value = "销售数据生成") @PostMapping(value = "/saleDataGenerator") public AjaxResult saleDataGenerator(@RequestBody OrderSaleGeneratorDTO dto) { dto.setUserId(tokenService.getLoginUser().getUserId()); dto.setNickName(tokenService.getLoginUser().getNickName()); dataGeneratorService.saleDataGenerator(dto); return AjaxResult.success(); } @ApiOperation( value = "数据生成分页") @PostMapping(value = "/pageList") public AjaxResult> pageList(@Validated @RequestBody TDataGeneratorQuery query) { return AjaxResult.success(dataGeneratorService.pageList(query)); } @ApiOperation( value = "数据生成删除") @DeleteMapping(value = "/deleteById") public AjaxResult deleteById(@RequestParam("id") Long id) { dataGeneratorService.removeById(id); return AjaxResult.success(); } @ApiOperation( value = "数据覆盖") @GetMapping(value = "/dataCoverage") public AjaxResult dataCoverage(@RequestParam(value = "id") Long id) { dataGeneratorService.dataCoverage(id); return AjaxResult.success(); } @ApiOperation( value = "数据生成终止 shopId=店铺id type: 1=餐饮 2=进货") @GetMapping(value = "/stopGenerator") public AjaxResult stopGenerator(@RequestParam(value = "shopId") Long shopId, @RequestParam(value = "type") Integer type) { if(type == 1){ redisCache.setCacheObject(OrderNumConstants.MEAL+"_"+shopId,shopId); }else { redisCache.setCacheObject(OrderNumConstants.STOCK+"_"+shopId,shopId); } return AjaxResult.success(); } @ApiOperation( value = "餐饮生成数据详情") @PostMapping(value = "/mealGeneratorDataDetail") public AjaxResult mealGeneratorDataDetail(@Validated @RequestBody TDataGeneratorMealQuery query) { return AjaxResult.success(dataGeneratorService.mealGeneratorDataDetail(query)); } @ApiOperation( value = "销售生成数据详情") @PostMapping(value = "/saleGeneratorDataDetail") public AjaxResult saleGeneratorDataDetail(@Validated @RequestBody TDataGeneratorSaleQuery query) { return AjaxResult.success(dataGeneratorService.saleGeneratorDataDetail(query)); } @ApiOperation( value = "进货生成数据详情") @PostMapping(value = "/stockGeneratorDataDetail") public AjaxResult stockGeneratorDataDetail(@Validated @RequestBody TDataGeneratorStockQuery query) { return AjaxResult.success(dataGeneratorService.stockGeneratorDataDetail(query)); } // @ApiOperation( value = "餐饮生成数据详情导出") // @PostMapping(value = "/mealGeneratorExport") // public void mealGeneratorExport(@Validated @RequestBody TDataGeneratorMealQuery query) { // List list = orderMealService.mealGeneratorExport(query); // List orderMeals = new ArrayList<>(); // for (TOrderMealVO orderMealVO : list) { // TOrderMealExportExcel tOrderMealExportExcel = new TOrderMealExportExcel(); // BeanUtils.copyProperties(orderMealVO, tOrderMealExportExcel); // tOrderMealExportExcel.setCreateStrTime(DateUtils.localDateToString(orderMealVO.getMealTime())); // tOrderMealExportExcel.setGoodsList(orderMealVO.getGoodsList().stream().collect(Collectors.joining("\n"))); // tOrderMealExportExcel.setPersonCount(orderMealVO.getMealPerson()); // orderMeals.add(tOrderMealExportExcel); // } // Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), TOrderMealExportExcel.class, orderMeals); // HttpServletResponse response = WebUtils.response(); // response.setContentType("application/vnd.ms-excel"); // response.setCharacterEncoding("utf-8"); // ServletOutputStream outputStream = null; // try { // String fileName = URLEncoder.encode("餐饮生成列表.xls", "utf-8"); // response.setHeader("Content-Disposition", "attachment;filename=" + fileName); // response.setContentType("application/vnd.ms-excel;charset=UTF-8"); // response.setHeader("Pragma", "no-cache"); // response.setHeader("Cache-Control", "no-cache"); // outputStream = response.getOutputStream(); // workbook.write(outputStream); // } catch (IOException e) { // e.printStackTrace(); // } finally { // try { // outputStream.close(); // } catch (IOException e) { // e.printStackTrace(); // } // } // } @ApiOperation( value = "餐饮生成数据详情导出") @PostMapping(value = "/mealGeneratorExport") public void mealGeneratorExport(@Validated @RequestBody TDataGeneratorMealQuery query) { Map result = new HashMap<>(); TDataGenerator dataGenerator = dataGeneratorService.getById(query.getGeneratorId()); List list = orderMealService.mealGeneratorExport(query); MealGeneratorClient mealGeneratorClient = new MealGeneratorClient(); // 统计 Map map = orderMealService.getDataGeneratorMealDetail(query); BigDecimal money = new BigDecimal(map.get("moneyPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal card = new BigDecimal(map.get("cardPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal weiXin = new BigDecimal(map.get("weiXinPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal ali = new BigDecimal(map.get("aliPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal other = new BigDecimal(map.get("otherPay")).setScale(2,BigDecimal.ROUND_HALF_UP); Map map1 = orderMealService.getDataGeneratorMealDetailOrderMoney(query); BigDecimal money1 = new BigDecimal(map1.get("moneyPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal card1 = new BigDecimal(map1.get("cardPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal weiXin1 = new BigDecimal(map1.get("weiXinPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal ali1 = new BigDecimal(map1.get("aliPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal other1 = new BigDecimal(map1.get("otherPay")).setScale(2,BigDecimal.ROUND_HALF_UP); if(Objects.nonNull(query.getStartTime())){ mealGeneratorClient.setGeneratorTime(DateUtils.localDateToString(DateUtils.stringToLocalDateTime(query.getStartTime()).toLocalDate()) + "零时 ~ " + DateUtils.localDateToString(DateUtils.stringToLocalDateTime(query.getStartTime()).toLocalDate().plusDays(1)) + "零时"); }else { mealGeneratorClient.setGeneratorTime(DateUtils.localDateToString(dataGenerator.getStartTime()) + " 零时 ~ " + DateUtils.localDateToString(dataGenerator.getEndTime().plusDays(1)) + " 零时"); } mealGeneratorClient.setAllMoney(money.add(card).add(weiXin).add(ali).add(other)); mealGeneratorClient.setAllOrderMoney(money1.add(card1).add(weiXin1).add(ali1).add(other1)); mealGeneratorClient.setWeiXinPayAmount(weiXin); mealGeneratorClient.setAliPayAmount(ali); mealGeneratorClient.setCardPayAmount(card); mealGeneratorClient.setMoneyPayAmount(money); mealGeneratorClient.setOtherPayAmount(other); List orderMeals = new ArrayList<>(); for (TOrderMealVO orderMealVO : list) { TOrderMealExportExcelTempLate tOrderMealExportExcel = new TOrderMealExportExcelTempLate(); BeanUtils.copyProperties(orderMealVO, tOrderMealExportExcel); tOrderMealExportExcel.setCreateStrTime(DateUtils.localDateToString(orderMealVO.getMealTime())); tOrderMealExportExcel.setGoodsList(orderMealVO.getGoodsList().stream().collect(Collectors.joining("\n"))); tOrderMealExportExcel.setPersonCount(orderMealVO.getMealPerson()); switch (orderMealVO.getPayType()){ case 1: tOrderMealExportExcel.setPayType("现金"); break; case 2: tOrderMealExportExcel.setPayType("支付宝"); break; case 3: tOrderMealExportExcel.setPayType("微信"); break; case 4: tOrderMealExportExcel.setPayType("银行卡"); break; default: tOrderMealExportExcel.setPayType("其他"); } switch (orderMealVO.getMealType()){ case 1: tOrderMealExportExcel.setMealType("散客"); break; case 2: tOrderMealExportExcel.setMealType("宴席"); break; } switch (orderMealVO.getStatus()){ case 1: tOrderMealExportExcel.setStatus("待付款"); break; case 2: tOrderMealExportExcel.setStatus("已付款"); break; } orderMeals.add(tOrderMealExportExcel); } mealGeneratorClient.setOrderMeals(orderMeals); result.put("mealGeneratorClient",mealGeneratorClient); //1.获取excel模板 ClassPathResource classPathResource = new ClassPathResource("template/餐饮数据列表.xls"); TemplateExportParams params = new TemplateExportParams(classPathResource.getPath()); Workbook workbook = ExcelExportUtil.exportExcel(params, result); HttpServletResponse response = WebUtils.response(); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); ServletOutputStream outputStream = null; try { String fileName = URLEncoder.encode("餐饮数据列表.xls", "utf-8"); response.setHeader("Content-dispodition", "attachment;filename=" + fileName); outputStream = response.getOutputStream(); workbook.write(outputStream); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } @ApiOperation( value = "销售生成数据详情导出") @PostMapping(value = "/saleGeneratorExport") public void saleGeneratorExport(@Validated @RequestBody TDataGeneratorSaleQuery query) { Map result = new HashMap<>(); TDataGenerator dataGenerator = dataGeneratorService.getById(query.getGeneratorId()); SaleGeneratorClient saleGeneratorClient = new SaleGeneratorClient(); // 统计 Map map = orderSaleService.getDataGeneratorSaleDetail(query); BigDecimal money = new BigDecimal(map.get("moneyPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal card = new BigDecimal(map.get("cardPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal weiXin = new BigDecimal(map.get("weiXinPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal ali = new BigDecimal(map.get("aliPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal other = new BigDecimal(map.get("otherPay")).setScale(2,BigDecimal.ROUND_HALF_UP); Map map1 = orderSaleService.getDataGeneratorSaleDetailOrderMoney(query); BigDecimal money1 = new BigDecimal(map1.get("moneyPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal card1 = new BigDecimal(map1.get("cardPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal weiXin1 = new BigDecimal(map1.get("weiXinPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal ali1 = new BigDecimal(map1.get("aliPay")).setScale(2,BigDecimal.ROUND_HALF_UP); BigDecimal other1 = new BigDecimal(map1.get("otherPay")).setScale(2,BigDecimal.ROUND_HALF_UP); if(Objects.nonNull(query.getStartTime())){ saleGeneratorClient.setGeneratorTime(DateUtils.localDateToString(DateUtils.stringToLocalDateTime(query.getStartTime()).toLocalDate()) + "零时 ~ " + DateUtils.localDateToString(DateUtils.stringToLocalDateTime(query.getStartTime()).toLocalDate().plusDays(1)) + "零时"); }else { saleGeneratorClient.setGeneratorTime(DateUtils.localDateToString(dataGenerator.getStartTime()) + " 零时 ~ " + DateUtils.localDateToString(dataGenerator.getEndTime().plusDays(1)) + " 零时"); } saleGeneratorClient.setAllMoney(money.add(card).add(weiXin).add(ali).add(other)); saleGeneratorClient.setAllOrderMoney(money1.add(card1).add(weiXin1).add(ali1).add(other1)); saleGeneratorClient.setWeiXinPayAmount(weiXin); saleGeneratorClient.setAliPayAmount(ali); saleGeneratorClient.setCardPayAmount(card); saleGeneratorClient.setMoneyPayAmount(money); saleGeneratorClient.setOtherPayAmount(other); List list = orderSaleService.saleGeneratorExport(query); List orderMeals = new ArrayList<>(); for (TOrderSaleVO orderSaleVO : list) { TOrderSaleAndGoodsExportExcelTemplate orderSaleExportExcel = new TOrderSaleAndGoodsExportExcelTemplate(); BeanUtils.copyProperties(orderSaleVO, orderSaleExportExcel); orderSaleExportExcel.setCreateStrTime(DateUtils.localDateTimeToString(orderSaleVO.getCreateTime())); orderSaleExportExcel.setGoodsAmount(orderSaleVO.getOrderSaleGoods().stream().map(TOrderSaleGoods::getThisSalePrice).reduce(BigDecimal::add).get()); switch (orderSaleVO.getPayType()){ case 1: orderSaleExportExcel.setPayType("现金"); break; case 2: orderSaleExportExcel.setPayType("支付宝"); break; case 3: orderSaleExportExcel.setPayType("微信"); break; case 4: orderSaleExportExcel.setPayType("银行卡"); break; default: orderSaleExportExcel.setPayType("其他"); } orderMeals.add(orderSaleExportExcel); } saleGeneratorClient.setOrderMeals(orderMeals); result.put("saleGeneratorClient",saleGeneratorClient); //1.获取excel模板 ClassPathResource classPathResource = new ClassPathResource("template/销售数据列表.xls"); TemplateExportParams params = new TemplateExportParams(classPathResource.getPath()); Workbook workbook = ExcelExportUtil.exportExcel(params, result); HttpServletResponse response = WebUtils.response(); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); ServletOutputStream outputStream = null; try { String fileName = URLEncoder.encode("销售数据列表.xls", "utf-8"); response.setHeader("Content-dispodition", "attachment;filename=" + fileName); outputStream = response.getOutputStream(); workbook.write(outputStream); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } // @ApiOperation( value = "销售生成数据详情导出") // @PostMapping(value = "/saleGeneratorExport") // public void saleGeneratorExport(@Validated @RequestBody TDataGeneratorSaleQuery query) { // List list = orderSaleService.saleGeneratorExport(query); // List orderMeals = new ArrayList<>(); // for (TOrderSaleVO orderSaleVO : list) { // TOrderSaleAndGoodsExportExcel orderSaleExportExcel = new TOrderSaleAndGoodsExportExcel(); // BeanUtils.copyProperties(orderSaleVO, orderSaleExportExcel); // orderSaleExportExcel.setCreateStrTime(DateUtils.localDateTimeToString(orderSaleVO.getCreateTime())); // orderSaleExportExcel.setGoodsAmount(orderSaleVO.getOrderSaleGoods().stream().map(TOrderSaleGoods::getThisSalePrice).reduce(BigDecimal::add).get()); // orderMeals.add(orderSaleExportExcel); // } // Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), TOrderSaleAndGoodsExportExcel.class, orderMeals); // HttpServletResponse response = WebUtils.response(); // response.setContentType("application/vnd.ms-excel"); // response.setCharacterEncoding("utf-8"); // ServletOutputStream outputStream = null; // try { // String fileName = URLEncoder.encode("销售生成列表.xls", "utf-8"); // response.setHeader("Content-Disposition", "attachment;filename=" + fileName); // response.setContentType("application/vnd.ms-excel;charset=UTF-8"); // response.setHeader("Pragma", "no-cache"); // response.setHeader("Cache-Control", "no-cache"); // outputStream = response.getOutputStream(); // workbook.write(outputStream); // } catch (IOException e) { // e.printStackTrace(); // } finally { // try { // outputStream.close(); // } catch (IOException e) { // e.printStackTrace(); // } // } // } @ApiOperation( value = "进货生成数据详情导出") @PostMapping(value = "/stockGeneratorExport") public void stockGeneratorExport(@Validated @RequestBody TDataGeneratorStockQuery query) { List list = orderStockService.stockGeneratorExport(query); List orderStockExportExcels = new ArrayList<>(); for (TOrderStockVO orderStockVO : list) { TOrderStockExportExcel orderStockExportExcel = new TOrderStockExportExcel(); BeanUtils.copyProperties(orderStockVO, orderStockExportExcel); orderStockExportExcel.setStockTime(DateUtils.localDateToString(orderStockVO.getStockTime())); orderStockExportExcels.add(orderStockExportExcel); } Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), TOrderStockExportExcel.class, orderStockExportExcels); HttpServletResponse response = WebUtils.response(); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); ServletOutputStream outputStream = null; try { String fileName = URLEncoder.encode("进货生成列表.xls", "utf-8"); response.setHeader("Content-Disposition", "attachment;filename=" + fileName); response.setContentType("application/vnd.ms-excel;charset=UTF-8"); response.setHeader("Pragma", "no-cache"); response.setHeader("Cache-Control", "no-cache"); outputStream = response.getOutputStream(); workbook.write(outputStream); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } @ApiOperation( value = "餐饮数据生成列表导出") @PostMapping(value = "/mealGeneratorListExport") public void mealGeneratorListExport(@RequestBody TDataGeneratorQuery query) { List list = orderMealService.mealGeneratorListExport(query); List mealGeneratorListExports = new ArrayList<>(); for (TDataGeneratorVO dataGeneratorVO : list) { MealGeneratorListExport mealGeneratorListExport = new MealGeneratorListExport(); BeanUtils.copyProperties(dataGeneratorVO, mealGeneratorListExport); mealGeneratorListExport.setGeneratorTime(DateUtils.localDateTimeToString(dataGeneratorVO.getCreateTime())); mealGeneratorListExport.setStartTimeStr(DateUtils.localDateToString(dataGeneratorVO.getStartTime()) + " ~ " + DateUtils.localDateToString(dataGeneratorVO.getEndTime())); mealGeneratorListExport.setRevenueRange(dataGeneratorVO.getMinMoney() + " ~ " + dataGeneratorVO.getMaxMoney()); mealGeneratorListExports.add(mealGeneratorListExport); } Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), MealGeneratorListExport.class, mealGeneratorListExports); HttpServletResponse response = WebUtils.response(); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); ServletOutputStream outputStream = null; try { String fileName = URLEncoder.encode("餐饮数据生成列表.xls", "utf-8"); response.setHeader("Content-Disposition", "attachment;filename=" + fileName); response.setContentType("application/vnd.ms-excel;charset=UTF-8"); response.setHeader("Pragma", "no-cache"); response.setHeader("Cache-Control", "no-cache"); outputStream = response.getOutputStream(); workbook.write(outputStream); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } @ApiOperation( value = "销售数据生成列表导出") @PostMapping(value = "/saleGeneratorListExport") public void saleGeneratorListExport(@RequestBody TDataGeneratorQuery query) { List list = orderSaleService.saleGeneratorListExport(query); List saleGeneratorListExports = new ArrayList<>(); for (TDataGeneratorVO dataGeneratorVO : list) { SaleGeneratorListExport saleGeneratorListExport = new SaleGeneratorListExport(); BeanUtils.copyProperties(dataGeneratorVO, saleGeneratorListExport); saleGeneratorListExport.setGeneratorTime(DateUtils.localDateTimeToString(dataGeneratorVO.getCreateTime())); saleGeneratorListExport.setStartTimeStr(DateUtils.localDateToString(dataGeneratorVO.getStartTime()) + " ~ " + DateUtils.localDateToString(dataGeneratorVO.getEndTime())); saleGeneratorListExports.add(saleGeneratorListExport); } Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(), SaleGeneratorListExport.class, saleGeneratorListExports); HttpServletResponse response = WebUtils.response(); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("utf-8"); ServletOutputStream outputStream = null; try { String fileName = URLEncoder.encode("销售数据生成列表.xls", "utf-8"); response.setHeader("Content-Disposition", "attachment;filename=" + fileName); response.setContentType("application/vnd.ms-excel;charset=UTF-8"); response.setHeader("Pragma", "no-cache"); response.setHeader("Cache-Control", "no-cache"); outputStream = response.getOutputStream(); workbook.write(outputStream); } catch (IOException e) { e.printStackTrace(); } finally { try { outputStream.close(); } catch (IOException e) { e.printStackTrace(); } } } }