使用 jasperreport 来打印报表
SessionUser user=SessionHelper.getSessionUser();userid=user.getId();List<StoreOrder> storeOrders=settlementService.printStoreOrders(userid);if (storeOrders!=null &&storeOrders.size()>0) {for (int i = 0; i < storeOrders.size(); i++) {StoreOrder storeOrder=storeOrders.get(i);Order order=storeOrder.getOrder();ordermoney=ordermoney.add(order.getAmount());paymoney=paymoney.add(storeOrder.getMallMoney());freight=freight.add(order.getFreight());}List<ViewReimbursement> vList=settlementService.loadReimbursements(userid);if (vList!=null &&vList.size()>0) {for (int i = 0; i < vList.size(); i++) {ViewReimbursement v=vList.get(i);ReimbursementItem reimbursementItem=v.getReimbursement();realBackMoney=realBackMoney +reimbursementItem.getRealBackMoney();}}settlement=ordermoney.add(freight).subtract(paymoney).subtract(new BigDecimal(realBackMoney));}// 设置页面参数Map paraMap = new HashMap();// 设置明细listJRBeanCollectionDataSource ds = new JRBeanCollectionDataSource(storeOrders);try {InputStream is = this.getClass().getClassLoader().getResourceAsStream("/Settlement.jrxml");JasperDesign jasperDesign = JRXmlLoader.load(is);JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign);paraMap.put("ordermoney",ordermoney);paraMap.put("paymoney",paymoney);paraMap.put("settlement",settlement);paraMap.put("realBackMoney", realBackMoney);paraMap.put("freight", freight); // 写入报表 JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, paraMap, ds); HttpServletResponse resp = ServletActionContext.getResponse(); JRExporter exporter = new JRPdfExporter();resp.reset();resp.setContentType("application/pdf;UTF-8");resp.setHeader("Content-Disposition", "attachment; filename=""+ URLEncoder.encode("settlementList", "UTF-8") + ".pdf"");OutputStream ouputStream = resp.getOutputStream();// 使用JRPdfExproter导出器导出pdfexporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "UTF-8"); exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream);exporter.exportReport();ouputStream.flush();ouputStream.close();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}?