当前位置： 首页 > news >正文

【Java】批量生成条形码-itextpdf

news 2025/7/17 21:23:05

批量生成条形码
Controller

@ApiOperation("商品一览批量生成商品条形码")@PostMapping("/batchGenerateProdBarCode")public void batchGenerateProdBarCode(@RequestBody ProductListCondition productListCondition,HttpServletResponse response){importExportService.batchGenerateProdBarCode(response, productListCondition);}

Service

 /*** 商品一览批量生成商品条形码* @param productListCondition* @return*/public void batchGenerateProdBarCode(HttpServletResponse response,ProductListCondition productListCondition){List<MProductEx> productExList = mProductListDao.selectmproduct(productListCondition.getProdCdDis(),productListCondition.getBrand());try {int dataCount = productExList.stream().filter(f -> StringUtils.isNotEmpty(f.getProdLabel())).collect(Collectors.toList()).size();if(dataCount == 0){response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "没有要生成的条码请调整查询条件后重新生成");}if(CollectionUtil.isNotEmpty(productExList)){String exportFileName = URLEncoder.encode("商品条码", "UTF-8") + DateUtil.format(new Date(), "yyyyMMddHHmmss");response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + exportFileName + ".pdf");response.setHeader("Access-Control-Expose-Headers", "Content-Disposition");response.setHeader("content-Type", "application/pdf");generateProdBarcodePDF(productExList, response.getOutputStream(),response);}else {response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "没有要生成的条码请调整查询条件后重新生成");}}catch (Exception e){e.printStackTrace();}}

/*** 批量生成商品条形码pdf文件导出适配条码打印机** @param productExList 条码数据x信息* @param os    输出流* @throws IOException*/public static void generateProdBarcodePDF(List<MProductEx> productExList, OutputStream os,HttpServletResponse response) throws IOException {Document document = null;try {document = new Document(new Rectangle(120F, 85F), 10, 2, 10, 2);PdfWriter writer = PdfWriter.getInstance(document, os);document.open();PdfContentByte cb = writer.getDirectContent();BaseFont bfChinese = BaseFont.createFont("C:\\Windows\\Fonts\\simsun.ttc,1",  BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);Font fontChinese = new Font(bfChinese, 2, Font.NORMAL);Pattern pat = Pattern.compile("[\u4e00-\u9fa5]");Matcher m = null;for (MProductEx p : productExList) {m = pat.matcher(p.getProdLabel());if(StringUtils.isNullOrEmpty(p.getProdLabel()) || m.find()){response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "商品编号不能为中文且不能为空");}document.newPage();//创建一个一列的表格PdfPTable headerTable = new PdfPTable(1);headerTable.setWidthPercentage(70.0F);PdfPCell rightCell = new PdfPCell();Image codeImage = BarcodeUtil.generateBarcodePrefixSuffix(cb, p.getProdLabel(), 22f, 6f);Phrase imageP = new Phrase("", fontChinese);//自己调整偏移值 主要是负值往下imageP.add(new Chunk(codeImage, 5, -1));String textNmShow ="商品名称:" + (StringUtils.isNotEmpty(p.getProdNm()) ? p.getProdNm() : "");String textUnitShow ="计量单位:" + (StringUtils.isNotEmpty(p.getUnitNm()) ? p.getUnitNm() : "") ;String textSpecShow ="规格: " + (StringUtils.isNotEmpty(p.getSpec()) ? p.getSpec() : "");String textModelAndUnitShow ="型号:" + (StringUtils.isNotEmpty(p.getModel()) ? p.getModel() : "") +"  " + textUnitShow;//Chunk chunkCd = new Chunk(textCdShow,fontChinese);Chunk chunkNm = new Chunk(textNmShow,fontChinese);//Chunk chunkUnit = new Chunk(textUnitShow,fontChinese);Chunk chunkSpec = new Chunk(textSpecShow,fontChinese);Chunk chunkModel = new Chunk(textModelAndUnitShow,fontChinese);rightCell = new PdfPCell();//imageP.setLeading(2f,1.5f);rightCell.addElement(imageP);//rightCell.addElement(chunkCd);rightCell.addElement(new Chunk("  ",fontChinese));rightCell.addElement(chunkNm);//rightCell.addElement(chunkUnit);rightCell.addElement(chunkSpec);rightCell.addElement(chunkModel);//false自动换行rightCell.setNoWrap(false);//行间距//rightCell.setLeading(40f,10.0f);rightCell.setHorizontalAlignment(Element.ALIGN_LEFT);rightCell.setVerticalAlignment(Element.ALIGN_MIDDLE);rightCell.setFixedHeight(26.0f);//rightCell.setPadding(4.0f);//填充headerTable.addCell(rightCell);
//                headerTable.setSplitLate(false);
//                headerTable.setSplitRows(true);document.add(headerTable);}//document.add(headerTable);os.flush();} catch (DocumentException e) {e.printStackTrace();} finally {if(Objects.nonNull(document)){document.close();}if (Objects.nonNull(os)) {os.close();}}}/*** 批量生成商品条形码pdf文件导出适配A4纸** @param productExList 条码数据x信息* @param os    输出流* @throws IOException*/public static void generateProdBarcodeA4PDF(List<MProductEx> productExList, OutputStream os,HttpServletResponse response) throws IOException {Document document = null;try {document = new Document(new Rectangle(283F, 425F), 10, 10, 10, 10);PdfWriter writer = PdfWriter.getInstance(document, os);document.open();PdfContentByte cb = writer.getDirectContent();//判断列，一条数据只允许单列int dataCount = productExList.stream().filter(f -> StringUtils.isNotEmpty(f.getProdLabel())).collect(Collectors.toList()).size();int numColumns = 1;if (dataCount > 1) {numColumns = 2;}BaseFont bfChinese = BaseFont.createFont("C:\\Windows\\Fonts\\simsun.ttc,1",  BaseFont.IDENTITY_H,BaseFont.NOT_EMBEDDED);Font fontChinese = new Font(bfChinese, 5, Font.NORMAL);//创建一个两列的表格PdfPTable headerTable = new PdfPTable(numColumns);if(numColumns == 1){headerTable.setWidthPercentage(40.0f);}else {headerTable.setWidthPercentage(80.0f);}PdfPCell rightCell = null;Pattern pat = Pattern.compile("[\u4e00-\u9fa5]");Matcher m = null;for (MProductEx p : productExList) {m = pat.matcher(p.getProdLabel());if(StringUtils.isNullOrEmpty(p.getProdLabel()) || m.find()){response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "商品编号不能为中文且不能为空");}rightCell = new PdfPCell();Image codeImage = BarcodeUtil.generateBarcodePrefixSuffix(cb, p.getProdLabel(), 72, 24);Phrase imageP = new Phrase("", fontChinese);//自己调整偏移值 主要是负值往下imageP.add(new Chunk(codeImage, 15, -4));String textNmShow ="商品名称:" + (StringUtils.isNotEmpty(p.getProdNm()) ? p.getProdNm() : "");String textUnitShow ="计量单位:" + (StringUtils.isNotEmpty(p.getUnitNm()) ? p.getUnitNm() : "") ;String textSpecShow ="规格: " + (StringUtils.isNotEmpty(p.getSpec()) ? p.getSpec() : "");String textModelAndUnitShow ="型号:" + (StringUtils.isNotEmpty(p.getModel()) ? p.getModel() : "") +"  " + textUnitShow;//Chunk chunkCd = new Chunk(textCdShow,fontChinese);Chunk chunkNm = new Chunk(textNmShow,fontChinese);//Chunk chunkUnit = new Chunk(textUnitShow,fontChinese);Chunk chunkSpec = new Chunk(textSpecShow,fontChinese);Chunk chunkModel = new Chunk(textModelAndUnitShow,fontChinese);rightCell = new PdfPCell();//imageP.setLeading(2f,1.5f);rightCell.addElement(imageP);//rightCell.addElement(chunkCd);rightCell.addElement(new Chunk("  ",fontChinese));rightCell.addElement(chunkNm);//rightCell.addElement(chunkUnit);rightCell.addElement(chunkSpec);rightCell.addElement(chunkModel);//false自动换行rightCell.setNoWrap(false);//行间距//rightCell.setLeading(40f,10.0f);rightCell.setHorizontalAlignment(Element.ALIGN_LEFT);rightCell.setVerticalAlignment(Element.ALIGN_MIDDLE);rightCell.setFixedHeight(70.0f);//rightCell.setPadding(4.0f);//填充headerTable.addCell(rightCell);}if(productExList.size()%2 == 1){rightCell = new PdfPCell();new Chunk("END",fontChinese);headerTable.addCell(rightCell);}document.add(headerTable);os.flush();} catch (DocumentException e) {e.printStackTrace();} finally {if(Objects.nonNull(document)){document.close();}if (Objects.nonNull(os)) {os.close();}}}
http://www.lryc.cn/news/126590.html

相关文章：

  • SpringBoot登录、退出、获取用户信息的session处理
  • 【软件测试】随笔系统测试报告
  • vue中使用html2canvas+jsPDF实现pdf的导出
  • Linux学习之firewallD
  • 【JS学习】Object.assign 用法介绍
  • 【uni-app报错】获取用户收货地址uni.chooseAddress()报错问题
  • 机器学习、cv、nlp的一些前置知识
  • Steam 灵感的游戏卡悬停效果
  • [Openwrt]一步一步搭建MT7981A uboot、atf、openwrt-21.02开发环境操作说明
  • Unity C# 之 Azure 微软SSML语音合成TTS流式获取音频数据以及表情嘴型 Animation 的简单整理
  • 安全学习DAY16_信息打点-CDN绕过
  • genism word2vec方法
  • vue3自定义样式-路由-axios拦截器
  • 【mysql】事务的四种特性的理解
  • C++中List的实现
  • ElementUI 树形表格的使用以及表单嵌套树形表格的校验问题等汇总
  • 解决“Unable to start embedded Tomcat“错误的完整指南
  • JVS开源基础框架：平台基本信息介绍
  • C++ - max_element
  • 聚隆转债上市价格预测
  • pytest自动生成测试类 demo
  • 服务器卡顿了该如何处理
  • 常量对象 只能调用 常成员函数
  • Progressive-Hint Prompting Improves Reasoning in Large Language Models
  • mysql中INSERT INTO ... ON DUPLICATE KEY UPDATE的用法，以及与REPLACE INTO 语句用法的异同
  • wireshark 实用过滤表达式（针对ip、协议、端口、长度和内容）
  • MATLAB图形窗口固定
  • 【数据结构】_7.二叉树概念与基本操作
  • Flink之Partitioner(分区规则)
  • tk切换到mac的code分享