pdf文件生成及条形码生成

我就是我 2023-09-27 13:55 141阅读 0赞

### 1.导入依赖 ###

<dependency>
                <groupId>com.lowagie</groupId>
                <artifactId>itext</artifactId>
                <version>2.0.6</version>
            </dependency>
            
            <dependency>
                <groupId>net.sf.barcode4j</groupId>
                <artifactId>barcode4j</artifactId>
                <version>2.1</version>
            </dependency>

### 2.示例 ###

controller层

/**
         * 生成pdf
         */
        @RequestMapping("generationPickingPDF")
        @ResponseBody
        public String generationPickingPDF(@RequestParam("id") Long id, HttpServletResponse response) {
            try {
                String prerecordInPdfLocation = "/tmp" + File.separator;
                File bakFile = new File(prerecordInPdfLocation);
                DeliveryOrder deliveryOrder = deliveryOrderBiz.selectDeliveryOrderById(id);
                SessionStaffInfo user = getUser();
                if (!deliveryOrder.getPickingOper().equals(user.getStaffInfo().getStaffName())) {
                    log.error("当前操作人不是拣货人！");
                    throw new BusinessException("当前操作人不是拣货人！");
                }
                String pdfName = deliveryOrderBiz.generationPickingPDF(deliveryOrder.getId(), "/tmp");
                bakFile = new File(pdfName);
                BufferedInputStream bis = null;
                BufferedOutputStream bos = null;
                OutputStream fos = null;
                InputStream fis = null;
                fis = new FileInputStream(bakFile);
                bis = new BufferedInputStream(fis);
                fos = response.getOutputStream();
                bos = new BufferedOutputStream(fos);
                response.setContentType("application/pdf");
                int bytesRead = 0;
                byte[] buffer = new byte[512];
                while ((bytesRead = bis.read(buffer)) != -1) {
                    bos.write(buffer);// 将文件发送到客户端   , 0, bytesRead
                }
                bos.close();
                bis.close();
                fos.close();
                fis.close();
            } catch (Exception e) {
                log.error("生成出库单pdf报错", e);
                return e.getMessage();
            }
            return WmsControllerHelper.renderSuccessJson();
        }

service层

/**
         * 生成pdf
         */
        public String generationPickingPDF(Long id, String PDFPath) throws Exception {
    
            //pdf板式设置
            Document document = new Document(PageSize.A4, 5, 5, 0, 0);
            //设置中文字体
            BaseFont bfChinese = BaseFont.createFont("/font/SimHei.ttf", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
            //寻常显示字体
            Font keyfont = new Font(bfChinese, 10, Font.COURIER);
            Font textfont = new Font(bfChinese, 10, Font.NORMAL);
            //标题字体
            Font Titlefont = new Font(bfChinese, 16, Font.COURIER);
            //设置生成路径
            File bakDir = new File(PDFPath);
            if (!bakDir.isDirectory()) {
                bakDir.mkdirs();
            }
            String PDFName = PDFPath + File.separator + "出库单_" + id + ".pdf";
            PdfWriter.getInstance(document, new FileOutputStream(new File(PDFName)));
            //打开文件
            document.open();
            document.newPage();
            //创建标题
            Paragraph title = new Paragraph("拣货任务", Titlefont);
            title.setAlignment(Element.ALIGN_CENTER);
            document.add(title);
    
            //表头查询
            DeliveryOrder deliveryOrder = new DeliveryOrder();
            deliveryOrder.setId(id);
            DeliveryOrder deliveryOrder1 = this.selectOne(deliveryOrder);
            SimpleDateFormat sdfs = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
            String vendor = sdfs.format(new Date());
    
            //表头样式，创建一个两列的表头
            Table tHeader = new Table(2);
            //设置每列的列宽
            float[] widthsHeader = {2f, 3f};
            tHeader.setWidths(widthsHeader);
            tHeader.setWidth(100);
            tHeader.setPadding(2);
            //设置表格线不显示
            tHeader.setBorder(0);
            tHeader.getDefaultLayout().setBorder(PdfPCell.NO_BORDER);
    
            //出库单号
            Cell c1Header = new Cell(new Paragraph("出库单号：   " + deliveryOrder1.getDeliveryOrderCode(), keyfont));
            tHeader.addCell(c1Header);
    
            // 显示条形码
            String filepath = PDFPath + File.separator + id + ".jpg";
            OneBarcodeUtil.createBarCode(deliveryOrder1.getDeliveryOrderCode(), filepath);
            Image jpeg = Image.getInstance(filepath);
            jpeg.setAlignment(Image.ALIGN_CENTER);
            jpeg.scaleAbsolute(240, 70);
            c1Header = new Cell(jpeg);
            c1Header.setRowspan(5);
            tHeader.addCell(c1Header);
    
            //客户名称
            c1Header = new Cell(new Paragraph("客户名称：   " + deliveryOrder1.getCustomerName(), keyfont));
            tHeader.addCell(c1Header);
    
            //拣货人员
            c1Header = new Cell(new Paragraph("拣货人员：   " + deliveryOrder1.getPickingOper(), keyfont));
            tHeader.addCell(c1Header);
    
            //拣货时间
            c1Header = new Cell(new Paragraph("拣货时间：   " + vendor, keyfont));
            tHeader.addCell(c1Header);
    
    
            //添加
            tHeader.setBorder(0);
            document.add(tHeader);
    
            //生成内容表头，定义一个有5列的表格
            Table t = new Table(5);
            //设置每列的宽度
            float[] widths = {1.0f, 1.7f, 0.8f, 2f, 0.8f};
            t.setWidths(widths);
            t.setWidth(100);
            t.setPadding(2);
    
            Cell c1 = new Cell(new Paragraph("商品货号", keyfont));
            c1.setHorizontalAlignment(Cell.ALIGN_CENTER);
            c1.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            t.addCell(c1);
    
            c1 = new Cell(new Paragraph("商品名称", keyfont));
            c1.setHorizontalAlignment(Cell.ALIGN_CENTER);
            c1.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            t.addCell(c1);
    
            c1 = new Cell(new Paragraph("库存类型", keyfont));
            c1.setHorizontalAlignment(Cell.ALIGN_CENTER);
            c1.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            t.addCell(c1);
    
            c1 = new Cell(new Paragraph("库位信息", keyfont));
            c1.setHorizontalAlignment(Cell.ALIGN_CENTER);
            c1.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            t.addCell(c1);
    
            c1 = new Cell(new Paragraph("出库数量", keyfont));
            c1.setHorizontalAlignment(Cell.ALIGN_CENTER);
            c1.setVerticalAlignment(Cell.ALIGN_MIDDLE);
            t.addCell(c1);
            //查询详情
            DeliveryOrderDetail deliveryOrderDetail = new DeliveryOrderDetail();
            deliveryOrderDetail.setDeliveryOrderCode(deliveryOrder1.getDeliveryOrderCode());
            List<DeliveryOrderDetail> deliveryOrderDetails = deliveryOrderDetailMapper.selectDeliveryOrderDetailList(deliveryOrderDetail);
            //生成内容
            for (DeliveryOrderDetail detail : deliveryOrderDetails) {
    
                Cell c2 = new Cell(new Paragraph(detail.getBarCode(), textfont));//商品货号
                c2.setHorizontalAlignment(Cell.ALIGN_CENTER);
                c2.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                t.addCell(c2);
    
                c2 = new Cell(new Paragraph(detail.getItemName(), textfont));//商品名称
                c2.setHorizontalAlignment(Cell.ALIGN_CENTER);
                c2.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                t.addCell(c2);
    
                String inventoryName = StrUtil.equals(detail.getInventoryType(), "ZP") ? "正品" : "次品";
                c2 = new Cell(new Paragraph(inventoryName, textfont));//库存类型
                c2.setHorizontalAlignment(Cell.ALIGN_CENTER);
                c2.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                t.addCell(c2);
    
                c2 = new Cell(new Paragraph(detail.getForzenInfo(), textfont));//库位信息
                c2.setHorizontalAlignment(Cell.ALIGN_CENTER);
                c2.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                t.addCell(c2);
    
                c2 = new Cell(new Paragraph(String.valueOf(detail.getOutQty()), textfont));//出库数量
                c2.setHorizontalAlignment(Cell.ALIGN_CENTER);
                c2.setVerticalAlignment(Cell.ALIGN_MIDDLE);
                t.addCell(c2);
            }
            document.add(t);
    
            document.close();
            return PDFName;
        }

条形码工具类

package com.qst.security.wms.util;
    
    
    import org.krysalis.barcode4j.impl.code39.Code39Bean;
    import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
    import org.krysalis.barcode4j.tools.UnitConv;
    
    import java.awt.image.BufferedImage;
    import java.io.*;
    
    public class OneBarcodeUtil {
     
        public static void main(String[] args) {
            try {
                //Create the barcode bean
                Code39Bean bean = new Code39Bean();
                 
                final int dpi = 100;
                
                //Configure the barcode generator
                bean.setModuleWidth(UnitConv.in2mm(1.0f / dpi)); //makes the narrow bar 
                                                                 //width exactly one pixel
                bean.setWideFactor(3);
                bean.doQuietZone(false);
    
                File outputFile = new File("d:\\out.png");
                OutputStream out = new FileOutputStream(outputFile);
                try {
                    //Set up the canvas provider for monochrome JPEG output 
                    BitmapCanvasProvider canvas = new BitmapCanvasProvider(
                            out, "image/png", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);
    
                    bean.generateBarcode(canvas, "A123456");
                 
                    //Signal end of generation
                    canvas.finish();
                } finally {
                    out.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    
        /**
         * 创建二维码图片
         * @param code
         * @param path
         */
        public static void createBarCode(String code, String path){
        	 try {
                 Code39Bean bean = new Code39Bean();             
                 final int dpi = 150;
                 bean.setModuleWidth(UnitConv.in2mm(1.0f / dpi)); 
                 bean.setWideFactor(3);
                 bean.doQuietZone(false);
                 File outputFile = new File(path);
                 OutputStream out = new FileOutputStream(outputFile);
                 try {
                     BitmapCanvasProvider canvas = new BitmapCanvasProvider(
                             out, "image/png", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);
                     bean.generateBarcode(canvas, code);
                     canvas.finish();
                 } finally {
                     out.close();
                 }
             } catch (Exception e) {
                 e.printStackTrace();
             }
        }
    
        /**
         * 生成二维码图片
         * @author ggboy
         */
        public static byte[] createBarCode(String code) throws IOException {
            int dpi = 150;
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            try {
                Code39Bean bean = new Code39Bean();
                bean.setModuleWidth(UnitConv.in2mm(1.0f / dpi));
                bean.setWideFactor(3);
                bean.doQuietZone(false);
                BitmapCanvasProvider canvas = new BitmapCanvasProvider(out, "image/png", dpi, BufferedImage.TYPE_BYTE_BINARY, false, 0);
                bean.generateBarcode(canvas, code);
                canvas.finish();
                return out.toByteArray();
            } finally {
                try { out.close(); } catch (IOException e) { }
            }
        }
    }

3 总结

Java生成条形码的方案 -- barcode4j、[zxing][]

barcode4j

barcode4j开源Java条形码生成库。支持多种[编码格式][Link 1]，比如：code-39，code-128等，详细的格式可以参照下面

[Welcome to Barcode4J][]

zxing

是由google开源的1D/2D编解码类库。目标是能够对QR编码、Data Matrix、UPC的1D条形码进行解码。 其提供了多种平台下的客户端包括：J2ME、J2SE和Android

详细参照：

[\[itext\]Java生成PDF文件\_SKM！！！的博客-CSDN博客][itext_Java_PDF_SKM_-CSDN]

[Java条形码生成技术-Barcode4j\_清水的博客-CSDN博客\_barcode4j][Java_-Barcode4j_-CSDN_barcode4j]

[Java实现二维码生成][Java]

[zxing]: https://so.csdn.net/so/search?q=zxing&spm=1001.2101.3001.7020
[Link 1]: https://so.csdn.net/so/search?q=%E7%BC%96%E7%A0%81%E6%A0%BC%E5%BC%8F&spm=1001.2101.3001.7020
[Welcome to Barcode4J]: http://barcode4j.sourceforge.net/
[itext_Java_PDF_SKM_-CSDN]: https://blog.csdn.net/SKMNB/article/details/127547711
[Java_-Barcode4j_-CSDN_barcode4j]: https://blog.csdn.net/suya2011/article/details/122266695
[Java]: http://wjhsh.net/liuys635-p-15398427.html