Java使用itext按模板生成PDF表格

╰+攻爆jí腚メ 2024-03-27 16:23 46阅读 0赞

使用 itext 进行 pdf 打印

### 1、打印自定义表格 ###

![在这里插入图片描述][42d455d637094381bde9db7a3feeefbe.png]

#### 依赖 ####

<dependency>
         <groupId>com.itextpdf</groupId>
         <artifactId>itextpdf</artifactId>
         <version>5.5.13</version>
    </dependency>
    <dependency>
         <groupId>com.itextpdf</groupId>
         <artifactId>itext-asian</artifactId>
         <version>5.2.0</version>
    </dependency>

#### 代码实现 ####

package pdfgentest;
    
    import com.itextpdf.text.*;
    import com.itextpdf.text.pdf.BaseFont;
    import com.itextpdf.text.pdf.PdfPCell;
    import com.itextpdf.text.pdf.PdfPTable;
    import com.itextpdf.text.pdf.PdfWriter;
    
    import java.io.FileOutputStream;
    
    public class PdfTableGenTest {
        
        private static Font headFont;// 设置字体大小
        private static Font sonHeadFont;// 设置字体大小
        private static Font normalTextFont;// 设置字体大小
        private static Font tableLineHeadFont;// 设置字体大小
        private static Font tableColumHeadFont;// 设置字体大小
        private static Font textFont;// 设置字体大小
        private static Font minTextFont;// 设置字体大小
    
        static {
        
            BaseFont bfChinese;
            try {
        
                bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
                headFont = new Font(bfChinese, 16, Font.BOLD);// 设置字体大小
                sonHeadFont = new Font(bfChinese, 10, Font.BOLD);// 设置字体大小
                normalTextFont = new Font(bfChinese, 10, Font.NORMAL);// 设置字体大小
                tableLineHeadFont = new Font(bfChinese, 8, Font.BOLD);// 设置字体大小
                tableColumHeadFont = new Font(bfChinese, 6, Font.BOLD);// 设置字体大小
                textFont = new Font(bfChinese, 6, Font.NORMAL);// 设置字体大小
                minTextFont = new Font(bfChinese, 5, Font.NORMAL);// 设置字体大小
            } catch (Exception e) {
        
                e.printStackTrace();
            }
        }
    
        public static void writeExampaperPdf() throws Exception {
        
            // 1.新建document对象
            // 第一个参数是页面大小。接下来的参数分别是左、右、上和下页边距。
            Document document = new Document(PageSize.A4, 50, 50, 20, 40);
            // 2.建立一个书写器(Writer)与document对象关联，通过书写器(Writer)可以将文档写入到磁盘中。
            // 创建 PdfWriter 对象 第一个参数是对文档对象的引用，第二个参数是文件的实际名称，在该名称中还会给出其输出路径。
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("D://myPdfFile.pdf"));
    
            //3.2打开文档
            document.open();
            //创建一个包含多列的表格，以通过合并单元格的方式，控制表格的宽度大小
            PdfPTable table = createTable(12);
            table.addCell(createCell("\n", headFont, Element.ALIGN_CENTER, 4, false));
            table.addCell(createCell("客户基本信息表", headFont, Element.ALIGN_CENTER, 4, false));
    
            sonHeadFont.setColor(new BaseColor(205, 133, 63)); //设置字体颜色
            table.addCell(createCell("文件编号：FILEBH-001", sonHeadFont, Element.ALIGN_RIGHT, 4, false));
    
            PdfPCell jbxxCell = createCell("基本信息", tableLineHeadFont, Element.ALIGN_CENTER, 12, true);
            jbxxCell.setBackgroundColor(new BaseColor(205, 133, 63));
            table.addCell(jbxxCell);
    
            //创建单元格，指定字体、对齐方式、合并单元格的个数、是否有边框
            table.addCell(createCell("姓名", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell(null, textFont, Element.ALIGN_CENTER, 4, true));
            table.addCell(createCell("职业", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell("工程师", textFont, Element.ALIGN_CENTER, 4, true));
    
            table.addCell(createCell("出生日期", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell("2020-01-01", textFont, Element.ALIGN_CENTER, 4, true));
            table.addCell(createCell("国籍", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell("中国", textFont, Element.ALIGN_CENTER, 4, true));
    
            table.addCell(createCell("性别", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell("男", textFont, Element.ALIGN_CENTER, 4, true));
            table.addCell(createCell("联系电话", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
            table.addCell(createCell("18888888888", textFont, Element.ALIGN_CENTER, 4, true));
    
            table.addCell(createCell("个人税收居民身份", tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
    
            Phrase phrase = new Phrase();
            PdfPCell wtrgrssjmxxCell1 = new PdfPCell();
            wtrgrssjmxxCell1.setVerticalAlignment(Element.ALIGN_MIDDLE);
            wtrgrssjmxxCell1.setHorizontalAlignment(Element.ALIGN_LEFT);
            phrase.add(new Chunk("□ 1.中国税收居民      □ 2.非中国税收居民      ■ 3.既是中国税收居民又是其他国家（地区）税收居民\n", minTextFont).setLineHeight(12f));
            phrase.add(new Chunk("★ 如以上选项中填选第2项或第3项，请填写下列信息：\n", textFont).setLineHeight(12f));
            phrase.add(new Chunk("   税收居民国（地区）：", textFont).setLineHeight(12f));
            phrase.add(new Chunk(" HK00001", textFont).setLineHeight(12f).setUnderline(0.5f, -1f));
            phrase.add(new Chunk("     纳税人识别号（如有）:", textFont).setLineHeight(12f));
            phrase.add(new Chunk("289000001", textFont).setLineHeight(12f).setUnderline(0.5f, -1f)); //设置下划线，并设置下划线的粗细
            wtrgrssjmxxCell1.setPhrase(phrase);
            wtrgrssjmxxCell1.setPaddingLeft(20f);
            wtrgrssjmxxCell1.setColspan(10);
            wtrgrssjmxxCell1.setPaddingTop(3.0f);
            wtrgrssjmxxCell1.setPaddingBottom(6.0f);
            table.addCell(wtrgrssjmxxCell1);
    
            PdfPCell cclyCell = createCell("保险清单列表", tableLineHeadFont, Element.ALIGN_CENTER, 12, true);
            cclyCell.setBackgroundColor(new BaseColor(205, 133, 63)); //设置单元格背景
            table.addCell(cclyCell);
    
            for (int i = 0; i < 2; i++) {
        
                table.addCell(createCell("保险清单" + (i + 1), tableColumHeadFont, Element.ALIGN_CENTER, 2, true));
    
                Phrase insurancePhrase1 = new Phrase();
                PdfPCell insuranceCell1 = new PdfPCell();
                insuranceCell1.setVerticalAlignment(Element.ALIGN_MIDDLE); //上下居中
                insuranceCell1.setHorizontalAlignment(Element.ALIGN_LEFT); //水平左对齐
                insurancePhrase1.add(new Chunk("1.保险产品名称：灵通万事家天下寿险" + i + "\n", textFont).setLineHeight(10f)); //setLineHeight 设置行高
                insurancePhrase1.add(new Chunk("3.保险单号：L000000002392997" + i + "\n", textFont).setLineHeight(10f));
                insurancePhrase1.add(new Chunk("5.保险险种：终身寿险" + "\n", textFont).setLineHeight(10f));
                insurancePhrase1.add(new Chunk("7.基本保额：250000" + i + "\n", textFont).setLineHeight(10f));
                insurancePhrase1.add(new Chunk("9.备注（其他情况说明）：无", textFont).setLineHeight(10f));
                insuranceCell1.setPhrase(insurancePhrase1);
                insuranceCell1.setPaddingLeft(10f);//设置左侧空白填充的宽度
                insuranceCell1.setColspan(5); //合并单元格
                insuranceCell1.setPaddingTop(1.0f); //距离上边框距离
                insuranceCell1.setPaddingBottom(4.0f); //距离下边框距离
                insuranceCell1.disableBorderSide(8);//隐藏右边框 1-上， 2-下， 4-左， 8-右
                table.addCell(insuranceCell1);
    
                Phrase insurancePhrase2 = new Phrase();
                PdfPCell insuranceCell2 = new PdfPCell();
                insuranceCell2.setVerticalAlignment(Element.ALIGN_MIDDLE); //上下居中
                insuranceCell2.setHorizontalAlignment(Element.ALIGN_LEFT); //水平左对齐
                insurancePhrase2.add(new Chunk("2.保险公司：灵通万事" + i + "\n", textFont).setLineHeight(10f));
                insurancePhrase2.add(new Chunk("4.保单生效日：2020/12/0" + i + "\n", textFont).setLineHeight(10f));
                insurancePhrase2.add(new Chunk("6.应交总保费：1290500" + i + "\n", textFont).setLineHeight(10f));
                insurancePhrase2.add(new Chunk("8.受益人变更情况：生存受益人变更为保险公司；身故受益人变更为保险公司\n", textFont).setLineHeight(10f));
                insurancePhrase2.add(new Chunk("              \n", textFont).setLineHeight(10f));
                insuranceCell2.setPhrase(insurancePhrase2);
                insuranceCell2.setColspan(5);
                insuranceCell2.setPaddingTop(1.0f);
                insuranceCell2.setPaddingBottom(4.0f);
                insuranceCell2.disableBorderSide(4);//隐藏左边框： 1-上， 2-下， 4-左， 8-右
                table.addCell(insuranceCell2);
            }
    
            PdfPCell syrmxCell = createCell("受益人情况", tableLineHeadFont, Element.ALIGN_CENTER, 12, true);
            syrmxCell.setBackgroundColor(new BaseColor(205, 133, 63));
            table.addCell(syrmxCell);
    
            for (int i = 0; i < 1; i++) {
        
                table.addCell(createCell("受益人" + (i + 1), tableColumHeadFont, Element.ALIGN_CENTER, 1, true));
    
                Phrase syrPhrase1 = new Phrase();
                PdfPCell syrCell1 = new PdfPCell();
                syrCell1.setVerticalAlignment(Element.ALIGN_MIDDLE);
                syrCell1.setHorizontalAlignment(Element.ALIGN_LEFT);
                syrPhrase1.add(new Chunk("姓名：王小" + i + "\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("与委托人关系：儿子\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("婚姻状况：未婚\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("联系电话：1887878000" + i + "\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("电子邮箱：8888888@168.com\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("邮寄地址：北京市朝阳区光明路128号5栋102\n", textFont).setLineHeight(10f));
                syrPhrase1.add(new Chunk("终止分配比例：100%", textFont).setLineHeight(10f));
    
                syrCell1.setPhrase(syrPhrase1);
                syrCell1.setPaddingLeft(10f);
                syrCell1.setColspan(5);
                syrCell1.setPaddingTop(1.0f);
                syrCell1.setPaddingBottom(4.0f);
                table.addCell(syrCell1);
    
                table.addCell(createCell("个人税收居民身份", tableColumHeadFont, Element.ALIGN_CENTER, 1, true));
    
                Phrase syrgrssjmxxPhrase = new Phrase();
                PdfPCell syrgrssjmxxCell1 = new PdfPCell();
                syrgrssjmxxCell1.setVerticalAlignment(Element.ALIGN_MIDDLE);
                syrgrssjmxxCell1.setHorizontalAlignment(Element.ALIGN_LEFT);
                syrgrssjmxxPhrase.add(new Chunk("■ 1.中国税收居民  □ 2.非中国税收居民 □ 3.既是中国又是其他国家（地区）税收居民\n", minTextFont).setLineHeight(15f));
                syrgrssjmxxPhrase.add(new Chunk("★ 如以上选项中填选第2项或第3项，请填写下列信息：\n", textFont).setLineHeight(15f));
                syrgrssjmxxPhrase.add(new Chunk("   税收居民国（地区）：▁▁▁▁     纳税人识别号（如有）：▁▁▁▁", textFont).setLineHeight(15f));
                syrgrssjmxxCell1.setPhrase(syrgrssjmxxPhrase);
                syrgrssjmxxCell1.setPaddingLeft(6f);
                syrgrssjmxxCell1.setColspan(5);
                syrgrssjmxxCell1.setPaddingTop(3.0f);
                syrgrssjmxxCell1.setPaddingBottom(6.0f);
                table.addCell(syrgrssjmxxCell1);
            }
    
            document.add(table);
    
            document.add(new Paragraph("\n"));
    
            String paragraph5 = "客户（签字）：▁▁▁▁▁▁▁▁";
            Paragraph elements5 = new Paragraph(paragraph5, normalTextFont);
            elements5.setAlignment(Element.ALIGN_RIGHT);
            document.add(elements5);
    
            // 5.关闭文档
            document.close();
        }
    
    	//建表
        public static PdfPTable createTable(int colNumber) {
        
            int maxWidth = 500;
            PdfPTable table = new PdfPTable(colNumber);
            try {
        
                table.setTotalWidth(maxWidth);
                table.setLockedWidth(true);
                table.setHorizontalAlignment(Element.ALIGN_CENTER);
                table.setWidths(new int[]{
        50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50});
                table.getDefaultCell().setBorder(1);
            } catch (Exception e) {
        
                e.printStackTrace();
            }
            return table;
        }
    
    	//抽取公共代码，为每个元素设置格式样式
        public static PdfPCell createCell(String value, Font font, int align, int colspan, boolean boderFlag) {
        
            PdfPCell cell = new PdfPCell();
            cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
            cell.setHorizontalAlignment(align);
            cell.setColspan(colspan);
            cell.setPhrase(new Phrase(value, font));
            cell.setPadding(3.0f);
            if (!boderFlag) {
        
            	//首行无边框等样式
                cell.setBorder(0);
                cell.setPaddingTop(15.0f);
                cell.setPaddingBottom(8.0f);
            }
            return cell;
        }
    
        public static void main(String[] args) {
        
            try {
        
                writeExampaperPdf();
            } catch (Exception e) {
        
                e.printStackTrace();
            }
        }
    }

[参考][Link 1]

### 2、对模板表格进行填写 ###

#### 1 制作PDF模板 ####

使用 Adobe 公司提供的 Adobe Acrobat Pro DC 软件进行制作

![在这里插入图片描述][0a2b109f6c1a4933a4ba8f73633d1b31.png]

#### 2 通过模板生成PDF文件 ####

##### 依赖 #####

##### 代码实现 #####

package pdfdemo;
    
    import java.io.ByteArrayOutputStream;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.OutputStream;
    import java.util.ArrayList;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.List;
    import java.util.Map;
    
    import com.itextpdf.text.DocumentException;
    import com.itextpdf.text.pdf.AcroFields;
    import com.itextpdf.text.pdf.AcroFields.Item;
    import com.itextpdf.text.pdf.BaseFont;
    import com.itextpdf.text.pdf.PdfReader;
    import com.itextpdf.text.pdf.PdfStamper;
    
    public class PDFUtils {
        
    
    
        /**
         * 将要填入的内容，data即数据，键为创建模板时已定义的域列表，值为数据
         * @param fields
         * @param data
         * @throws IOException
         * @throws DocumentException
         */
        private static void fillData(AcroFields fields, Map<String, String> data) throws IOException, DocumentException {
        
            List<String> keys = new ArrayList<String>();
            Map<String, Item> formFields = fields.getFields();
            for (String key : data.keySet()) {
        
                if (formFields.containsKey(key)) {
        
                    String value = data.get(key);
                    fields.setField(key, value); // 为字段赋值,注意字段名称是区分大小写的
                    keys.add(key);
                }
            }
            Iterator<String> itemsKey = formFields.keySet().iterator();
            while (itemsKey.hasNext()) {
        
                String itemKey = itemsKey.next();
                if (!keys.contains(itemKey)) {
        
                    fields.setField(itemKey, " ");
                }
            }
        }
    
        /**
         * @param templatePdfPath 模板pdf路径
         * @param generatePdfPath 生成pdf路径
         * @param data            数据
         */
        public static String generatePDF(String templatePdfPath, String generatePdfPath, Map<String, String> data) {
        
            OutputStream fos = null;
            ByteArrayOutputStream bos = null;
            try {
        
                PdfReader reader = new PdfReader(templatePdfPath);
                bos = new ByteArrayOutputStream();
                /* 将要生成的目标PDF文件名称 */
                PdfStamper ps = new PdfStamper(reader, bos);
                /* 使用中文字体 */
                BaseFont bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
                ArrayList<BaseFont> fontList = new ArrayList<BaseFont>();
                fontList.add(bf);
                /* 取出报表模板中的所有字段 */
                AcroFields fields = ps.getAcroFields();
                fields.setSubstitutionFonts(fontList);
                fillData(fields, data);
                /* 必须要调用这个，否则文档不会生成的  如果为false那么生成的PDF文件还能编辑，一定要设为true*/
                ps.setFormFlattening(true);
                ps.close();
                fos = new FileOutputStream(generatePdfPath);
                fos.write(bos.toByteArray());
                fos.flush();
                return generatePdfPath;
            } catch (Exception e) {
        
                e.printStackTrace();
            } finally {
        
                if (fos != null) {
        
                    try {
        
                        fos.close();
                    } catch (IOException e) {
        
                        e.printStackTrace();
                    }
                }
                if (bos != null) {
        
                    try {
        
                        bos.close();
                    } catch (IOException e) {
        
                        e.printStackTrace();
                    }
                }
            }
            return null;
        }
    
        public static void main(String[] args) {
        
            Map<String, String> data = new HashMap<String, String>();
            //key为pdf模板的form表单的名字，value为需要填充的值
            data.put("title", "河海市人民医院诊疗病历单");
            data.put("case", "123456789");
            data.put("date", "2020.11.02");
            data.put("name", "熊瞎子");
            data.put("sex", "男");
            data.put("age", "29");
            data.put("phone", "137888880000");
            data.put("office", "内科");
            data.put("cert", "身痒找打");
            data.put("drug", "1、奥美拉唑肠溶胶囊             0.25g10粒×2板 ");
            data.put("dose", "×2盒");
            data.put("cons", "用法用量：口服 一日两次 一次2粒");
            data.put("tips", "温馨提示");
            data.put("desc", "尽量呆在通风较好的地方，保持空气流通，有利于病情康复。尽量呆在通风较好的地方");
            generatePDF("D:\\tpl2.pdf",
                    "D:\\filled.pdf", data);
        }
    }

##### 生成效果 #####

![在这里插入图片描述][beed919ade12480182177da94c9706c2.png]

[参考][Link 2]

[42d455d637094381bde9db7a3feeefbe.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/44b17303b1e647e8ab381502bd71470e.png
[Link 1]: https://www.jianshu.com/p/c5376a27619b
[0a2b109f6c1a4933a4ba8f73633d1b31.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/64e2397cb8e740a9888ee0247b898cac.png
[beed919ade12480182177da94c9706c2.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/27/6252121c553d490fbc580e4d55560667.png
[Link 2]: https://www.jianshu.com/p/29045bc69af7