根据pdf模板导入数据生成pdf并直接下载-java版

本是古典何须时尚 2023-10-02 17:18 124阅读 0赞

1、导入依赖

<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>

2、生成pdf

public void createPDF(JcOrder jcOrder, HttpServletResponse response) throws IOException {
        
            try {
        
                final BaseFont font = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
                //模板路径，本机位置用这个PdfReader 
                    PdfReader reader= new PdfReader("D:\\sd.pdf");
                    //模板路径，放到项目里用这个ClassPathResource 
    //            ClassPathResource classPathResource = new ClassPathResource("pdfTemplate/sd.pdf");
    //            InputStream inputStream = classPathResource.getInputStream();
    //            PdfReader reader = new PdfReader(inputStream);
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                PdfReader pdfReader = null;
                PdfStamper ps = new PdfStamper(reader, bos);
                //提取表单
                AcroFields s = ps.getAcroFields();
                //填写定义的字段属性
                s.setFieldProperty("name", "textfont", font, null);
                s.setFieldProperty("age", "textfont", font, null);
                s.setFieldProperty("time", "textfont", font, null);
                s.setFieldProperty("type", "textfont", font, null);
                s.setFieldProperty("rc", "textfont", font, null);
                s.setFieldProperty("rd", "textfont", font, null);
                s.setFieldProperty("rs", "textfont", font, null);
                s.setFieldProperty("re", "textfont", font, null);
                s.setField("name", "lj");
                s.setField("age", "18");
                s.setField("time", "2021-15-09 14:50:00");
                s.setField("type", "类型");
                s.setField("rc", "阴性");
                s.setField("rd", "阴性");
                s.setField("rs", "阴性");
                s.setField("re", "阴性");
                ps.setFormFlattening(true);
                ps.close();
                pdfReader = new PdfReader(bos.toByteArray());
    
                Document document = new Document();
    
                //设置请求返回类型
                response.setHeader("Content-Disposition", "attachment; filename=测试.pdf");
                response.setContentLength(bos.size());
                OutputStream outputStream = response.getOutputStream();
                PdfCopy copy = new PdfCopy(document, outputStream);
                document.open();
                //如果是list集合需要加一下这个，相当于多一页
    //            document.newPage();
                copy.addDocument(pdfReader);
                copy.close();
                document.close();
            } catch (Exception e) {
        
                e.printStackTrace();
                log.error("=======导出pdf====" + e.getMessage());
            }
    
    
        }