pdf 使用模板下载

　　//根据模板下载模板

/**
 *
 * 政策5-8条的创建的pdf的模板
 */
public String createPdfCashTemplate(PdfCashParam pdfCashParam) throws Exception{
    String templatePath = pdfCashParam.getFilePath()+"/"+"CashTemplate.pdf";
    String newPDFPath = pdfCashParam.getFilePath()+"/"+ pdfCashParam.getCashCode()+"/"+pdfCashParam.getTitle()+".pdf";

    PdfReader reader;
    FileOutputStream out;
    ByteArrayOutputStream bos;
    PdfStamper stamper;
    try{
        out = new FileOutputStream(newPDFPath);//输出流
        reader = new PdfReader(templatePath);//读取pdf模板
        bos = new ByteArrayOutputStream();
        stamper = new PdfStamper(reader, bos);
        AcroFields form = stamper.getAcroFields();
        //form.getField("policyInfo");
        form.setField("title",pdfCashParam.getTitle());
        form.setField("filed_1",pdfCashParam.getCompanyName());
        form.setField("filed_2",pdfCashParam.getInstCode());
        form.setField("filed_3",pdfCashParam.getApplyAmt());
        form.setField("filed_4",pdfCashParam.getLinkMan());
        form.setField("filed_5",pdfCashParam.getLinkWay());
        form.setField("filed_6",pdfCashParam.getPoliceName());
        form.setField("filed_7",pdfCashParam.getCashCode());
        form.setField("filed_8",pdfCashParam.getCashDate());
        form.setField("filed_9",pdfCashParam.getCompanyName());
        form.setField("filed_10",pdfCashParam.getCompanyBank());
        form.setField("filed_11",pdfCashParam.getKhBankZh());
        form.setField("filed_12",pdfCashParam.getKhJoinbankNo());
        form.setField("filed_13",pdfCashParam.getCompanyAccount());
        form.setField("filed_14",pdfCashParam.getKhProvince()+" - "+pdfCashParam.getKhCity());
        form.setField("filed_15",pdfCashParam.getPoliceInfo());
        form.setField("filed_16",pdfCashParam.getBaseInfo());
        form.setField("filed_17",pdfCashParam.getMaterial());
        stamper.setFormFlattening(true);
        stamper.close();

        Document doc = new Document();
        PdfCopy copy = new PdfCopy(doc, out);
        doc.open();
        PdfImportedPage importPage = copy.getImportedPage(
                new PdfReader(bos.toByteArray()), 1);
        copy.addPage(importPage);
        doc.close();
    }catch (Exception e){
        e.printStackTrace();
        logger.error("生成pdf模板错误:",e.getMessage());
    }
    return newPDFPath;
}