<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>

import lombok.Data;
/**
 * 報表實體類
 */
@Data
public class MsaBusinessVO {
    /**接收業(yè)務總次數(shù)*/
    private String total;
    /**接收業(yè)務總次數(shù)(去年同期）*/
    private String lastToatl;
    /**處理次數(shù)*/
    private String dealNum;
    /**處理次數(shù)(去年同期）*/
    private String lastDealNum;
    /**已完成次數(shù)*/
    private String completeNum;
    /**已完成次數(shù)(去年同期）*/
    private String lastCompleteNum;
    /**售后次數(shù)*/
    private String afterSales;
    /**售后次數(shù)(去年同期）*/
    private String lastAfterSales;
}

/**
  * 生成報表
  * @param id
  * @param response
  */
void generateMsaBusiness(String id,HttpServletResponse response) throws UnsupportedEncodingException;

@Override
public void generateMsaBusiness(String id,HttpServletResponse response) throws UnsupportedEncodingException {
    //通過id獲取msaBusinessVO
    MsaBusinessVO msaBusinessVO = msaBusinessDao.getMsaBusinessInfo(id);
    // 模板名稱
    String templateName = "msaBusiness.pdf";
    String path = "/static/template/";
    //String path = "";
    // 獲取操作系統(tǒng)名稱，根據(jù)系統(tǒng)名稱確定模板存放的路徑
    /*String systemName = System.getProperty("os.name");
    if(systemName.toUpperCase().startsWith("WIN")){
        path = "D:/pdf/";
    }else {
        path = "/usr/local/pdf/";
    }*/
    // 生成導出PDF的文件名稱
    String fileName = "海事行政執(zhí)法業(yè)務數(shù)據(jù)統(tǒng)計"+msaBusinessVO.getStartDate()+"至"+msaBusinessVO.getEndDate()+".pdf";
    fileName = URLEncoder.encode(fileName, "UTF-8");
    // 設置響應頭
    response.setContentType("application/force-download");
    response.setHeader("Content-Disposition",
            "attachment;fileName=" + fileName);
    OutputStream out = null;
    ByteArrayOutputStream bos = null;
    PdfStamper stamper = null;
    PdfReader reader = null;
    try {
        // 保存到本地
        // out = new FileOutputStream(fileName);
        // 輸出到瀏覽器端
        out = response.getOutputStream();
        // 讀取PDF模板表單
        reader = new PdfReader(path + templateName);
        // 字節(jié)數(shù)組流，用來緩存文件流
        bos = new ByteArrayOutputStream();
        // 根據(jù)模板表單生成一個新的PDF
        stamper = new PdfStamper(reader, bos);
        // 獲取新生成的PDF表單
        AcroFields form = stamper.getAcroFields();
        // 給表單生成中文字體，這里采用系統(tǒng)字體，不設置的話，中文顯示會有問題
        //BaseFont font = BaseFont.createFont("C:/WINDOWS/Fonts/SIMSUN.TTC,1", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        BaseFont bf = BaseFont.createFont("/static/fonts/simsun.ttc,1", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        form.addSubstitutionFont(bf);
        // 裝配數(shù)據(jù)
        this.setMsaBusinessToForm(form, msaBusinessVO);
        // 表明該PDF不可修改
        stamper.setFormFlattening(true);
        // 關閉資源
        stamper.close();
        // 將ByteArray字節(jié)數(shù)組中的流輸出到out中（即輸出到瀏覽器）
        Document doc = new Document();
        PdfCopy copy = new PdfCopy(doc, out);
        doc.open();
        //改成這樣就不會只顯示一頁了。
        PdfImportedPage importPage = null;
        ///循環(huán)是處理成品只顯示一頁的問題
        for (int i=1;i<=reader.getNumberOfPages();i++){
            importPage = copy.getImportedPage(new PdfReader(bos.toByteArray()), i);
            copy.addPage(importPage);
        }
        doc.close();
        log.info("*****************************PDF導出成功*********************************");
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (out != null) {
                out.flush();
                out.close();
            }
            if (reader != null) {
                reader.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
 
 
/**
 * 裝配數(shù)據(jù)
 * @param form
 * @param msaBusinessVO
 * @throws DocumentException
 * @throws IOException
 */
public void setMsaBusinessToForm(AcroFields form,MsaBusinessVO msaBusinessVO) throws DocumentException, IOException {    
    form.setField("total",msaBusinessVO.getTotal());//進出港船舶總艘次
    form.setField("lastTotal",msaBusinessVO.getLastTotal());//進出港船舶總艘次(去年同期）
    form.setField("dealNum",msaBusinessVO.getDealNum());//進出港報告內(nèi)河船艘次
    form.setField("lastDealNum",msaBusinessVO.getLastDealNum());//進出港報告內(nèi)河船艘次(去年同期）
    form.setField("completeNum",msaBusinessVO.getCompleteNum());//進出港報告海船艘次
    form.setField("lastCompleteNum",msaBusinessVO.getLastCompleteNum());//進出港報告海船艘次(去年同期）
    form.setField("afterSales",msaBusinessVO.getAfterSales());//進出口岸查驗船舶艘次
    form.setField("lastAfterSales",msaBusinessVO.getLastAfterSales());//進出口岸查驗船舶艘次(去年同期）
}

/**
 * 導出pdf
 * @param id
 * @param response
 */
@GetMapping("/generateMsaBusiness")
public void generateMsaBusiness(String id,HttpServletResponse response){
    try {
        msaBusinessService.generateMsaBusiness(id,response);
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
}

<dependency>
    <groupId>org.freemarker</groupId>
    <artifactId>freemarker</artifactId>
    <version>2.3.28</version>
    <scope>compile</scope>
</dependency>

/**
 * 導出word
 * @param param
 */
void exportSimpleWord(Map<String,Object> param);

/**
 * 保存打印記錄
 * @param param  
 * Map<String,Object> param 中的字段要與模板中的占位符名稱一致
 */
@Override
@Transactional(rollbackFor = Exception.class)
public void exportSimpleWord(Map<String,Object> param){    
    //param.put("total",total);
    //param.put("lastTotal",lastTotal);         
    try {
        // 要填充的數(shù)據(jù) dataMap, 注意map的key要和word中${xxx}的xxx一致
        //Configuration用于讀取ftl文件
        Configuration configuration = new freemarker.template.Configuration(Configuration.VERSION_2_3_23);
        System.out.println(configuration.getVersion());
        configuration.setDefaultEncoding("utf-8");
        //指定路徑的第一種方式(根據(jù)某個類的相對路徑指定)
        configuration.setClassForTemplateLoading(this.getClass(), "/static/template/");
        // 輸出文檔路徑及名稱
        File outFile = new File("D:/附件"+new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+".doc");
        //以utf-8的編碼讀取ftl文件  名字要正確，最好不要放在本地，可能會出現(xiàn)找不到。
        Template t1 = configuration.getTemplate("unpackCheck.ftl", "utf-8");
        // Template t =  configuration.getTemplate("a.ftl","utf-8");
        Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "utf-8"), 10240);
        t1.process(param, out);
        out.close();
    }catch (IOException e) {
        e.printStackTrace();
    } catch (TemplateException e) {
        e.printStackTrace();
    }
}

@PostMapping("/exportSimpleWord")
public void exportSimpleWord(@RequestBody Map<String,Object> param) {
    dangerCompareService.exportSimpleWord(param);
}