public static void exportDoc() {
        String picturePath = "D:/image.png";
        Map<String, Object> dataMap = new HashMap<String, Object>();
        dataMap.put("brand", "海爾");
        dataMap.put("store_name", "海爾天津");
        dataMap.put("user_name", "小明");

        //經(jīng)過編碼后的圖片路徑
        String image = getWatermarkImage(picturePath);
        dataMap.put("image", image);

        //Configuration用于讀取ftl文件
        Configuration configuration = new Configuration(new Version("2.3.0"));
        configuration.setDefaultEncoding("utf-8");

        Writer out = null;
        try {
            //輸出文檔路徑及名稱
            File outFile = new File("D:/導(dǎo)出優(yōu)惠證明.doc");
            out = new BufferedWriter(new OutputStreamWriter(new
            FileOutputStream(new File("outFile")), "utf-8"), 10240);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        // 加載文檔模板
        Template template = null;
        try {
            //指定路徑，例如C:/a.ftl 注意：此處指定ftl文件所在目錄的路徑，而不是ftl文件的路徑
            configuration.setDirectoryForTemplateLoading(new File("C:/"));
            //以u(píng)tf-8的編碼格式讀取文件
            template = configuration.getTemplate("導(dǎo)出優(yōu)惠證明.ftl", "utf-8");
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException("文件模板加載失??！", e);
        }

        // 填充數(shù)據(jù)
        try {
            template.process(dataMap, out);
        } catch (TemplateException e) {
            e.printStackTrace();
            throw new RuntimeException("模板數(shù)據(jù)填充異常！", e);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException("模板數(shù)據(jù)填充異常！", e);
        } finally {
            if (null != out) {
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                    throw new RuntimeException("文件輸出流關(guān)閉異常！", e);
                }
            }
        }
    }

/***
 * 處理圖片
 * @param watermarkPath 圖片路徑  D:/image.png
 * @return
 */
private String getWatermarkImage(String watermarkPath) {
    InputStream in = null;
    byte[] data = null;
    try {
        in = new FileInputStream(watermarkPath);
        data = new byte[in.available()];
        in.read(data);
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    BASE64Encoder encoder = new BASE64Encoder();
    return encoder.encode(data);
}