转为word的代码如下:
 
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import sun.misc.BASE64Encoder;
 
import java.io.*;
import java.util.HashMap;
import java.util.Map;
public class WordUtils {
   public static void main(String[] args) throws Exception {
       String imgPath = "C:\\Users\\Administrator\\Desktop\\timg.jpg";
       BASE64Encoder encoder = new BASE64Encoder();
       String imgStr = encoder.encode(encode(imgPath));
       System.out.println(imgStr);
        // 这里只是一个示例,key=value的格式,这里的key对应的ftl文件占位符{}中的字符串。
       Map<String, Object> dataMap = new HashMap<String, Object>() {{
           put("imgStr",imgStr);
           put("province","北京市");
           put("city","海淀区");
           put("school","");
           put("class","二三班");
       }};
        //处理excel,将其中的数据填充至模板中,最后生成word。
   	   List<ERReport> datas = ExcelUtils.readExcel(new FileInputStream(new File(filePath)), ERReport.class);
   	   datas.forEach((ERReport e) -> {
               try {
                   processTemplate(e, “Your File Name”);
                   System.out.println("转换成功");
               } catch (Exception ex) {
                   LOGGER.error("Excel转换Word错误.", ex);
               }
           });
   }
 	private static byte[] encode(String imagePath) throws IOException {
       InputStream in = null;
       byte[] data = null;
       try {
           in = new FileInputStream(imagePath);
           data = new byte[in.available()];
           in.read(data);
           in.close();
       } catch (Exception e) {
           e.printStackTrace();
       } finally {
           if (in != null) {
               in.close();
           }
           return data;
       }
  	}
 
	public static void processTemplate(Object dataMap, String fileName) throws IOException, TemplateException {
       Configuration configuration = new Configuration();
       configuration.setDefaultEncoding("utf-8");
       configuration.setClassForTemplateLoading(WordUtils.class, "/templates");
       Template template = configuration.getTemplate("template.ftl");
       File file = new File("C:\\Users\\Administrator\\Desktop\\" + fileName + ".docx");
       BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "utf-8"));
       template.process(dataMap, bufferedWriter);
   }
}