java实现word文件转html文件

最近在项目开发中用户提出要在电脑上没有装office时在浏览器中打开word文件，最后确定的逻辑：用户选择想要查看的文件，页面js判断文件是否为word。不是执行下载，是后端根据word文件后缀访问对应转换方法。文件已存在对应html文件直接返回html文件地址，不存在先生成对应html文件再返回地址。js直接通过open()打开新的页签，展示word文件内容。新人一枚，如果代码中存在错误或有更好的实现万望指正！

相关jar包

代码

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.xml.parsers.documentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.apache.poi.hwpf.HWPFdocument;
import org.apache.poi.hwpf.converter.PicturesManager;
import org.apache.poi.hwpf.converter.WordToHtmlConverter;
import org.apache.poi.hwpf.usermodel.PictureType;
import org.apache.poi.xwpf.converter.core.BasicURIResolver;
import org.apache.poi.xwpf.converter.core.FileImageExtractor;
import org.apache.poi.xwpf.converter.core.FileURIResolver;
import org.apache.poi.xwpf.converter.xhtml.XHTMLConverter;
import org.apache.poi.xwpf.converter.xhtml.XHTMLOptions;
import org.apache.poi.xwpf.usermodel.XWPFdocument;
import org.w3c.dom.document;


public class WordToHtml {
  
  
  
  public String Word2003ToHtml(String wordPath,String wordName,String suffix) throws IOException, TransformerException, ParserConfigurationException {
    String htmlPath = wordPath + File.separator + wordName + "_show" + File.separator;
    String htmlName = wordName + ".html";
    final String imagePath = htmlPath + "image" + File.separator;
    
    //判断html文件是否存在
    File htmlFile = new File(htmlPath + htmlName);
    if(htmlFile.exists()){ 
      return htmlFile.getAbsolutePath();
    }
    
    //原word文档
    final String file = wordPath + File.separator + wordName + suffix;
    InputStream input = new FileInputStream(new File(file));
    
    HWPFdocument worddocument = new HWPFdocument(input);
    WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(documentBuilderFactory.newInstance().newdocumentBuilder().newdocument());
    //设置图片存放的位置
    wordToHtmlConverter.setPicturesManager(new PicturesManager() {
      public String savePicture(byte[] content, PictureType pictureType, String suggestedName, float widthInches, float heightInches) {
 File imgPath = new File(imagePath);
 if(!imgPath.exists()){//图片目录不存在则创建
   imgPath.mkdirs();
 }
 File file = new File(imagePath + suggestedName);
 try {
   OutputStream os = new FileOutputStream(file);
   os.write(content);
   os.close();
 } catch (FileNotFoundException e) {
   e.printStackTrace();
 } catch (IOException e) {
   e.printStackTrace();
 }
 //图片在html文件上的路径 相对路径
 return "image/" + suggestedName;
      }
    });
    
    //解析word文档
    wordToHtmlConverter.processdocument(worddocument);
    document htmldocument = wordToHtmlConverter.getdocument();
    
    //生成html文件上级文件夹
    File folder = new File(htmlPath);
    if(!folder.exists()){ 
      folder.mkdirs(); 
    }
    
    //生成html文件地址
    OutputStream outStream = new FileOutputStream(htmlFile);

    DOMSource domSource = new DOMSource(htmldocument);
    StreamResult streamResult = new StreamResult(outStream);

    TransformerFactory factory = TransformerFactory.newInstance();
    Transformer serializer = factory.newTransformer();
    serializer.setOutputProperty(OutputKeys.ENCODING, "utf-8");
    serializer.setOutputProperty(OutputKeys.INDENT, "yes");
    serializer.setOutputProperty(OutputKeys.METHOD, "html");
    
    serializer.transform(domSource, streamResult);

    outStream.close();
    
    return htmlFile.getAbsolutePath();
  }
  
  
  public String Word2007ToHtml(String wordPath,String wordName,String suffix) throws IOException {
    String htmlPath = wordPath + File.separator + wordName + "_show" + File.separator;
    String htmlName = wordName + ".html";
    String imagePath = htmlPath + "image" + File.separator;
    
    //判断html文件是否存在
    File htmlFile = new File(htmlPath + htmlName);
    if(htmlFile.exists()){ 
      return htmlFile.getAbsolutePath();
    }
 
    //word文件
    File wordFile = new File(wordPath + File.separator + wordName + suffix); 
    
    // 1) 加载word文档生成 XWPFdocument对象 
    InputStream in = new FileInputStream(wordFile); 
    XWPFdocument document = new XWPFdocument(in); 

    // 2) 解析 XHTML配置 (这里设置IURIResolver来设置图片存放的目录) 
    File imgFolder = new File(imagePath);
    XHTMLOptions options = XHTMLOptions.create();
    options.setExtractor(new FileImageExtractor(imgFolder));
    //html中图片的路径 相对路径 
    options.URIResolver(new BasicURIResolver("image"));
    options.setIgnoreStylesIfUnused(false); 
    options.setFragment(true); 
    
    // 3) 将 XWPFdocument转换成XHTML
    //生成html文件上级文件夹
    File folder = new File(htmlPath);
    if(!folder.exists()){ 
      folder.mkdirs(); 
    }
    OutputStream out = new FileOutputStream(htmlFile); 
    XHTMLConverter.getInstance().convert(document, out, options);
    
    return htmlFile.getAbsolutePath(); 
  } 
}

文件目录：

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