java项目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;/** * word 转换成html 2017-2-27  */public class WordToHtml {/** * 将word2003转换为html文件 2017-2-27  * @param wordPath word文件路径 * @param wordName word文件名称无后缀 * @param suffix   word文件后缀 * @throws IOException * @throws TransformerException * @throws ParserConfigurationException */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();    }    /** * 2007版本word转换成html 2017-2-27 * @param wordPath word文件路径 * @param wordName word文件名称无后缀 * @param suffix   word文件后缀 * @return * @throws IOException */    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();      }  }

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