java word檔案轉html （轉換後可線上預覽）
阿新 • • 發佈：2019-01-22
import java.io.BufferedWriter; 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.OutputStreamWriter; import java.util.List; 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.commons.io.output.ByteArrayOutputStream; 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.Picture; import org.apache.poi.hwpf.usermodel.PictureType; import org.apache.poi.xwpf.converter.core.FileImageExtractor; import org.apache.poi.xwpf.converter.core.FileURIResolver; import org.apache.poi.xwpf.converter.core.IURIResolver; 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.apache.poi.xwpf.usermodel.XWPFPictureData; import org.w3c.dom.Document; public class WordToHtml { public static void main(String[] args) { try { wordToHtml("d:\\12.docx", "d:\\", "123.html"); wordToHtml("d:\\2.doc", "d:\\", "12.html"); } catch (TransformerException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ParserConfigurationException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void wordToHtml(String wordPath,String htmlPath,String newFilename) throws TransformerException, IOException, ParserConfigurationException { convert2Html(wordPath, htmlPath, newFilename); } public static void writeFile(String content, String path) { FileOutputStream fos = null; BufferedWriter bw = null; try { File file = new File(path); if(!file.exists()){ } fos = new FileOutputStream(file); bw = new BufferedWriter(new OutputStreamWriter(fos)); bw.write(content); } catch (FileNotFoundException fnfe) { fnfe.printStackTrace(); } catch (IOException ioe) { ioe.printStackTrace(); } finally { try { if (bw != null) bw.close(); if (fos != null) fos.close(); } catch (IOException ie) { } } } /** * 將word轉換成html * 支援 .doc and .docx * @param fileName word檔名 * @param outPutFilePath html儲存路徑 * @param newFileName html名 * @throws TransformerException * @throws IOException * @throws ParserConfigurationException */ public static void convert2Html(String fileName, String outPutFilePath,String newFileName) throws TransformerException, IOException, ParserConfigurationException { String substring = fileName.substring(fileName.lastIndexOf(".")+1); ByteArrayOutputStream out = new ByteArrayOutputStream(); /** * word2007和word2003的構建方式不同， * 前者的構建方式是xml，後者的構建方式是dom樹。 * 檔案的字尾也不同，前者字尾為.docx，後者字尾為.doc * 相應的，apache.poi提供了不同的實現類。 */ if("docx".equals(substring)){ // writeFile(new String("<html><head> <meta http-equiv=\"content-type\" content=\"text/html\" charset=\"utf-8\"/></head>對不起，.docx格式的word文件，暫時不能生成預覽</html>".getBytes("utf-8")), outPutFilePath+newFileName); //step 1 : load DOCX into XWPFDocument InputStream inputStream = new FileInputStream(new File(fileName)); XWPFDocument document = new XWPFDocument(inputStream); //step 2 : prepare XHTML options final String imageUrl = ""; XHTMLOptions options = XHTMLOptions.create(); options.setExtractor(new FileImageExtractor(new File(outPutFilePath + imageUrl))); options.setIgnoreStylesIfUnused(false); options.setFragment(true); options.URIResolver(new IURIResolver() { // @Override 重寫的方法，加上這個報錯，你看看是啥問題 public String resolve(String uri) { return imageUrl + uri; } }); //step 3 : convert XWPFDocument to XHTML XHTMLConverter.getInstance().convert(document, out, options); }else{ HWPFDocument wordDocument = new HWPFDocument(new FileInputStream(fileName));//WordToHtmlUtils.loadDoc(new FileInputStream(inputFile)); WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter( DocumentBuilderFactory.newInstance().newDocumentBuilder() .newDocument()); wordToHtmlConverter.setPicturesManager( new PicturesManager() { public String savePicture( byte[] content, PictureType pictureType, String suggestedName, float widthInches, float heightInches ) { return suggestedName; } } ); wordToHtmlConverter.processDocument(wordDocument); //save pictures List pics=wordDocument.getPicturesTable().getAllPictures(); if(pics!=null){ for(int i=0;i<pics.size();i++){ Picture pic = (Picture)pics.get(i); System.out.println(); try { pic.writeImageContent(new FileOutputStream(outPutFilePath + pic.suggestFullFileName())); } catch (FileNotFoundException e) { e.printStackTrace(); } } } Document htmlDocument = wordToHtmlConverter.getDocument(); DOMSource domSource = new DOMSource(htmlDocument); StreamResult streamResult = new StreamResult(out); TransformerFactory tf = TransformerFactory.newInstance(); //這個應該是轉換成xml的 Transformer serializer = tf.newTransformer(); serializer.setOutputProperty(OutputKeys.ENCODING, "utf-8"); serializer.setOutputProperty(OutputKeys.INDENT, "yes"); serializer.setOutputProperty(OutputKeys.METHOD, "html"); serializer.transform(domSource, streamResult); } out.close(); writeFile(new String(out.toByteArray()), outPutFilePath+newFileName); } }