java word在线预览转换html

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import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.ByteArrayInputStream;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.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.util.List;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.transform.OutputKeys;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import org.apache.commons.io.FileUtils;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.model.PicturesTable;import org.apache.poi.hwpf.usermodel.CharacterRun;import org.apache.poi.hwpf.usermodel.Paragraph;import org.apache.poi.hwpf.usermodel.Picture;import org.apache.poi.hwpf.usermodel.PictureType;import org.apache.poi.hwpf.usermodel.Range;import org.apache.poi.hwpf.usermodel.Table;import org.apache.poi.hwpf.usermodel.TableCell;import org.apache.poi.hwpf.usermodel.TableIterator;import org.apache.poi.hwpf.usermodel.TableRow;import org.apache.poi.poifs.filesystem.POIFSFileSystem;import org.w3c.dom.Document;public class aaa {public static void main(String[] args) throws Throwable {final String path = "D:\\";  final String file = "bb.doc";  InputStream input = new FileInputStream(path + file);  HWPFDocument wordDocument = new HWPFDocument(input);  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);  List pics = wordDocument.getPicturesTable().getAllPictures();  if (pics != null) {   for (int i = 0; i < pics.size(); i++) {    Picture pic = (Picture) pics.get(i);    try {     pic.writeImageContent(new FileOutputStream(path       + pic.suggestFullFileName()));    } catch (FileNotFoundException e) {     e.printStackTrace();    }   }  }  Document htmlDocument = wordToHtmlConverter.getDocument();  ByteArrayOutputStream outStream = new ByteArrayOutputStream();  DOMSource domSource = new DOMSource(htmlDocument);  StreamResult streamResult = new StreamResult(outStream);  TransformerFactory tf = TransformerFactory.newInstance();  Transformer serializer = tf.newTransformer();  serializer.setOutputProperty(OutputKeys.ENCODING, "utf-8");  serializer.setOutputProperty(OutputKeys.INDENT, "yes");  serializer.setOutputProperty(OutputKeys.METHOD, "html");  serializer.transform(domSource, streamResult);  outStream.close();  String content = new String(outStream.toByteArray());  FileUtils.writeStringToFile(new File(path, "1.html"), content, "utf-8"); } public void htmlToWord2() throws Exception {        InputStream bodyIs = new FileInputStream("D:\\1.html");        InputStream cssIs = new FileInputStream("D:\\1.css");        String body = this.getContent(bodyIs);        String css = this.getContent(cssIs);        //拼一个标准的HTML格式文档        String content = "<html><head><style>" + css + "</style></head><body>" + body + "</body></html>";        InputStream is = new ByteArrayInputStream(content.getBytes("GBK"));        OutputStream os = new FileOutputStream("D:\\1.doc");        this.inputStreamToWord(is, os);     }          /**      * 把is写入到对应的word输出流os中      * 不考虑异常的捕获，直接抛出      * @param is      * @param os      * @throws IOException      */     private void inputStreamToWord(InputStream is, OutputStream os) throws IOException {        POIFSFileSystem fs = new POIFSFileSystem();        //对应于org.apache.poi.hdf.extractor.WordDocument        fs.createDocument(is, "WordDocument");        fs.writeFilesystem(os);        os.close();        is.close();     }          /**      * 把输入流里面的内容以UTF-8编码当文本取出。      * 不考虑异常，直接抛出      * @param ises      * @return      * @throws IOException      */     private String getContent(InputStream... ises) throws IOException {        if (ises != null) {           StringBuilder result = new StringBuilder();           BufferedReader br;           String line;           for (InputStream is : ises) {              br = new BufferedReader(new InputStreamReader(is, "UTF-8"));              while ((line=br.readLine()) != null) {                  result.append(line);              }           }           return result.toString();        }        return null;     }}
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