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java word線上預覽轉換html

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);
	        //拼一個标準的HTML格式文檔
	        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寫入到對應的word輸出流os中
	      * 不考慮異常的捕獲,直接抛出
	      * @param is
	      * @param os
	      * @throws IOException
	      */
	     private void inputStreamToWord(InputStream is, OutputStream os) throws IOException {
	        POIFSFileSystem fs = new POIFSFileSystem();
	        //對應于org.apache.poi.hdf.extractor.WordDocument
	        fs.createDocument(is, "WordDocument");
	        fs.writeFilesystem(os);
	        os.close();
	        is.close();
	     }
	     
	     /**
	      * 把輸入流裡面的内容以UTF-8編碼當文本取出。
	      * 不考慮異常,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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