Android中使用POI加载与显示word文档

package com.example.office;import java.io.BufferedWriter;
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.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.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.w3c.dom.Document;import android.os.Bundle;
import android.app.Activity;
import android.webkit.WebSettings;
import android.webkit.WebView;public class MainActivity extends Activity { private String docPath = "/mnt/sdcard/documents/";
private String docName = "test.doc";
private String savePath = "/mnt/sdcard/documents/"; @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String name = docName.substring(0, docName.indexOf("."));
try {
if(!(new File(savePath+name).exists()))
new File(savePath+name).mkdirs();
convert2Html(docPath+docName,savePath+name+".html");
} catch (Exception e){
e.printStackTrace();
}
//WebView加载显示本地html文件
WebView webView = (WebView)this.findViewById(R.id.office);
WebSettings webSettings = webView.getSettings();
webSettings.setLoadWithOverviewMode(true);
webSettings.setSupportZoom(true);
webSettings.setBuiltInZoomControls(true);
webView.loadUrl("file:/"+savePath+name+".html");
} /**
* word文档转成html格式
* */
public void convert2Html(String fileName, String outPutFile)
throws TransformerException, IOException,
ParserConfigurationException {
HWPFDocument wordDocument = new HWPFDocument(new FileInputStream(fileName));
WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(
DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument()); //设置图片路径
wordToHtmlConverter.setPicturesManager(new PicturesManager()
{
public String savePicture( byte[] content,
PictureType pictureType, String suggestedName,
float widthInches, float heightInches )
{
String name = docName.substring(0,docName.indexOf("."));
return name+"/"+suggestedName;
}
} ); //保存图片
List<Picture> pics=wordDocument.getPicturesTable().getAllPictures();
if(pics!=null){
for(int i=0;i<pics.size();i++){
Picture pic = (Picture)pics.get(i);
System.out.println( pic.suggestFullFileName());
try {
String name = docName.substring(0,docName.indexOf("."));
pic.writeImageContent(new FileOutputStream(savePath+ name + "/"
+ pic.suggestFullFileName()));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
wordToHtmlConverter.processDocument(wordDocument);
Document htmlDocument = wordToHtmlConverter.getDocument();
ByteArrayOutputStream out = new ByteArrayOutputStream();
DOMSource domSource = new DOMSource(htmlDocument);
StreamResult streamResult = new StreamResult(out); 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);
out.close();
//保存html文件
writeFile(new String(out.toByteArray()), outPutFile);
} /**
* 将html文件保存到sd卡
* */
public void writeFile(String content, String path) {
FileOutputStream fos = null;
BufferedWriter bw = null;
try {
File file = new File(path);
if(!file.exists()){
file.createNewFile();
}
fos = new FileOutputStream(file);
bw = new BufferedWriter(new OutputStreamWriter(fos,"utf-8"));
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) {
}
}
}
}

WebView webView = (WebView)this.findViewById(R.id.office);
WebSettings webSettings = webView.getSettings();
webSettings.setLoadWithOverviewMode(true);
webSettings.setSupportZoom(true);
webSettings.setBuiltInZoomControls(true);
webView.loadUrl("file:/"+savePath+name+".html");