JAVA读取PPT文件

import java.io.InputStream;
import org.apache.lucene.document.Document;
import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.model.TextRun;
import org.apache.poi.hslf.model.Slide;
import org.apache.poi.hslf.usermodel.SlideShow;
public Document getDocument(Index index, String url, String title, InputStream is)
throws DocCenterException {
StringBuffer content = new StringBuffer("");
try{
SlideShow ss = new SlideShow(new HSLFSlideShow(is));//is 为文件的InputStream，建立SlideShow
Slide[] slides = ss.getSlides();//获得每一张幻灯片
for(int i=0;i<slides.length;i++){
TextRun[] t = slides[i].getTextRuns();//为了取得幻灯片的文字内容，建立TextRun
for(int j=0;j<t.length;j++){
content.append(t[j].getText());//这里会将文字内容加到content中去
}
content.append(slides[i].getTitle());
}
index.AddIndex(url, title, content.toString());
}catch(Exception ex){
System.out.println(ex.toString());
}
return null;
}