JAVA POI ppt操作

package package1;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;

public class CreatePresentation {
	   
	   public static void main(String args[]) throws IOException{
	   
	      //creating a new empty slide show
	      XMLSlideShow ppt = new XMLSlideShow();	     
	      
	      //creating an FileOutputStream object
	      File file =new File("example2.pptx");
	      FileOutputStream out = new FileOutputStream(file);
	      
	      //saving the changes to a file
	      //ppt.write(out);
	      System.out.println("Presentation created successfully");
	      out.close();
	      ppt.close();
	   }
	}

package ppt;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;

import org.apache.poi.xslf.usermodel.XSLFSlideLayout;
import org.apache.poi.xslf.usermodel.XSLFSlideMaster;

public class CreatePresentation {
	   
	   public static void main(String args[]) throws IOException{
	   
	      //creating a new empty slide show
	      XMLSlideShow ppt = new XMLSlideShow();	     
	      
	      //creating an FileOutputStream object
	      File file =new File("example2.pptx");
	      FileOutputStream out = new FileOutputStream(file);
	      
	      
	      //getting the list of all slide masters
	      for(XSLFSlideMaster master : ppt.getSlideMasters()){
	   
	         //getting the list of the layouts in each slide master
	         for(XSLFSlideLayout layout : master.getSlideLayouts()){
	   
	            //getting the list of available slides
	            System.out.println(layout.getType());
	         } 
	      }
	      
	      //saving the changes to a file
	      ppt.write(out);
	      System.out.println("Presentation created successfully");
	      out.close();
	      ppt.close();
	   }
	}