Apache POI PPT - 读取图形

简述

您可以使用 XSLFShape 类的方法 getShapeName() 来计算演示文稿中使用的形状数量。下面给出的是从演示文稿中读取形状的程序 −



import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.List;

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

import org.apache.poi.xslf.usermodel.XSLFShape;

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



public class ReadingShapes {

   public static void main(String args[]) throws IOException {

      //creating a slideshow 

      File file = new File("shapes.pptx");

      XMLSlideShow ppt = new XMLSlideShow(new FileInputStream(file));

      

      //get slides 

      List<XSLFSlide> slide = ppt.getSlides();

      

      //getting the shapes in the presentation

      System.out.println("Shapes in the presentation:");

      for (int i = 0; i < slide.size(); i++){

         List<XSLFShape> sh = slide.get(i).getShapes();

         for (int j = 0; j < sh.size(); j++){

            //name of the shape

            System.out.println(sh.get(j).getShapeName());

         }

      }

      FileOutputStream out = new FileOutputStream(file);

      ppt.write(out);

      out.close();   

   }

}

将上面的Java代码保存为ReadingShapes.java，然后在命令提示符下编译执行如下 −



$javac ReadingShapes.java

$java ReadingShapes

它将编译并执行以生成以下输出。



Shapes in the presentation: 

Rectangle 1

Oval 1

Isosceles Triangle 1

新添加的各种形状的幻灯片如下所示−