Apache POI PPT - 读取形状

你可以使用 XSLFShape 类的 getShapeName() 方法获取演示文稿中使用的形状数量。以下是读取演示文稿中形状的程序 −

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();	
   }
}

将上述 Java 代码另存为 ReadingShapes.java，然后从命令提示符对其进行编译和执行，如下所示 −

$javac ReadingShapes.java
$java ReadingShapes

它将进行编译和执行，生成以下输出。

Shapes in the presentation: 
Rectangle 1
Oval 1
Isosceles Triangle 1

新添加的带有各种形状的幻灯片如下所示 −