Java 示例 - 从 PDF 中提取图像

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  问题描述

  如何使用java从PDF中提取图像。
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  解决方案

  以下是使用 Java 从 PDF 中提取图像的程序。

  
  import java.awt.image.BufferedImage; 
  import java.io.File; 
  import javax.imageio.ImageIO; 
  import org.apache.pdfbox.pdmodel.PDDocument; 
  import org.apache.pdfbox.rendering.PDFRenderer;  
  public class ExtractImageFromPdf {  
     public static void main(String args[]) throws Exception {  
        
        //Loading an existing PDF document 
        File file = new File("C:/pdfBox/ExtractImage_IP.pdf"); 
        PDDocument document = PDDocument.load(file); 
        
        //Instantiating the PDFRenderer class 
        PDFRenderer renderer = new PDFRenderer(document);  
        
        //Rendering an image from the PDF document 
        BufferedImage image = renderer.renderImage(0);  
        
        //Writing the image to a file 
        ImageIO.write(image, "JPEG", new File("C:/pdfBox/ExtractImage_OP.png")); 
        System.out.println("Image created"); 
        //Closing the document 
        document.close();  
     } 
  }
  

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