java基于pdfbox，转PDF文件为图片

下载安装pdfbox 

1、Maven项目 （推荐）

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<dependencies>         <dependency>         <groupId>org.apache.pdfbox</groupId>         <artifactId>pdfbox</artifactId>         <version>3.0.0-alpha2</version>     </dependency>       <dependency>         <groupId>org.apache.pdfbox</groupId>         <artifactId>fontbox</artifactId>         <version>3.0.0-alpha2</version>     </dependency>       <dependency>          <groupId>org.apache.pdfbox</groupId>          <artifactId>pdfbox-tools</artifactId>          <version>3.0.0-alpha2</version>      </dependency>  </dependencies>

　　

2、手动下载

https://mvnrepository.com/artifact/org.apache.pdfbox/fontbox/2.0.16

3、代码

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package com.study.pdf;   import org.apache.pdfbox.Loader; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.rendering.ImageType; import org.apache.pdfbox.rendering.PDFRenderer; import org.apache.pdfbox.tools.imageio.ImageIOUtil;   import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException;   public class PdfToImage {     public static void main(String[] args) {         String pdfPath = "/Users/admin/Downloads/fp.pdf";         String destPath = "/tmp/test.jpg";         File pdfFile = new File(pdfPath);         PDDocument document = null;         try {             document = Loader.loadPDF(pdfFile);         } catch (IOException e) {             e.printStackTrace();         }         PDFRenderer renderer = new PDFRenderer(document);         BufferedImage image = null;         try {             image = renderer.renderImageWithDPI(0, 300, ImageType.RGB);         } catch (IOException e) {             e.printStackTrace();         }         boolean b = false;         try {             b = ImageIOUtil.writeImage(image, destPath, 300);         } catch (IOException e) {             e.printStackTrace();         }         System.out.println(b);     } }

4、可能遇到的问题

4-1、可能因为字体确实导致字体乱码

解决方案：

下载字体：AdobeSongStd-Light

4-2、PDDocument.load(pdfContent);飘红

解决方案：根据3.0迁移指南，PDDocument.load方法已替换为Loader方法：

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try {         document = Loader.loadPDF(pdfFile); } catch (IOException e) {         e.printStackTrace(); }