1:maven添加jar
<!-- https://mvnrepository.com/artifact/org.apache.pdfbox/fontbox -->
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>fontbox</artifactId>
<version>2.0.9</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.pdfbox/pdfbox -->
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>2.0.9</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-logging/commons-logging -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
2:java 代码
package com.iam800.test.pdfToImage;/*
*@作者 yangshaoping.ex
*@时间 2023/3/3
*/
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.rendering.PDFRenderer;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
public class Main {
public static void main(String[] args) {
String fileAddress="D:\\BaiduNetdiskDownload";
String filename="11";
String type="png";
pdf2png(fileAddress,filename,type);
}
/**
* 转换全部的pdf
* @param fileAddress 文件地址
* @param filename PDF文件名
* @param type 图片类型
*/
public static void pdf2png(String fileAddress,String filename,String type) {
String path=fileAddress+"\\"+filename+".pdf";
// 将pdf装图片 并且自定义图片得格式大小
File file = new File(fileAddress+"\\"+filename+".pdf");
System.out.println("--开始转换---"+path);
try {
PDDocument doc = PDDocument.load(file);
PDFRenderer renderer = new PDFRenderer(doc);
int pageCount = doc.getNumberOfPages();
for (int i = 0; i < pageCount; i++) {
BufferedImage image = renderer.renderImageWithDPI(i, 144); // Windows native DPI
// BufferedImage srcImage = resize(image, 240, 240);//产生缩略图
ImageIO.write(image, type, new File(fileAddress+"\\pdf"+"\\"+filename+"_"+(i+1)+"."+type));
}
System.out.println("--结束转换---"+path);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
*自由确定起始页和终止页
* @param fileAddress 文件地址
* @param filename pdf文件名
* @param indexOfStart 开始页 开始转换的页码,从0开始
* @param indexOfEnd 结束页 停止转换的页码,-1为全部
* @param type 图片类型
*/
public static void pdf2png(String fileAddress,String filename,int indexOfStart,int indexOfEnd,String type) {
// 将pdf装图片 并且自定义图片得格式大小
//File file = new File(fileAddress+"\\"+filename+".pdf");
File file = new File(".pdf");
try {
PDDocument doc = PDDocument.load(file);
PDFRenderer renderer = new PDFRenderer(doc);
int pageCount = doc.getNumberOfPages();
for (int i = indexOfStart; i < indexOfEnd; i++) {
BufferedImage image = renderer.renderImageWithDPI(i, 144); // Windows native DPI
// BufferedImage srcImage = resize(image, 240, 240);//产生缩略图
ImageIO.write(image, type, new File(fileAddress+"\\"+filename+"_"+(i+1)+"."+type));
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
3:效果图片