<!-- word轉(zhuǎn)圖工具 -->
<dependency>
    <groupId>com.deepoove</groupId>
    <artifactId>poi-tl</artifactId>
    <version>1.8.0</version>
</dependency>
<dependency>
    <groupId>com.luhuiguo</groupId>
    <artifactId>aspose-words</artifactId>
    <version>23.1</version>
</dependency>

import com.aspose.words.Document;
import com.aspose.words.SaveFormat;
import lombok.extern.slf4j.Slf4j;

import java.io.File;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;

@Slf4j
public class WordToImageUtil {

    public static void main(String[] args) {
        wordToImage("C:\\Users\\Administrator\\Documents\\錄入腳本\\324\\", "xxxx.doc");
    }

    public static List<String> wordToImage(String filePath, String fileName) {
        log.info("開始word轉(zhuǎn)換為圖片");
        List<String> resultList = new ArrayList<String>();

        // 獲取文件路徑分隔符
        String separator = File.separator;

        try {
            // 填充數(shù)據(jù)完畢的test.docx，在轉(zhuǎn)換成圖片
            File file1 = new File(filePath + separator + fileName); // 使用系統(tǒng)的路徑分隔符
            // 打開生成的 Word 文件
            Document doc = new Document(Files.newInputStream(file1.toPath()));

            // 逐頁(yè)將 Word 文件保存為圖片（PNG格式）
            for (int i = 0; i < doc.getPageCount(); i++) {
                Document extractedPage = doc.extractPages(i, 1);
                // 拼接上文件名
                String path = filePath + separator + "tmpImg" + separator + removeFileExtension(fileName) + separator +
                        "img" + System.currentTimeMillis() + "_" + i + ".png"; // 使用系統(tǒng)的路徑分隔符

                // 創(chuàng)建目錄（如果不存在的話）
                File tmpDir = new File(filePath + separator + "tmpImg" + separator + removeFileExtension(fileName));
                if (!tmpDir.exists()) {
                    tmpDir.mkdirs(); // 創(chuàng)建目錄
                }

                // 將 Word 文件保存為圖片PNG格式
                extractedPage.save(path, SaveFormat.PNG);
                resultList.add(path);
            }
        } catch (Exception e) {
            e.printStackTrace();
            return new ArrayList<>();
        }
        log.info("結(jié)束word轉(zhuǎn)換為圖片");
        return resultList;
    }


    /**
     * 去掉后綴名
     * @param fileName
     * @return
     */
    public static String removeFileExtension(String fileName) {
        int dotIndex = fileName.lastIndexOf(".");
        if (dotIndex == -1) {
            return fileName; // 如果沒(méi)有找到點(diǎn)，則返回原始文件名
        }
        return fileName.substring(0, dotIndex); // 返回去掉后綴名的文件名
    }
}

<!--PDF轉(zhuǎn)換為圖片-->
<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>

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 PdfToImage {
    /**
     * 使用pdfbox將整個(gè)pdf轉(zhuǎn)換成圖片
     *
     * @param fileAddress 文件地址 如:C:\\Users\\user\\Desktop\\test
     * @param filename    PDF文件名不帶后綴名
     * @param type        圖片類型 png 和jpg
     */
    public static void pdf2png(String fileAddress, String filename, String type) {
        long startTime = System.currentTimeMillis();
        // 將文件地址和文件名拼接成路徑 注意：線上環(huán)境不能使用\\拼接
        File file = new File(fileAddress + "\\" + filename + ".pdf");
        try {
            // 寫入文件
            PDDocument doc = PDDocument.load(file);
            PDFRenderer renderer = new PDFRenderer(doc);
            int pageCount = doc.getNumberOfPages();
            for (int i = 0; i < pageCount; i++) {
                // dpi為144，越高越清晰，轉(zhuǎn)換越慢
                BufferedImage image = renderer.renderImageWithDPI(i, 144); // Windows native DPI
                // 將圖片寫出到該路徑下
                ImageIO.write(image, type, new File(fileAddress + "\\" + filename + "_" + (i + 1) + "." + type));
            }
            long endTime = System.currentTimeMillis();
        	System.out.println("共耗時(shí)：" + ((endTime - startTime) / 1000.0) + "秒");  //轉(zhuǎn)化用時(shí)
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public static void main(String[] args) {
        pdf2png("C:\\Users\\Administrator\\Documents\\xxx\\pdf", "文件名", "png");
    }
}