Detailed explanation of how to convert Word and PDF to pictures in Java

<!-- wordTransfer tool -->
<dependency>
    <groupId></groupId>
    <artifactId>poi-tl</artifactId>
    <version>1.8.0</version>
</dependency>
<dependency>
    <groupId></groupId>
    <artifactId>aspose-words</artifactId>
    <version>23.1</version>
</dependency>

import ;
import ;
import .slf4j.Slf4j;

import ;
import ;
import ;
import ;

@Slf4j
public class WordToImageUtil {

    public static void main(String[] args) {
        wordToImage("C:\\Users\\Administrator\\Documents\\Enter script\\324\\", "");
    }

    public static List<String> wordToImage(String filePath, String fileName) {
        ("Start word to picture");
        List<String> resultList = new ArrayList<String>();

        // Get file path separator        String separator = ;

        try {
            // After filling the data, it is converted into a picture            File file1 = new File(filePath + separator + fileName); // Use the system's path separator            // Open the generated Word file            Document doc = new Document((()));

            // Save Word files as pictures page by page (PNG format)            for (int i = 0; i < (); i++) {
                Document extractedPage = (i, 1);
                // Splice the file name                String path = filePath + separator + "tmpImg" + separator + removeFileExtension(fileName) + separator +
                        "img" + () + "_" + i + ".png"; // Use the system's path separator
                // Create a directory (if it does not exist)                File tmpDir = new File(filePath + separator + "tmpImg" + separator + removeFileExtension(fileName));
                if (!()) {
                    (); // Create a directory                }

                // Save Word files as PNG format                (path, );
                (path);
            }
        } catch (Exception e) {
            ();
            return new ArrayList<>();
        }
        ("End Word to Picture");
        return resultList;
    }


    /**
      * Remove the suffix name
      * @param fileName
      * @return
      */
    public static String removeFileExtension(String fileName) {
        int dotIndex = (".");
        if (dotIndex == -1) {
            return fileName; // If no point is found, return the original file name        }
        return (0, dotIndex); // Return the file name with the suffix name removed    }
}

<!--PDFConvert to picture-->
<dependency>
    <groupId></groupId>
    <artifactId>fontbox</artifactId>
    <version>2.0.9</version>
</dependency>
<!-- /artifact//pdfbox -->
<dependency>
    <groupId></groupId>
    <artifactId>pdfbox</artifactId>
    <version>2.0.9</version>
</dependency>
<!-- /artifact/commons-logging/commons-logging -->
<dependency>
    <groupId>commons-logging</groupId>
    <artifactId>commons-logging</artifactId>
    <version>1.2</version>
</dependency>

import ;
import ;
import ;
import ;
import ;
import ;
public class PdfToImage {
    /**
      * Use pdfbox to convert the entire pdf into an image
      *
      * @param fileAddress File address For example: C:\\Users\\user\\Desktop\\test
      * @param filename PDF filename without suffix name
      * @param type Image types png and jpg
      */
    public static void pdf2png(String fileAddress, String filename, String type) {
        long startTime = ();
        // Splice the file address and file name into a path. Note: Online environment cannot use \\ splicing        File file = new File(fileAddress + "\\" + filename + ".pdf");
        try {
            // Write to the file            PDDocument doc = (file);
            PDFRenderer renderer = new PDFRenderer(doc);
            int pageCount = ();
            for (int i = 0; i < pageCount; i++) {
                // dpi is 144, the higher the clearer the more you are, the slower the conversion                BufferedImage image = (i, 144); // Windows native DPI
                // Write the picture to this path                (image, type, new File(fileAddress + "\\" + filename + "_" + (i + 1) + "." + type));
            }
            long endTime = ();
        	("Total time spent:" + ((endTime - startTime) / 1000.0) + "Second");  //Conversion time        } catch (IOException e) {
            ();
        }
    }
    public static void main(String[] args) {
        pdf2png("C:\\Users\\Administrator\\Documents\\xxx\\pdf", "file name", "png");
    }
}