Java实现将Word文档转换为图像(JPEG,PNG或SVG)

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc</artifactId>
        <version>14.4.9</version>
    </dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.documents.ImageType;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class WordToJpegConverter {
    public static void main(String[] args) throws IOException {
        // 初始化Document实例
        Document wordDoc = new Document();

        // 加载源Word文档
        wordDoc.loadFromFile("Source_Contract.docx");

        // 将文档页面转换为BufferedImage数组
        BufferedImage[] pageImages = wordDoc.saveToImages(ImageType.Bitmap);

        // 遍历每一页图像并保存为JPEG
        for (int i = 0; i < pageImages.length; i++) {
            BufferedImage pageImage = pageImages[i];

            // 重新渲染为RGB色彩空间以确保JPEG兼容
            BufferedImage rgbImage = new BufferedImage(pageImage.getWidth(), 
                                                       pageImage.getHeight(), 
                                                       BufferedImage.TYPE_INT_RGB);
            rgbImage.getGraphics().drawImage(pageImage, 0, 0, null);

            // 保存为JPEG文件
            String fileName = String.format("Output_JPG/Page-%d.jpg", i);
            ImageIO.write(rgbImage, "JPEG", new File(fileName));
        }
        System.out.println("Word转换为JPEG完成。");
    }
}

import com.spire.doc.Document;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

public class WordToSvgConverter {
    public static void main(String[] args) throws IOException {
        Document wordDoc = new Document();
        wordDoc.loadFromFile("Newsletter_Design.docx");

        // 将Word文档转换为SVG数据（每一页作为SVG字节数组）
        List<byte[]> svgPageData = wordDoc.saveToSVG();

        // 保存每一页的SVG数据到单独的文件
        for (int i = 0; i < svgPageData.size(); i++) {
            byte[] data = svgPageData.get(i);
            String outputName = String.format("Output_SVG/Vector-Page-%d.svg", i);

            // 将字节数据写入文件流
            try (FileOutputStream fos = new FileOutputStream(outputName)) {
                fos.write(data);
            }
        }
        System.out.println("SVG矢量页面成功生成。");
    }
}

import com.spire.doc.Document;
import com.spire.doc.documents.ImageType;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class HighResPngConverter {
    public static void main(String[] args) throws IOException {
        Document wordDoc = new Document();
        wordDoc.loadFromFile("Technical_Manual.docx");

        // 设置高分辨率输出DPI（300 DPI适用于打印或存档）
        BufferedImage[] highResImages = wordDoc.saveToImages(0, 
                                                            wordDoc.getPageCount(), 
                                                            ImageType.Bitmap, 
                                                            300, 300);

        // 将每一页的高分辨率图像保存为PNG
        for (int i = 0; i < highResImages.length; i++) {
            BufferedImage image = highResImages[i];
            String outputPath = String.format("Output_PNG/HighRes-Page-%d.png", i);
            ImageIO.write(image, "PNG", new File(outputPath));
        }
        System.out.println("高分辨率PNG导出成功。");
    }
}

import com.aspose.words.Document;
import com.aspose.words.ImageSaveOptions;
import com.aspose.words.SaveFormat;
public class WordToImage {
    public static void main(String[] args) throws Exception {
        // 1. 加载Word文档
        Document doc = new Document("input.docx");
        // 2. 设置图片保存选项，例如输出为PNG格式
        ImageSaveOptions options = new ImageSaveOptions(SaveFormat.PNG);
        // 3. 设置图片分辨率（DPI），数值越高越清晰
        options.setResolution(300);
        // 4. 启用高质量渲染
        options.setUseHighQualityRendering(true);
        // 5. 遍历文档每一页，转换为图片
        for (int pageIndex = 0; pageIndex < doc.getPageCount(); pageIndex++) {
            options.setPageIndex(pageIndex);
            doc.save("output_page_" + (pageIndex + 1) + ".png", options);
        }
    }
}