Itextpdf在图像下添加标题

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.FileOutputStream;
import java.io.IOException;

public class AddTitleUnderImage {
    public static void main(String[] args) {
        // 创建PDF文档对象
        Document document = new Document();

        try {
            // 创建PdfWriter实例，将文档对象保存到文件
            PdfWriter.getInstance(document, new FileOutputStream("output.pdf"));

            // 打开文档
            document.open();

            // 添加图像
            Image image = Image.getInstance("image.jpg");
            document.add(image);

            // 添加标题
            Paragraph title = new Paragraph("This is the title");
            document.add(title);

            // 关闭文档
            document.close();

            System.out.println("PDF created successfully.");
        } catch (DocumentException | IOException e) {
            e.printStackTrace();
        }
    }
}