<dependency>
    <groupId>org.apache.pdfbox</groupId>
    <artifactId>pdfbox</artifactId>
    <version>2.0.24</version>
</dependency>

import java.io.File;
import java.io.IOException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.text.PDFTextStripper;

public class PDFParser {

    public static void main(String[] args) {
        try {
            // 加载PDF文档
            File file = new File("example.pdf");
            PDDocument document = PDDocument.load(file);

            // 创建PDFTextStripper对象
            PDFTextStripper pdfStripper = new PDFTextStripper();

            // 获取PDF文档内容
            String text = pdfStripper.getText(document);
            System.out.println("PDF内容:\n" + text);

            // 关闭文档
            document.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}