鍦↗ava涓紝鍙互浣跨敤Apache PDFBox搴撴潵鑾峰彇PDF鐨勯〉鏁般€傞鍏堬紝浣犻渶瑕佸鍏DFBox鐨勫簱鏂囦欢锛岀劧鍚庢寜鐓т互涓嬫楠よ幏鍙朠DF鐨勯〉鏁帮細

1. 棣栧厛锛屽垱寤轰竴涓狿DDocument瀵硅薄鏉ヨ〃绀篜DF鏂囨。锛屽彲浠ヤ娇鐢≒DDocument绫荤殑load()鏂规硶鏉ュ姞杞絇DF鏂囦欢锛?/li>

import org.apache.pdfbox.pdmodel.PDDocument;

PDDocument document = PDDocument.load(new File("path/to/pdf"));

2. 鐒跺悗锛屽彲浠ヤ娇鐢╣etNumPages()鏂规硶鏉ヨ幏鍙朠DF鐨勯〉鏁帮細

int numPages = document.getNumPages();
System.out.println("PDF椤甸潰鏁帮細" + numPages);

3. 鏈€鍚庯紝璁板緱鍦ㄤ笉闇€瑕佷娇鐢≒DDocument瀵硅薄鏃跺叧闂畠锛屼互閲婃斁璧勬簮锛?/li>

document.close();

瀹屾暣鐨勭ず渚嬩唬鐮佸涓嬶細

import org.apache.pdfbox.pdmodel.PDDocument;
import java.io.File;

public class GetPDFPageCount {
    public static void main(String[] args) {
        try {
            PDDocument document = PDDocument.load(new File("path/to/pdf"));
            int numPages = document.getNumPages();
            System.out.println("PDF椤甸潰鏁帮細" + numPages);
            document.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

璇峰皢涓婅堪浠ｇ爜涓殑 鈥減ath/to/pdf鈥?鏇挎崲涓哄疄闄呯殑PDF鏂囦欢璺緞銆?/p>