PDFBOX和ASPOSE.PDF

/**
 * docx文本按段分段
 */
public static void main(String[] args) {
    int i = 1;
    try {
        // 打开文件流
        FileInputStream file = new FileInputStream("I:\\范文.docx");
        // 创建 Word 文档对象
        XWPFDocument doc = new XWPFDocument(file);
        // 获取所有段落
        for (XWPFParagraph para : doc.getParagraphs()) {
            // 输出段落文本
            if (!para.getText().equals("")) {
                System.out.println(i++ + ":" + para.getText());
            }
        }
        // 关闭文件流
        file.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

<dependency>
        <groupId>com.aspose</groupId>
        <artifactId>aspose-words-crack</artifactId>
        <version>21.1</version>
    </dependency>
    <dependency>
        <groupId>com.aspose</groupId>
        <artifactId>aspose-slides</artifactId>
        <version>18.7</version>
    </dependency>
    <dependency>
        <groupId>com.aspose</groupId>
        <artifactId>aspose-cell</artifactId>
        <version>18.9</version>
    </dependency>

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itext7-core</artifactId>
    <version>7.1.15</version>
</dependency>

<dependency>
    <groupId>org.apache.pdfbox</groupId>
    <artifactId>pdfbox</artifactId>
    <version>1.8.10</version>
</dependency>

public static void main(String[] args) throws IOException {
    String pdfPath = "C:\\Users\\Fushihao\\Desktop\\pdf\\test.pdf";
    int pageIndex = 4; // 指定要提取文本的页面号码
    // 加载 PDF 文件
    PDDocument document = PDDocument.load(new File(pdfPath));
    // 提取指定页面的文本
    PDFTextStripper stripper = new PDFTextStripper();
    stripper.setStartPage(pageIndex + 1);
    stripper.setEndPage(pageIndex + 1);
    String pageText = stripper.getText(document);
    // 输出文本到控制台
    System.out.println(pageText);
    // 关闭 PDF 文件
    document.close();
}

<dependency>
    <groupId>org.apache.pdfbox</groupId>
    <artifactId>pdfbox</artifactId>
    <version>1.8.10</version>
</dependency>

public static int getPdfWords(File file) throws IOException {
    // 加载文件
    PDDocument document = PDDocument.load(file);
    PDFTextStripper stripper = new PDFTextStripper();
    // 获取字数
    String text = stripper.getText(document);
    // 关闭
    document.close();
    // 去除特殊符号返回字数
    return text.replaceAll("[\\r\\n\\t ]+", "").length();
}