pdfbox自带的转换html的方法效果不是太好，pdfdom是基于pdfbox的，在此之上加强了转换html的能力。

maven

        <dependency>

            <groupId>net.sf.cssbox</groupId>

            <artifactId>pdf2dom</artifactId>

            <version>1.6</version>

        </dependency>

        <dependency>

            <groupId>org.apache.pdfbox</groupId>

            <artifactId>pdfbox</artifactId>

            <version>2.0.4</version>

        </dependency>

        <dependency>

            <groupId>org.apache.pdfbox</groupId>

            <artifactId>pdfbox-tools</artifactId>

            <version>2.0.4</version>

        </dependency>

使用

public void generateHTMLFromPDF(String filename) throws IOException, ParserConfigurationException {

        PDDocument pdf = PDDocument.load(new File(filename));

        Writer output = new PrintWriter("pdf.html", "utf-8");

        new PDFDomTree().writeText(pdf, output);

        output.close();

}

或者

public void convertPdf2Html(File input,Writer out) throws IOException, ParserConfigurationException {

        PDDocument pdf = PDDocument.load(input);

        PDFDomTree tree = new PDFDomTree();

        tree.writeText(pdf,out);

}

doc

Pdf2Dom

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