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使用Itext将HTML转为PDF

发布时间 2023-11-16 15:18:15作者: 行人~

使用的依赖

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>html2pdf</artifactId>
    <version>3.0.5</version>
</dependency>

 获取读取文件并转为PDF

　　　　  //读取html文件内容
        File file = new File("D:\\Administrator\\Pictures\\output.html");
        StringBuilder stringBuilder = new StringBuilder();
        FileInputStream fileInputStream = new FileInputStream(file);
        int len = 0;
        byte[] buffer = new byte[1024];
        while(-1!=(len=fileInputStream.read(buffer)))
        {
            stringBuilder.append(new String(buffer,0,len));
        }
        String html = stringBuilder.toString();
        //文件地址路径
        String fontPath = "C:\\Windows\\Fonts\\simsun.ttc,0";
        //pdf文件路径
        String pdfPath = "D:\\test.pdf";
        FileOutputStream fileOutputStream = new FileOutputStream(pdfPath);
        PdfWriter pdfWriter = new PdfWriter(fileOutputStream);
        PdfDocument pdfDocument = new PdfDocument(pdfWriter);
        //设置纸张大小
        pdfDocument.setDefaultPageSize(PageSize.A4);
        //添加中文字体支持
        ConverterProperties properties = new ConverterProperties();
        FontProvider fontProvider = new FontProvider();
        fontProvider.addFont(fontPath);
        properties.setFontProvider(fontProvider);
        // 生成pdf文档
        HtmlConverter.convertToPdf(html,pdfWriter,properties);
        pdfWriter.close();