Java实现HTML转PDF的两款工具(itext-pdfhtml和x-easypdf)介绍与使用

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>html2pdf</artifactId>
    <version>6.2.1</version>
</dependency>

@RequestMapping("index6")
public void index6(Model model, HttpServletResponse response) throws IOException {
    List<Map<String, Object>> list = new ArrayList<>();
    for (int i = 0; i < 3; i++) {
        Map<String, Object> item = new HashMap<>();
        item.put("image1", "http://example.com/2eb97.jpg");
        item.put("image2", "http://example.com/2f9c3.jpg");
        item.put("vehicleName", "路虎Defender［卫士］（进口）2023款Defender130 48V［卫士 130 48V] 3.0T手自－体P400 HSE");
        item.put("brandName", "路虎");
        item.put("seriesName", "Defender［卫士］");
        item.put("modelYear", "2023款");
        item.put("licenseYear", SDF.format(new Date()));
        item.put("displayMileage", DF.format(new BigDecimal("9657")));
        item.put("dealDate", SDF.format(new Date()));
        item.put("dealPrice", DF.format(new BigDecimal("702400")));

        item.put("licenseCode", "沪A952714");

        list.add(item);
    }
    model.addAttribute("list", list);
    Map<String, Object> map = new HashMap<>();
    map.put("list", list);

    Context context = new Context(Locale.getDefault(), map);
    String htmlContent = templateEngine.process("index", context);
    System.out.println(htmlContent);

    // ---------------------------------------------------
    /*itext-html2pdf*/
    ConverterProperties properties = new ConverterProperties();

    FontProvider fontProvider = new FontProvider();
    fontProvider.addSystemFonts();
//        fontProvider.addFont("C:\\Windows\\Fonts\\simhei.ttf");
    // 添加系统字体
    properties.setFontProvider(fontProvider);

    HtmlConverter.convertToPdf(htmlContent, response.getOutputStream(), properties);
}

<dependency>
    <groupId>org.dromara</groupId>
    <artifactId>x-easypdf</artifactId>
    <version>3.4.7</version>
</dependency>
<dependency>
    <groupId>com.microsoft.playwright</groupId>
    <artifactId>playwright</artifactId>
    <version>1.53.0</version>
</dependency>

@RequestMapping("index10")
public void index10(HttpServletResponse response) throws IOException {
    // 获取html转换器
    HtmlConvertor convertor = PdfHandler.getDocumentConvertor().getHtmlConvertor();
    Document pdf = convertor.toPdf("http://127.0.0.1:8080/page/index");
    pdf.save(response.getOutputStream());
}

@RequestMapping("index12")
public void index12(HttpServletResponse response) throws IOException {
    List<Map<String, Object>> list = new ArrayList<>();
    for (int i = 0; i < 3; i++) {
        Map<String, Object> item = new HashMap<>();
        item.put("image1", "http://example.com/2eb97.jpg");
        item.put("image2", "http://example.com/2f9c3.jpg");
        item.put("vehicleName", "路虎Defender［卫士］（进口）2023款Defender130 48V［卫士 130 48V] 3.0T手自－体P400 HSE");
        item.put("brandName", "路虎");
        item.put("seriesName", "Defender［卫士］");
        item.put("modelYear", "2023款");
        item.put("licenseYear", SDF.format(new Date()));
        item.put("displayMileage", DF.format(new BigDecimal("9657")));
        item.put("dealDate", SDF.format(new Date()));
        item.put("dealPrice", DF.format(new BigDecimal("702400")));

        item.put("licenseCode", "沪A952714");

        list.add(item);
    }
    Map<String, Object> map = new HashMap<>();
    map.put("list", list);

    ThymeleafTemplater templater = PdfHandler.getDocumentTemplater().getThymeleafTemplater();
    templater.setTemplatePath("templates");
    templater.setTemplateName("index.html");
    templater.setTemplateData(map);

    // 获取 html 内容
    String content = templater.getHtmlContent();
    System.out.println(content);

    // 转换文档
    Document document = templater.transform();
    document.save(response.getOutputStream());
}

<dependency>
	<groupId>ognl</groupId>
	<artifactId>ognl</artifactId>
	<version>3.1.28</version>
</dependency>

@page {
    size: A4;
    margin: 20px;
}

@RequestMapping("index11")
public void index11(HttpServletResponse response) throws IOException {
    try (Playwright playwright = Playwright.create();
         Browser browser = playwright.chromium().launch()) {
        BrowserContext context = browser.newContext();
        Page page = context.newPage();

        // 从HTML内容生成PDF
        page.setContent("<h1>Hello, Playwright!</h1>");
        byte[] pdf = page.pdf();

        ByteArrayInputStream bais = new ByteArrayInputStream(pdf);
        IOUtils.copy(bais, response.getOutputStream());
    }
}