Aspose.HTML for Java API

Renderizar HTML como formatos de diseño fijo – Java

// Load HTML document from file
HTMLDocument htmdoc = new HTMLDocument(dir + "template.html");

// Render HTML to PDF & XPS
HtmlRenderer renderer = new HtmlRenderer();

renderer.render(new PdfDevice(new PdfRenderingOptions(), dir + "output.pdf"), htmdoc);
renderer.render(new XpsDevice(new XpsRenderingOptions(), dir + "output.xps"), htmdoc);

Conversión a imágenes ráster

Aspose.HTML for Java cuenta con un motor de renderizado de alta fidelidad que convierte páginas HTML a los formatos de imagen rasterizados más utilizados, incluidos TIFF, GIF, BMP, PNG y JPEG, sin necesidad de software o herramientas adicionales.

// Initialize an HTML document from a file
HTMLDocument document = new HTMLDocument("document.html");

// Initialize ImageSaveOptions
ImageSaveOptions options = new ImageSaveOptions(ImageFormat.Png);

// Convert HTML to PNG
Converter.convertHTML(document, options, "document-output.png");

Puede probar el Convertidor HTML en línea.

Convierte MHTML a PDF con Aspose.HTML for Java

// Open an existing MHTML file for reading
java.io.FileInputStream fileInputStream = new java.io.FileInputStream("sample.mht");

// Create an instance of the PdfSaveOptions class
PdfSaveOptions options = new PdfSaveOptions();

// Call the convertMHTML() method to convert MHTML to PDF
Converter.convertMHTML(fileInputStream, options, "sample-output.pdf");

Extraer todos los nodos de tipo ancla

// Instance creation of HTMLDocument and loading HTML from URL
HTMLDocument dct = new HTMLDocument("https://www.aspose.com");

// Get all anchor type nodes
NodeList nodelist = dct.getDocumentElement().querySelectorAll("a");

// Display anchor text & href values for all nodes
for (Node node : nodelist){

    HTMLAnchorElement anchor = (HTMLAnchorElement)node;
    System.out.println("Text: " + node.getTextContent() + " Href: " + anchor.getHref());
}

Deshabilitar scripts para la conversión de HTML a PDF con Java

// Prepare HTML code and save it to a file
String code = "Hello, World!!\n" +
        "\n";

try (java.io.FileWriter fileWriter = new java.io.FileWriter("sandboxing.html")) {
    fileWriter.write(code);
}

// Create an instance of the Configuration class
Configuration configuration = new Configuration();

// Mark 'scripts' as an untrusted resource
configuration.setSecurity(com.aspose.html.Sandbox.Scripts);

// Initialize an HTML document with specified configuration
HTMLDocument document = new HTMLDocument("sandboxing.html", configuration);

// Convert HTML to PDF
Converter.convertHTML(document, new PdfSaveOptions(), "sandboxing_out.pdf");