An electronic book, popularly known as eBook, is a book in digital form that is readable on various electronic devices. These devices include dedicated eReaders like Kindle, or laptops, desktop computers, and smartphones. There are many popular file formats of eBooks in-use in the market that include; EPUB, FictionBook FB2, Microsoft Compiled HTML Help - CHM, DjVu, MOBI, PDF, and many others. As a programmer, this article will help you to programmatically extract images from eBooks in C# within .NET applications.
在 Java 中生成 QR 码以签署文档和图像
QR code (Quick Response code) is the type of 2D Barcodes or matrix barcode. It is the machine-readable label that contains information about the attached item. This article will guide you about programmatically adding QR codes to electronically sign your documents and images using Java.
在 Java 中将演示文稿转换为 PDF
As PDF is the popular portable document format, so there comes the need to convert documents of other formats to PDF. Today, we will see different ways to convert PPT, PPTX, or ODP presentations to PDF in Java. In an earlier post, we have seen [how to convert presentations using C#][1].
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从 Java 中的 JSON 数据生成报告
JSON is a formatted and readable data interchange format to transmit data with attributes. However, the large data in JSON format is not very presentable and easily understandable. We mostly need to convert the large JSON data into a presentable format. This article will guide you to convert JSON data into PDF report in Java using a simple template.
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在 C# 中生成 QR 码以对文档和图像进行签名
在本文中，我们将了解如何使用 C# 以编程方式添加 QR 码以对文档和图像进行电子签名。 GroupDocs.Signature for .NET 是用于在 PDF 文件、文字处理文档、电子表格、演示文稿和图像中添加二维码的 API。它支持大量支持的文件格式的各种电子签名。二维码中，支持Aztec Code、DataMatrix Code、GS1 DataMatrix、GS1 QR、QR类型。 API 允许我们将二维码添加到 JPG/JPEG、PNG、WebP、BMP、GIF、SVG、CMX 和 TIFF 图像以及更多图像文件格式。
在 Java 中从发票和收据中提取数据
In the era of online businesses, the use of digital invoices and receipts has largely increased. Similarly, the efficient data extraction from these digital invoices is also demanding. In this article, you will be knowing how to extract data from PDF invoices or receipts programmatically in Java.
[继续阅读…][1]