[翻译]上一章中，我们已经学习了如何向PDF文档插入图片。在本章中，我们将讨论如何向PDF文档添加JavaScript。][原文]In the previous chapter, we have learnt how to insert image into a PDF document. In this chapter, we will discuss how to add JavaScript
[翻译]在前面的示例中，您已经了解了如何创建新文档并向其中添加页面。本章将教您如何加载系统中已有的PDF文档，并对其进行一些操作。[原文]In the previous examples, you have seen how to create a new document and add pages to it. This chapter teaches you how to load a PD
[翻译] In the previous chapter, we have seen how to add text to an existing PDF document. In this chapter, we will discuss how to read text from an existing PDF document. [原文] 上一章中，我们已经了解了如何向现有 PDF 文档添加
In the previous chapter, we have seen how to split a given PDF document into multiple documents. Let us now learn how to merge multiple PDF documents as a single document.
[翻译]在上一章提供的示例中，我们讨论了如何向PDF页面添加文本，但通过该程序，您只能添加适合单行的文本。如果尝试添加更多内容，超出单行空间的所有文本将不会显示。[原文]In the example provided in the previous chapter we discussed how to add text to a page in a PDF but through this pr