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PDF encryption and decryption (I)-Analysis of PDF encryption dictionary objects 0 keywordsPDF encryption has two passwords: Owner (to set the PDF document permission or change the permission) password and user password. In this document, the master (permission) password and user password are translated, I think the permission password is better, so it is called t

Transferred from: http://www.gtwang.org/2011/05/linux-pdf.htmlPDF file is a cross-platform file format, but adobe only provides free Adobe Reader to see PDF files without problems, but often we need to do some simple editing of PDF files, just rely on Adobe Reader does not have the process, such as the removal of the PDF file A few pages, or merge two PDFs togeth

PDF files are becoming more and more popular and working with the need to modify PDF files is often a problem. A PDF reader is installed on the average person's computer for PDF files, but it can only be used to read and view PDF files, and does not meet people's editorial n

Summary: PDF documents are often used in electronic books, brochures, and so on, can effectively prevent copying and piracy, in the PHP4, we can create a document in PDF format? The answer is: Use the PDF extension Library in PHP. How do I configure a running environment that supports PDFs? First, we need to install Pdflib 3.0.1 and PHP4.0.1PL2 to support PDFs. S

PDF data anti-proliferation system solution, pdf anti-proliferation Solution In the process of enterprise informatization, a large number of important enterprise drawings and materials exist in the form of electronic documents. To avoid the leakage of important internal data, multiple methods are adopted: design the Department's access control, firewall, and prohibit computer USB interfaces. However, the le

C # Copy a PDF page to another PDF documentSometimes we may have a need to copy a PDF page from one PDF document to another PDF document. Because PDF documents are not as well edited as Word documents, copying is also relatively l

In the study or office process, often encountered some large PDF files need to be converted into Word document problems, inexperienced friends often do not know how to convert PDF files into Word, but in fact we can use a simple PDF compression tool to reduce the volume of text, Then turn it into Word format document.　　Today to share a full-featured

The first step: Using MPDF (version 6.1) to convert an HTML page to a PDF file, you can go to it successfully. The code is as follows: $html = "对盲人初学者来说，它无需任何额外的修改。";// $html = "These are the most used acronyms throughout this manual.";include './mpdf/mpdf.php';$mpdf=new mPDF('+aCJK'); $mpdf->autoScriptToLang = true;$mpdf->autoLangToFont = true;$mpdf->WriteHTML($html);$mpdf->Output(); Step Two: When using Imagick to achieve

Read Catalogue 1.PDF File Writer Basic introduction 2. A simple use case 3. Resources 1 years ago, I was in the article: these. NET open source project you know? NET platform open source document and report Processing component (9th), we recommend an open source free PDF Read-write component Pdfsharp,pdfsharp I have seen it 2 years ago, using simple examples, but the code is not writte

PDF is an electronic file format developed by Adobe, where many e-books, product descriptions, and corporate documents are made into PDF files in everyday office. Because our operating system does not support the open PDF file by default, it becomes a question for many users how to open the PDF file. In fact, as long a

Related Topics: PDF online solution (1) -- File Upload PDF online solution (2) -- convert files to PDF As mentioned in the previous article, there are a large number of examples of file upload on the network, because a complete solution is provided for reference only; this article describes how to convert common files to PDF