我们可以使用itext的PdfWriter类的
方法来为pdf文件设置密码
- setEncryption
- package com.open.pdf;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.OutputStream;
- import java.util.Date;
- import com.itextpdf.text.Document;
- import com.itextpdf.text.Paragraph;
- import com.itextpdf.text.pdf.PdfWriter;
- public class GeneratePDF {
- private static String USER_PASS = "Hello123";
- private static String OWNER_PASS = "Owner123";
- public static void main(String[] args) {
- try {
- OutputStream file = new FileOutputStream(new File("D:\\Test.pdf"));
- Document document = new Document();
- PdfWriter writer = PdfWriter.getInstance(document, file);
- writer.setEncryption(USER_PASS.getBytes(), OWNER_PASS.getBytes(),
- PdfWriter.ALLOW_PRINTING, PdfWriter.ENCRYPTION_AES_128);
- document.open();
- document.add(new Paragraph("Hello World, iText"));
- document.add(new Paragraph(new Date().toString()));
- document.close();
- file.close();
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
来源: http://www.phpxs.com/code/1002605/