我們可以使用itext的PdfWriter類的setEncryption方法來為pdf文件設置密碼
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(); } } }
Tags: PdfWriter import document quot java Paragraph
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