`itext 隱藏pdf工具欄 菜單欄

package example.iText;

import java.io.FileOutputStream;

import com.itextpdf.text.Document;
import com.itextpdf.text.Rectangle;

import com.itextpdf.text.pdf.PdfCopy;
import com.itextpdf.text.pdf.PdfEncryptor;
import com.itextpdf.text.pdf.PdfImportedPage;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfWriter;

public class PdfHandle {
	public static void hideBars(String inputFile, String outFile) {
		// 複製一個PDF
		try {

			// 創建一個reader
			PdfReader reader = new PdfReader(inputFile);
			
			reader.setViewerPreferences(PdfWriter.HideMenubar
					| PdfWriter.HideToolbar);
			reader.setViewerPreferences(PdfWriter.HideWindowUI);

//設置權限
			PdfEncryptor.encrypt(reader, new FileOutputStream(outFile), new String("hellogtm").getBytes(),
					new String("hellogtm123").getBytes(), PdfWriter.ALLOW_ASSEMBLY | PdfWriter.ALLOW_FILL_IN
							| PdfWriter.ALLOW_SCREENREADERS, false);
			
			
		} catch (Exception de) {
			de.printStackTrace();
		}
	}


	public static void test() {
		PdfHandle pp = new PdfHandle();
		pp.hideBars("d:\\\\1.pdf", "d:\\2.pdf");
		//pp.notAllowPrint("d:\\2.pdf", "d:\\3.pdf");
		System.out.println("pdf文件轉換完畢！");
	}
}

所需庫見附件