java生成PDF，java加密压缩文件

package com.java.pdfzip; import java.io.File; import java.io.FileOutputStream; import net.lingala.zip4j.core.ZipFile; import net.lingala.zip4j.model.ZipParameters; import net.lingala.zip4j.util.Zip4jConstants; import com.lowagie.text.Document; import com.lowagie.text.Font; import com.lowagie.text.PageSize; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.BaseFont; import com.lowagie.text.pdf.PdfWriter; public class PdfUtilTest { Document document = new Document();// 建立一个Document对象 private static Font headfont;// 设置字体大小 private static Font keyfont;// 设置字体大小 static { BaseFont bfChinese; try { bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED); headfont = new Font(bfChinese, 18, Font.BOLD);// 设置字体大小 keyfont = new Font(bfChinese, 12, Font.NORMAL);// 设置字体大小 } catch (Exception e) { e.printStackTrace(); } } public PdfUtilTest(){} public PdfUtilTest(File file) { document.setPageSize(PageSize.A4);// 设置页面大小 try { PdfWriter.getInstance(document, new FileOutputStream(file)); document.open(); } catch (Exception e) { e.printStackTrace(); } } private void generatePDF() { try { Paragraph paragraph = new Paragraph("测试标题", headfont); document.add(paragraph); paragraph = null; for (int i = 0; i < 10; i++) { paragraph = new Paragraph("测试正文内容，第 "+i+" 条..........", keyfont); document.add(paragraph); paragraph = null; } } catch (Exception e) { e.printStackTrace(); } finally { if (null != document) { document.close(); document = null; } } } /** * @功能 将数据导出PDF * @param exportPath pdf文件存放路径 */ public String exportPDF(String exportPath,String filename) { File file = null; PdfUtilTest pdfutil = null; String zippath = null; try { zippath = exportPath+"\\"+filename+".zip"; //生成PDF文件 file = new File(exportPath+"\\"+filename+".pdf"); file.createNewFile(); pdfutil = new PdfUtilTest(file); pdfutil.generatePDF(); //压缩加密 ZipFile zipFile = new ZipFile(zippath); ZipParameters parameters = new ZipParameters(); parameters.setCompressionMethod(Zip4jConstants.COMP_DEFLATE); parameters.setCompressionLevel(Zip4jConstants.DEFLATE_LEVEL_NORMAL); parameters.setEncryptFiles(true); parameters.setEncryptionMethod(Zip4jConstants.ENC_METHOD_AES); parameters.setAesKeyStrength(Zip4jConstants.AES_STRENGTH_256); parameters.setPassword("laiyakannicaijiubuxingleninengcaidedao");//压缩密码 zipFile.addFile(file, parameters); } catch (Exception e) { e.printStackTrace(); } finally { pdfutil = null; file = null; if(null != document){ document.close(); } } return zippath; } public static void main(String[] args) throws Exception { PdfUtilTest util = new PdfUtilTest(); util.exportPDF("C:\\","aaaa");//存放路径 文件名 } }