package com.java;

import net.lingala.zip4j.core.ZipFile;

import net.lingala.zip4j.model.ZipParameters;

import net.lingala.zip4j.util.Zip4jConstants;

import java.io.File;

import java.util.ArrayList;

/**

* 说明:使用zip4j进行对zip文件进行加解密

* @Author: mzy

* @Date: 2019-4-29 17:26

*/

public class ZipEncryption {

//加密

public static void encryption() throws Exception {

ZipFile zipFile = new ZipFile("C:\\Users\\hasee\\Desktop\\111.zip");

ArrayList filesToAdd = new ArrayList();

filesToAdd.add(new File("c:\\1.log"));

filesToAdd.add(new File("d:\\1.pdf"));

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("123");

zipFile.addFiles(filesToAdd, parameters);

}

//解密

public static void Decrypt() throws Exception {

ZipFile zipFile = new ZipFile("C:\\Users\\hasee\\Desktop\\111.zip");

if (zipFile.isEncrypted()) {

zipFile.setPassword("123");

}

zipFile.extractAll("C:\\Users\\hasee\\Desktop\\11111\\");

}

public static void main(String[] args) throws Exception {

encryption();

Decrypt();

}

}