【问题标题】:Folder Encryption Not Working (Demo Included)文件夹加密不起作用(包括演示)
【发布时间】:2021-06-19 15:32:18
【问题描述】:

这个简单的文件夹加密/压缩失败。该文件夹仅包含一个子文件夹和文本文件,但加密返回 false。知道为什么吗?

import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.AesKeyStrength;
import net.lingala.zip4j.model.enums.CompressionLevel;
import net.lingala.zip4j.model.enums.CompressionMethod;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;

public class Demo_ZipEncryptFolderOnly {
    public static void main(String[] args) throws ZipException {
        ZipParameters zipParameters = new ZipParameters();
        zipParameters.setEncryptFiles(true);
        zipParameters.setCompressionMethod(CompressionMethod.DEFLATE);
        zipParameters.setCompressionLevel(CompressionLevel.NORMAL);
        zipParameters.setEncryptionMethod(EncryptionMethod.AES);
        zipParameters.setAesKeyStrength(AesKeyStrength.KEY_STRENGTH_256);
        ZipFile zipFile = new ZipFile("C:\\Users\\me\\Desktop\\Folder.zip", "password".toCharArray());
        zipFile.addFolder(new File("C:\\Users\\me\\Desktop\\Folder"));
        System.out.println("Encrypted: "+zipFile.isEncrypted());
    }
}

Maven:

<dependency>
     <groupId>net.lingala.zip4j</groupId>
     <artifactId>zip4j</artifactId>
     <version>2.8.0</version>
</dependency>

要加密的文件夹:

【问题讨论】:

    标签: java encryption zip zip4j


    【解决方案1】:

    您忘记将zipParameters 作为zipFile.addFolder() 调用中的第二个参数传递。如果解决了这个问题,它就可以工作(同样zip4j docs):

    zipFile.addFolder(new File("C:\\Users\\me\\Desktop\\Folder"), zipParameters);
    

    【讨论】:

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