压缩zip文件和解压zip文件(设置压缩密码)

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说明：注意引入的依赖！！！！ 否则一直报错 很不容易找到的错误！！！

import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.exception.ZipException;

一、压缩文件
压缩前效果：

压缩后效果

解压缩输入密码

@Test
   public void createZipFile(){
        String password = "123456";  // 设置压缩密码   解压的时候需要输入该密码进行解压
        String filePath = "D:\\app\\SFiles\\toprs\\createfile\\test\\";
        String sourceFileName = "20200319_6666000001060017_div.csv";
        File sourceFile = new File(filePath+sourceFileName);
        String zipFileName = sourceFileName.replace(".csv",".zip");
        log.info("开始压缩文件,压缩后的文件名为：{}",zipFileName);
       ZipFile zipFile;
       try {
           zipFile = new ZipFile(filePath+zipFileName);
           File deleteFile = zipFile.getFile();
           if (deleteFile.exists()) {
               deleteFile.delete();
           }
           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(password);
           zipFile.addFile(sourceFile, parameters);
           log.info("文件{}压缩成功",sourceFileName);
       }catch (Exception e){
           log.info("压缩文件：{}失败",sourceFileName);
       }

   }

二、解压文件

 public void unzip(String zipFileName, String unPath, String password) throws ZipException {
        try {
            ZipFile zipFile = new ZipFile(zipFileName);
            zipFile.setFileNameCharset("GBK");
            if (!zipFile.isValidZipFile()) {
                throw new ZipException("压缩文件不合法,可能被损坏");
            }
            File destDir = new File(unPath);
            if (destDir.isDirectory() && !destDir.exists()) {
                destDir.mkdir();
            }
            if (zipFile.isEncrypted()) {
                zipFile.setPassword(password.toCharArray());
            }
            zipFile.extractAll(unPath);
        } catch (Exception e) {
            throw new BizException("解压zip文件失败");
        }
    }