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2022-11-26 ab849f796bdc17236a95ea5fe5c166fb8f24a75c

 src/main/java/com/lf/server/helper/Zip4jHelper.java

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package com.lf.server.helper;

import com.google.common.base.Strings;
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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.File;
import java.nio.charset.Charset;

/**
 * Zip4j帮助类
 * @author WWW
 */
public class Zip4jHelper {
    private final static Log log = LogFactory.getLog(Zip4jHelper.class);

    /**
     * Zip压缩
     *
     * @param zipFilePath zip文件
     * @param sourcePath  æºè·¯å¾„
     * @param password    å¯†ç 
     * @return æˆåŠŸæ˜¯å¦
     */
    public static boolean zip(String zipFilePath, String sourcePath, String password) {
        try {
            ZipFile zip = new ZipFile(zipFilePath);
            zip.setCharset(Charset.forName("UTF-8"));

            File f = zip.getFile();
            if (!f.getParentFile().exists()) {
                f.getParentFile().mkdirs();
            }
            if (f.exists()) {
                f.delete();
            }

            // è®¾ç½®åŽ‹ç¼©æ–‡ä»¶å‚æ•°
            ZipParameters params = new ZipParameters();
            // åŽ‹ç¼©æ–¹å¼
            params.setCompressionMethod(CompressionMethod.DEFLATE);
            // åŽ‹ç¼©çº§åˆ«
            params.setCompressionLevel(CompressionLevel.NORMAL);
            // æ˜¯å¦è®¾ç½®åŠ å¯†æ–‡ä»¶
            params.setEncryptFiles(true);
            // è®¾ç½®AES加密强度：KEY_STRENGTH_256
            params.setAesKeyStrength(AesKeyStrength.KEY_STRENGTH_128);
            // è®¾ç½®åŠ å¯†ç®—法
            params.setEncryptionMethod(EncryptionMethod.AES);
            // è®¾ç½®å¯†ç 
            if (!Strings.isNullOrEmpty(password)) {
                zip.setPassword(password.toCharArray());
            }

            // è¦æ‰“包的文件或文件夹
            File currentFile = new File(sourcePath);
            if (currentFile.isDirectory()) {
                zip.addFolder(currentFile, params);
            } else {
                zip.addFile(currentFile, params);
            }

            return true;
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            return false;
        }
    }

    private static void addZipFile(ZipFile zip, ZipParameters params, File file) throws ZipException {
        if (file.isDirectory()) {
            File[] files = file.listFiles();
            for (File f : files) {
                addZipFile(zip, params, f);
            }
        } else {
            zip.addFile(file, params);
        }
    }

    /**
     * Zip解压
     *
     * @param zipFile  zip文件
     * @param toPath   è§£åŽ‹è·¯å¾„
     * @param password å¯†ç 
     * @return æˆåŠŸæ˜¯/否
     */
    public static boolean unzip(String zipFile, String toPath, String password) {
        try {
            // ç”Ÿæˆçš„压缩文件
            ZipFile zip = new ZipFile(zipFile);

            // è®¾ç½®å¯†ç 
            if (!StringHelper.isEmpty(password)) {
                zip.setPassword(password.toCharArray());
            }

            // è§£åŽ‹ç¼©æ‰€æœ‰æ–‡ä»¶ä»¥åŠæ–‡ä»¶å¤¹
            zip.extractAll(toPath);

            return true;
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            return false;
        }
    }
}