Java实现对zip和rar文件的解压缩

通过java实现对zip和rar文件的解压缩 原文地址

说明：RAR格式的压缩包，需要压缩工具版本不高于4.0版本否则会解压失败

//需要的JAR包
<dependency>
    <groupId>org.apache.ant</groupId>
    <artifactId>ant</artifactId>
    <version>1.10.9</version>
</dependency>
<dependency>
    <groupId>com.github.axet</groupId>
    <artifactId>java-unrar</artifactId>
    <version>1.7.0-8</version>
</dependency>

package com.xieyos.test.utils;

import de.innosystec.unrar.Archive;
import de.innosystec.unrar.NativeStorage;
import de.innosystec.unrar.rarfile.FileHeader;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;

import java.io.*;
import java.util.Enumeration;

/**
 * @projectName:Test
 * @packageName:com.xieyos.base.com.xieyos.base
 * @className:ZipAndRarTools
 * @Description:[zip和rar解压缩工具类]
 * @Author: XieYang
 * @CreateDate: 2021-07-08 12:25
 * @blog:[方法具体上行/下行参数文档]
 */
public class ZipAndRarTools {
    /**
     * 解压rar
     *
     * @param sourceRarPath 需要解压的rar文件全路径
     * @param destDirPath   需要解压到的文件目录
     * @throws Exception
     */
    public static void unrar(String sourceRarPath, String destDirPath) throws Exception {
        File sourceRar = new File(sourceRarPath);
        File destDir = new File(destDirPath);
        Archive archive = null;
        FileOutputStream fos = null;
        System.out.println("Starting 开始解压...");
        try {
            archive = new Archive(new NativeStorage(sourceRar));
            FileHeader fh = archive.nextFileHeader();
            int count = 0;
            File destFileName = null;
            while (fh != null) {
                System.out.println((++count) + ") " + fh.getFileNameString());
                String compressFileName = fh.getFileNameString().trim();
                destFileName = new File(destDir.getAbsolutePath() + "/" + compressFileName);
                if (fh.isDirectory()) {
                    if (!destFileName.exists()) {
                        destFileName.mkdirs();
                    }
                    fh = archive.nextFileHeader();
                    continue;
                }
                if (!destFileName.getParentFile().exists()) {
                    destFileName.getParentFile().mkdirs();
                }

                fos = new FileOutputStream(destFileName);
                archive.extractFile(fh, fos);
                fos.close();
                fos = null;
                fh = archive.nextFileHeader();
            }

            archive.close();
            archive = null;
            System.out.println("Finished 解压完成!");
        } catch (Exception e) {
            throw e;
        } finally {
            if (fos != null) {
                try {
                    fos.close();
                    fos = null;
                } catch (Exception e) {
                }
            }
            if (archive != null) {
                try {
                    archive.close();
                    archive = null;
                } catch (Exception e) {
                }
            }
        }
    }

    /**
     * 解压Zip文件
     *
     * @param zipFileName  需要解压缩的文件位置
     * @param descFileName 将文件解压到某个路径
     * @throws IOException
     */
    public static void unZip(String zipFileName, String descFileName) throws IOException {
        System.out.println("文件解压开始...");
        String descFileNames = descFileName;
        if (!descFileNames.endsWith(File.separator)) {
            descFileNames = descFileNames + File.separator;
        }
        try {
            ZipFile zipFile = new ZipFile(zipFileName);
            ZipEntry entry = null;
            String entryName = null;
            String descFileDir = null;
            byte[] buf = new byte[4096];
            int readByte = 0;
            @SuppressWarnings("rawtypes")
            Enumeration enums = zipFile.getEntries();
            while (enums.hasMoreElements()) {
                entry = (ZipEntry) enums.nextElement();
                entryName = entry.getName();
                descFileDir = descFileNames + entryName;
                if (entry.isDirectory()) {
                    new File(descFileDir).mkdir();
                    continue;
                } else {
                    new File(descFileDir).getParentFile().mkdir();
                }
                File file = new File(descFileDir);
                OutputStream os = new FileOutputStream(file);
                InputStream is = zipFile.getInputStream(entry);
                while ((readByte = is.read(buf)) != -1) {
                    os.write(buf, 0, readByte);
                }
                os.close();
                is.close();
            }
            zipFile.close();
            System.out.println("文件解压成功!");
        } catch (Exception e) {
            System.out.println("文件解压失败!");
            e.printStackTrace();
        }

    }

    public static void main(String[] args) throws Exception {
        //ZipAndRarTools.unrar(newFile("D:存放资料的压缩包员工材料.rar"),newFile("D:存放资料的非压缩包"));

        ZipAndRarTools.unZip("D:rarTestjar包和配置文件资源.zip", "D:rarTest");
        ZipAndRarTools.unrar("D:rarTestrar压缩包.rar", "D:rarTest");

    }
}