Java 多文件压缩与解压

1，写多个文件到压缩包

	import org.apache.tools.zip.ZipEntry;
	import org.apache.tools.zip.ZipFile;
	import org.apache.tools.zip.ZipOutputStream;
 
    public static void main(String[] args) {
        //压缩文件对象
        String zipPath = "D:\\download\\files0719.zip";
        //需要压缩的文件
        String filepath1 = "D:\\download\\yyzz.jpeg";
        String filepath2 = "D:\\download\\yyzz1.png";
        List<String> files = new ArrayList<>();
        files.add(filepath1);
        files.add(filepath2);
        
        try (OutputStream os = new BufferedOutputStream(new FileOutputStream(zipPath));
             ZipOutputStream zos = new ZipOutputStream(os)) {
            byte[] buf = new byte[10240];
            int len;
            for (int i = 0; i < files.size(); i++) {
                File file = new File(files.get(i));
                //判断是否是文件数据
                if (!file.isFile()) {
                    continue;
                }
                zos.putNextEntry(new ZipEntry(file.getName()));
                try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file))) {
                    while ((len = bis.read(buf)) > 0) {
                        zos.write(buf, 0, len);
                    }
                }
            }
        } catch (Exception e) {
            log.info("压缩文件{}失败", JSONUtils.toJSONString(files), e);
            throw new BaseException("压缩文件失败", e);
        }
    }
                    

效果图：

2，压缩文件解压

注意：可以用于递归文件的解压，但是不能对压缩文件里面的压缩文件进行解压

   public static void main(String[] args) {
        //解压文件
        String zipFile = "D:\\download\\filesCompress.zip";
        //解压到哪里
        String destination = "D:\\download\\unzip";
        ArrayList<String> dirList = new ArrayList<>();
        try (ZipFile zip = new ZipFile(zipFile, "GBK")) {
            //解压对象下有几个对象
            Enumeration<ZipEntry> en = zip.getEntries();
            byte[] buffer = new byte[8192];
            int length = -1;
            while (en.hasMoreElements()) {
                //获取文件实体
                ZipEntry entry = en.nextElement();
                //如果是目录
                if (entry.isDirectory()) {
                    dirList.add(entry.getName());
                    continue;
                }

                InputStream input = zip.getInputStream(entry);
                File file = new File(destination, entry.getName());
                //如果文件的父级目录不存在，创建目录
                if (!file.getParentFile().exists()) {
                    file.getParentFile().mkdirs();
                }
                try(BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));){
                    while (true) {
                        //向缓存区读取文件数据
                        length = input.read(buffer);
                        if (length == -1) {
                            break;
                        }
                        bos.write(buffer, 0, length);
                    }
                } finally {
                    if (input != null) {
                        try {
                            input.close();
                        } catch (IOException e) {
                            log.error(e.getMessage() == null ? "" : e.getMessage(), e);
                        }
                    }
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
    }
               

效果图：