说明文档

Commons Compress - Commons Compress User Guide

commons-compress 支持的压缩格式如下：

gzip, bzip2, xz, lzma, Pack200, DEFLATE, Brotli, DEFLATE64, ZStandard, Z

支持的归档格式如下：

7z, ar, arj, cpio, dump, tar, zip

示例：压缩解压 zip

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
 
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.apache.commons.compress.utils.IOUtils;
 
public class ZipTest
{
   public static void main(String[] args) throws Exception
   {
      zip();
      unZip();
   }
 
   public static void zip() throws Exception
   {
      File zipFile = new File("test.zip");
      ZipArchiveOutputStream stream = new ZipArchiveOutputStream(zipFile);
      File[] files = new File("src/com/gujin/compress").listFiles();
      for (File file : files)
      {
         InputStream in = new FileInputStream(file);
         ZipArchiveEntry entry = new ZipArchiveEntry(file, file.getName());
         // 添加一个条目
         stream.putArchiveEntry(entry);
         IOUtils.copy(in, stream);
         // 结束
         stream.closeArchiveEntry();
         in.close();
      }
      stream.finish();
      stream.close();
   }
 
   public static void unZip() throws Exception
   {
      InputStream stream = new FileInputStream("test.zip");
      ZipArchiveInputStream inputStream = new ZipArchiveInputStream(stream);
      ZipArchiveEntry entry = null;
      while ((entry = inputStream.getNextZipEntry()) != null)
      {
         System.out.println(entry.getName());
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
         //读取内容
         IOUtils.copy(inputStream, outputStream);
         System.out.println(outputStream.toString());
      }
      inputStream.close();
      stream.close();
   }