apache.commons.compress 压缩，解压详解编程语言

package my.test; 
 
import java.io.BufferedInputStream; 
import java.io.BufferedOutputStream; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.OutputStream; 
import java.util.ArrayList; 
import java.util.HashMap; 
import java.util.List; 
import java.util.Map; 
 
import org.apache.commons.compress.archivers.tar.TarArchiveEntry; 
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream; 
import org.apache.commons.compress.archivers.zip.Zip64Mode; 
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.compressors.bzip2.BZip2CompressorInputStream; 
import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream; 
import org.apache.commons.io.FilenameUtils; 
import org.apache.commons.io.IOUtils; 
import org.apache.commons.lang3.StringUtils; 
 
public class FileUtil { 
 
    public static int BUFFER_SIZE = 2048; 
     public static List<String> unZip(File zipfile, String destDir) 
            throws Exception { 
        if (StringUtils.isBlank(destDir)) { 
            destDir = zipfile.getParent(); 
        } 
        destDir = destDir.endsWith(File.separator) ? destDir : destDir 
                + File.separator; 
        ZipArchiveInputStream is = null; 
        List<String> fileNames = new ArrayList<String>(); 
 
        try { 
            is = new ZipArchiveInputStream(new BufferedInputStream( 
                    new FileInputStream(zipfile), BUFFER_SIZE)); 
            ZipArchiveEntry entry = null; 
            while ((entry = is.getNextZipEntry()) != null) { 
                fileNames.add(entry.getName()); 
                if (entry.isDirectory()) { 
                    File directory = new File(destDir, entry.getName()); 
                    directory.mkdirs(); 
                } else { 
                    OutputStream os = null; 
                    try { 
                        os = new BufferedOutputStream(new FileOutputStream( 
                                new File(destDir, entry.getName())), 
                                BUFFER_SIZE); 
                        IOUtils.copy(is, os); 
                    } finally { 
                        IOUtils.closeQuietly(os); 
                    } 
                } 
            } 
        } catch (Exception e) { 
            e.printStackTrace(); 
            throw e; 
        } finally { 
            IOUtils.closeQuietly(is); 
        } 
 
        return fileNames; 
    } 
 
    public static List<String> unZip(String zipfile, String destDir) 
            throws Exception { 
        File zipFile = new File(zipfile); 
        return unZip(zipFile, destDir); 
    } 
 
     public static void compressFiles2Zip(File[] files, String zipFilePath) { 
        if (files != null && files.length > 0) { 
            ZipArchiveOutputStream zaos = null; 
            File f = new File(zipFilePath); 
            if(f.isDirectory()) 
            { 
                System.out.println("isDirectory"); 
                return; 
            } 
            if(f.exists()) 
            { 
                f.delete(); 
            } 
            try { 
                File zipFile = new File(zipFilePath); 
                zaos = new ZipArchiveOutputStream(zipFile); 
                zaos.setUseZip64(Zip64Mode.AsNeeded); 
                int index = 0; 
                for (File file : files) { 
                    if (file != null) { 
                        ZipArchiveEntry zipArchiveEntry = new ZipArchiveEntry( 
                                file, new File(file.getParent()).getName()+File.separator+file.getName()); 
                        zaos.putArchiveEntry(zipArchiveEntry); 
                        InputStream is = null; 
                        try { 
                            is = new BufferedInputStream(new FileInputStream( 
                                    file)); 
                            byte[] buffer = new byte[1024 * 5]; 
                            int len = -1; 
                            while ((len = is.read(buffer)) != -1) { 
                                // 把缓冲区的字节写入到ZipArchiveEntry 
                                zaos.write(buffer, 0, len); 
                            } 
                            // Writes all necessary data for this entry. 
                            zaos.closeArchiveEntry(); 
                        } catch (Exception e) { 
                            throw new RuntimeException(e); 
                        } finally { 
                            if (is != null) 
                                is.close(); 
                        } 
 
                    } 
 
                } 
 
                zaos.finish(); 
 
            } catch (Exception e) { 
 
                throw new RuntimeException(e); 
 
            } finally { 
 
                try { 
 
                    if (zaos != null) { 
 
                        zaos.close(); 
 
                    } 
 
                } catch (IOException e) { 
 
                    throw new RuntimeException(e); 
 
                } 
 
            } 
 
        } 
 
    } 
 
    public static void main(String[] args) throws Exception { 
 
 
        String f  = "C:/20161202/notepad_cache/test/notepad_cache - 副本"; 
        File file = new File(f); 
  
        File[] files = new File[100]; 
        int index = 0; 
        for(String ff : file.list()) 
        { 
            files[index++] = new File(f+File.separator+ff); 
              
        } 
        compressFiles2Zip(files, f+".zip"); 
        /*         
        String f  = "C:/20161202/notepad_cache/test/notepad_cache - 副本"; 
        unZip(f+"1.zip", "C:/1202/notepad_cache/test/");*/ 
    } 
     
     
                
}