Java 压缩文件夹的工具类

[TOC]

Java 原生代码，可以对文件夹进行压缩

在 cmd 中可以使用 javac 编译为 class 文件
之后使用 java ZipFileBoot "文件夹路径" "压缩目标.zip"
对文件进行压缩，输出的数字是程序执行的毫秒数，源代码如下

压缩文件夹

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;


public class ZipFileBoot {

    public static void main(String[] args) {
        long s = System.currentTimeMillis();
        
        zipFiles(args[0],args[1]);
        
        long e = System.currentTimeMillis();
        System.out.println(e-s);
    }
    
    public static void zipFiles(String source,String destit) {
        File file = new File( source );
        ZipOutputStream zipOutputStream = null;
        FileOutputStream fileOutputStream = null;
        try {
            fileOutputStream = new FileOutputStream( destit );
            zipOutputStream = new ZipOutputStream( fileOutputStream );
            if (file.isDirectory()) {
                directory( zipOutputStream, file, "" );
            } else {
                zipFile( zipOutputStream, file, "" );
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                zipOutputStream.close();
                fileOutputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
    private static void zipFile(ZipOutputStream zipOutputStream, File file, String parentFileName){
        FileInputStream in = null;
         try {
             ZipEntry zipEntry;
             //如果是一个文件夹，则拼接
             if(file.getName().equals(parentFileName)){
                 zipEntry = new ZipEntry(file.getName() );
             }else{
                 String path = parentFileName.replace(file.getName(), "");
                 zipEntry = new ZipEntry(path+file.getName());
             }
             zipOutputStream.putNextEntry( zipEntry );
             in = new FileInputStream( file);
             int len;
             byte [] buf = new byte[8*1024];
             while ((len = in.read(buf)) != -1){
                 zipOutputStream.write(buf, 0, len);
             }
             zipOutputStream.closeEntry(  );
         } catch (FileNotFoundException e) {
             e.printStackTrace();
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             try{
                 in.close();
             } catch (IOException e) {
                 e.printStackTrace();
             }
         }
     }    
    private static void directory(ZipOutputStream zipOutputStream,File file,String parentFileName){
        File[] files = file.listFiles();
        String parentFileNameTemp = null;
        for (File fileTemp:
                files) {
            parentFileNameTemp =  (parentFileName == null || parentFileName == "") ?fileTemp.getName():parentFileName+"\\"+fileTemp.getName();
            if(fileTemp.isDirectory()){
                directory(zipOutputStream,fileTemp, parentFileNameTemp);
            }else{
                zipFile(zipOutputStream,fileTemp,parentFileNameTemp);
            }
        }
    }
}