java实现文件目录压缩详解编程语言

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class MyZip {

private static void zip(File zipFile,File sourceFile) throws Exception{

ZipOutputStream out=new ZipOutputStream(new FileOutputStream(zipFile));

process(out,sourceFile,””);

out.close();

}

/**

* 递归形式写入zip文件

* @param zipOutputStream zip输出流

* @param sourceFile 源文件

* @param base 父级路径

* @throws Exception

*/

private static void process(ZipOutputStream zipOutputStream,File sourceFile,String base) throws Exception{

if(sourceFile.isDirectory()){

File[] fl=sourceFile.listFiles();

zipOutputStream.putNextEntry(new ZipEntry(base+sourceFile.getName()+”/”));

base=base+sourceFile.getName()+”/”;

for(int i=0;i
process(zipOutputStream,fl[i],base);

}

}else{

zipOutputStream.putNextEntry(new ZipEntry(base+sourceFile.getName()));

FileInputStream in=new FileInputStream(sourceFile);

zipOutputStream.setComment(“www.mldnjava.cn”);

int b;

while((b=in.read())!=-1){

zipOutputStream.write(b);

}

in.close();

}

}

public static void main(String[] args) throws Exception {

MyZip.zip(new File(“e:” +File.separator + “Hello
Java.zip”),new File( “e:” + File.separator + “HelloJava.java”));

}

}