Java文件压缩代码

importjava.io.*;

importjava.nio.charset.Charset;

importjava.util.zip.ZipEntry;

importjava.util.zip.ZipInputStream;

public classzipDecompresssion {

public static voidmain(String[] args){

longstartTime=System.currentTimeMillis();

try{

ZipInputStream Zin=newZipInputStream(newFileInputStream("D:\\study\\个人文件.zip"), Charset.forName("GBK"));//输入源zip路径

BufferedInputStream Bin=newBufferedInputStream(Zin);

String Parent="D:\\study";//输出路径（文件夹目录）

File Fout=null;

ZipEntry entry;

try{

try{

System.out.println("entity:"+Zin.getNextEntry());

while((entry = Zin.getNextEntry())!=null){

Fout=newFile(Parent,entry.getName());

if(!Fout.exists()){

(newFile(Fout.getParent())).mkdirs();

}

FileOutputStream out=newFileOutputStream(Fout);

BufferedOutputStream Bout=newBufferedOutputStream(out);

intb;

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

Bout.write(b);

}

Bout.close();

out.close();

System.out.println(Fout+"解压成功");

}

}catch(IOException e) {

e.printStackTrace();

}

Bin.close();

Zin.close();

}catch(IOException e) {

//TODO Auto-generated catch block

e.printStackTrace();

}

}catch(FileNotFoundException e) {

//TODO Auto-generated catch block

e.printStackTrace();

}

longendTime=System.currentTimeMillis();

System.out.println("耗费时间： "+(endTime-startTime)+" ms");

}

}