java 将文件/目录下 zip压缩文件解压并删除压缩包

package filetest;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipException;

import javax.swing.JFileChooser;

import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;

public class FileOperation {

private JFileChooser fChooser;

/**
* 选择目录或文件
*
* @return
*/
public File getChooseFile() {
fChooser = new JFileChooser("F:\\资料文档\\视频资料\\黑马程序员\\Java基础视频");//默认路径
fChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);// 可选文件和目录
fChooser.setDialogTitle("Please choose a dictionary or a file~");
int result = fChooser.showOpenDialog(fChooser);
if (JFileChooser.APPROVE_OPTION == result) {// “确定”
return fChooser.getSelectedFile();
}
return null;
}

public static void main(String[] args) {
FileOperation fo = new FileOperation();
File file = fo.getChooseFile();
if (file != null)
fo.unZipFile(file);
System.exit(0);
}

/**
* 解压目录/文件
*
* @param file
* @throws IOException
* @throws ZipException
*/
public void unZipFile(File file) {
if (file.isDirectory()) {// 目录
File[] files = file.listFiles();
for (File tempFile : files) {
unZipFile(tempFile);
}
} else {// 文件
try {
if (!file.getName().endsWith(".zip"))
return;
ZipFile zipFile = new ZipFile(file.getPath(), "GBK");
Enumeration entries = zipFile.getEntries();
String path = file.getParent(); // 获取相对路径
while (entries.hasMoreElements()) {
ZipEntry zipEntry = (ZipEntry) entries.nextElement();
String fileName = zipEntry.getName();
File newFile = new File(path + "/" + fileName);
createFile(newFile, zipFile, zipEntry);
}
zipFile.close();//关闭压缩文件，否则不能删除压缩包
file.delete();//删除压缩包
} catch (Exception e) {
e.printStackTrace();
}
}
}

/**
* 解压压缩包里每个文件
* @param file
* @param zipFile
* @param zipEntry
*/
public void createFile(File file, ZipFile zipFile, ZipEntry zipEntry) {
if (file.isDirectory()) {
if (!file.exists()) {
file.mkdir();
}
} else {
try {
InputStream is = null;
OutputStream os = null;
is = zipFile.getInputStream(zipEntry);
os = new FileOutputStream(file);
byte[] bytes = new byte[1024];
int len = 0;
while ((len = is.read(bytes, 0, bytes.length)) != -1) {
os.write(bytes, 0, len);
}
is.close();
os.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}