Question

被压缩为gzip格式的二进制数组如何解压

Answer 1

直接编译运行！！！
不知道你是要查看压缩文件还是要解压文件，所以发上来两个。
第一个可以查看各个压缩项目；
第二个可以解压文件。
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
class ZipTest {
public static void main(String[] args) {
ZipTestFrame frame = new ZipTestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
class ZipTestFrame extends JFrame {

private JComboBox fileCombo;
private JTextArea fileText;
private String zipname;

public ZipTestFrame() {

setTitle("ZipTest");
setSize(400,300);

JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("File");

JMenuItem openItem = new JMenuItem("Open");
menu.add(openItem);
openItem.addActionListener(new OpenAction());

JMenuItem exitItem = new JMenuItem("Exit");
menu.add(exitItem);
exitItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
System.exit(0);
}
});

menuBar.add(menu);
setJMenuBar(menuBar);

fileText = new JTextArea();
fileCombo = new JComboBox();
fileCombo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
loadZipFile((String)fileCombo.getSelectedItem());
}
});
add(fileCombo, BorderLayout.SOUTH);
add(new JScrollPane(fileText), BorderLayout.CENTER);
}

public class OpenAction implements ActionListener {
public void actionPerformed(ActionEvent event) {
JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(new File("."));
ExtensionFileFilter filter = new ExtensionFileFilter();
filter.addExtension(".zip");
filter.addExtension(".jar");
filter.setDescription("ZIP archives");
chooser.setFileFilter(filter);
int r = chooser.showOpenDialog(ZipTestFrame.this);
if(r == JFileChooser.APPROVE_OPTION) {
zipname = chooser.getSelectedFile().getPath();
scanZipFile();
}
}
}