软件安装界面（java swing简单例子）

只实现了文件选取，以及第一个到第二个向导界面的跳转功能，暂作备份。

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;


public class Entrance implements ActionListener {
	
	private JFrame firstFram,secondFram;
	private JPanel firstPanel;
	private JPanel secondPanel;
	private JFileChooser awPathCh = new JFileChooser();
	private JTextField awPathText;
	
	private static String awFile;
	
	private void firstFram(){
		firstFram = new JFrame();
		firstFram.setSize(500,400);
		firstFram.setDefaultCloseOperation(3);
		firstFram.setResizable(false);
		
		firstPanel = new JPanel();
		firstPanel.setBackground(new Color(90,90,146));
		firstPanel.setLayout(null);
		
		awPathText = new JTextField();
		awPathText.setSize(300,25);
		awPathText.setBounds(160, 260, 200, 25);
		
		JButton awButton,next;
		awButton = new JButton("File");
		awButton.setName("awButton");
		awButton.setBounds(360, 260, 60, 25);
		awButton.addActionListener(this);
		
		next = new JButton("Next");
		next.setName("next1");
		next.setBounds(250, 320, 75, 26);
		next.addActionListener(this);
		
		firstPanel.add(awPathText);
		firstPanel.add(awButton);
		firstPanel.add(next);
		firstFram.add(firstPanel);
		firstFram.setVisible(true);
	}
	
	private void secondFram(){
		secondFram = new JFrame();
		secondFram.setSize(500,400);
		secondFram.setDefaultCloseOperation(3);
		secondFram.setResizable(false);
		
		secondPanel = new JPanel();
		secondPanel.setBackground(new Color(0,0,0));
		secondPanel.setLayout(null);
		
		JButton programButton,back,next;
		programButton = new JButton("File");
		programButton.setName("awPathButton");
		programButton.setBounds(360, 260, 60, 25);
		programButton.addActionListener(this);
		
		back = new JButton("Back");
		back.setName("back2");
		back.setBounds(200, 320, 75, 26);
		back.addActionListener(this);
		
		next = new JButton("Next");
		next.setName("next2");
		next.setBounds(300, 320, 75, 26);
		next.addActionListener(this);
		
		secondPanel.add(programButton);
		secondPanel.add(back);
		secondPanel.add(next);
		
		secondFram.add(secondPanel);
		secondFram.setVisible(true);
	}
	
	public static void main(String[] args) {
		Entrance entrance = new Entrance();
		entrance.firstFram();
	}

	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		JButton bt = (JButton) e.getSource();
		if (bt.getName() == "awButton") {
			int showOpenDialog = awPathCh.showOpenDialog(firstPanel);
			File selectedFile = awPathCh.getSelectedFile();
			if(null != selectedFile && showOpenDialog == JFileChooser.APPROVE_OPTION){
				awPathText.setText(selectedFile.getPath());
				awFile = awPathText.getText();
			}
		}else if(bt.getName() == "next1" && awPathText.getText().length() > 4){
			firstFram.removeAll();
			firstFram.dispose();
			secondFram();
		}else if(bt.getName() == "back2"){
			secondFram.removeAll();
			secondFram.dispose();
			firstFram();
			awPathText.setText(awFile);
		}
	}
}