Java 简单计时器

Java  实现的一个简单的计时器，很丑陋，但是基本功能还是有的。。。

package timer;


import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Date;


import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import java.awt.Font;


public class MainFrame {


	private JFrame frame;
	private JTextField date_text;
	private JTextField hour_text;
	private JTextField minute_text;
	private JTextField second_text;
	JButton stop_button;
	JButton start_button;
	boolean isSwi = false;
	private int second = 1;
	private int minute = 1;
	private int hour = 1;
	private JLabel lblNewLabel;
	private JLabel label;




	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					MainFrame window = new MainFrame();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}


	/**
	 * Create the application.
	 */
	public MainFrame() {
		initialize();
	}


	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setTitle("简单计时器");
		ImageIcon icon = new ImageIcon("img/jsq.png");	 
		frame.setIconImage(icon.getImage());
		frame.getContentPane().setFont(new Font("宋体", Font.PLAIN, 29));
		frame.setBounds(100, 100, 632, 414);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		date_text = new JTextField();
		date_text.setBounds(206, 38, 203, 38);
		frame.getContentPane().add(date_text);
		date_text.setColumns(10);
		TimeThread timeThread = new TimeThread();
		timeThread.start();
		
		hour_text = new JTextField();
		hour_text.setBounds(73, 157, 100, 57);
		frame.getContentPane().add(hour_text);
		hour_text.setColumns(10);
		
		minute_text = new JTextField();
		minute_text.setBounds(266, 157, 100, 57);
		frame.getContentPane().add(minute_text);
		minute_text.setColumns(10);
		
		second_text = new JTextField();
		second_text.setBounds(469, 157, 100, 57);
		frame.getContentPane().add(second_text);
		second_text.setColumns(10);
		
		start_button = new JButton("计时开始");
		start_button.setBounds(143, 281, 113, 49);
		frame.getContentPane().add(start_button);
		start_button.addActionListener(new BtListener());
		
		stop_button = new JButton("暂停计时");
		stop_button.setBounds(368, 281, 113, 49);
		frame.getContentPane().add(stop_button);
		
		lblNewLabel = new JLabel(":");
		lblNewLabel.setFont(new Font("宋体", Font.PLAIN, 29));
		lblNewLabel.setBounds(206, 157, 45, 57);
		frame.getContentPane().add(lblNewLabel);
		
		label = new JLabel(":");
		label.setFont(new Font("宋体", Font.PLAIN, 29));
		label.setBounds(402, 157, 38, 57);
		frame.getContentPane().add(label);
		stop_button.addActionListener(new StopListener());
	}
	
	public class BtListener implements ActionListener {


		@Override
		public void actionPerformed(ActionEvent e) {
			String res = e.getActionCommand();
			
			if(res.equals("计时开始")) {
				isSwi = true;
				start_button.setText("计时结束");
				DateThread dateThread = new DateThread();
				dateThread.start();
			}else {
				isSwi = false;
				start_button.setText("计时开始");
				second = 0;
				hour = 0;
				minute = 0;
				second_text.setText("" + second);
				minute_text.setText("" + minute);
				hour_text.setText("" + hour);
			}
		}
	}
	
	public class StopListener implements ActionListener {


		@Override
		public void actionPerformed(ActionEvent e) {
			String res = e.getActionCommand();
			if(res.equals("暂停计时")) {
				stop_button.setText("继续计时");
				isSwi = false;
			}else {
				stop_button.setText("暂停计时");
				isSwi = true;
				DateThread dateThread = new DateThread();
				dateThread.start();


			}
		}
		
	}
	
	public class DateThread extends Thread {
		
		public void run() {


			while(isSwi) {
				try {
					Thread.sleep(1000);
				} catch (InterruptedException e1) {
					e1.printStackTrace();
				}
				second_text.setText("" + second++);
				if(second_text.getText().equals("60")) {
					second = 0;
					minute_text.setText("" + minute ++);
					second_text.setText("" + second++);
					if(minute_text.getText().equals("60")) {
						second = 0;
						minute = 0;
						hour_text.setText("" + hour++);
					}
				}
			}		
		}
	}
	
	public class TimeThread extends Thread {
		
		public void run() {


			while(true) {
				date_text.setText("              " + new Date().toLocaleString());
				try {
					Thread.sleep(1000);
				} catch (InterruptedException e1) {
					e1.printStackTrace();
				}
			}		
		}
	}
}