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893天前package Day0822; |
import java.awt.event.*; |
import javax.swing.*; |
import java.awt.*; |
public class HomeWork implements ActionListener,Runnable{ |
private int x = 0; |
private int y = 0; |
private int z = 0; |
private int num = 0; |
private JFrame jf; |
private JPanel jp; |
private JButton jb; |
private JButton jb1; |
private JButton jb2; |
private JTextField jtf; |
private boolean flag = true; |
private Thread thread = new Thread(this); |
public void init(){ |
jf = new JFrame("*********秒表*********"); |
jp = new JPanel(); |
jb = new JButton("开始"); |
jb1 = new JButton("暂停"); |
jb2 = new JButton("重置"); |
jtf = new JTextField(9); |
|
jf.setSize(300,150); |
jf.setLocationRelativeTo(null); |
jf.setLayout(new FlowLayout()); |
jf.setResizable(false); |
|
jtf.setFont(new Font("楷体",1,50)); |
jtf.setHorizontalAlignment(JTextField.CENTER); |
jtf.setText(setTime()); |
|
jb.addActionListener(this); |
jb1.addActionListener(this); |
jb2.addActionListener(this); |
|
jf.add(jtf); |
jf.add(jb); |
jf.add(jb1); |
jf.add(jb2); |
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
jf.setVisible(true); |
} |
|
public void actionPerformed(ActionEvent e){ |
if(e.getSource().equals(jb)){ |
flag = true; |
new Thread(this).start(); |
} |
if(e.getSource().equals(jb1)){ |
flag = false; |
} |
if(e.getSource().equals(jb2)){ |
flag = false; //线程终止 |
num = 0; |
x = 0; |
y = 0; |
z = 0; |
jtf.setText("0:0:0"); |
|
} |
} |
public void run(){ |
while(flag){ |
try { |
Thread.sleep(1000); |
num = num+1; |
z=(num)%60; |
y = (num/60)%60; |
x = (num/3600)%24; |
} catch (InterruptedException e) { |
e.printStackTrace(); |
}finally{ |
jtf.setText(setTime()); |
} |
} |
} |
|
public String setTime(){ |
return x+":"+y+":"+z; |
} |
public String setTime1(){ |
return "0"+x+":0"+y+":0"+z; |
} |
public static void main(String[] arge){ |
HomeWork hw = new HomeWork(); |
hw.init(); |
} |
} |
