包含java倒计时60秒代码的词条
如何用JavaScript写一个60秒倒计时的js文件
var countdown = 60;
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function settime(obj) {
if (countdown == 0) {
obj.html("获取验证码");
countdown = 60;
return;
} else {
obj.html(countdown + "s");
countdown--;
}
setTimeout(function () {
settime(obj)
}, 1000)
}
怎么用时间控件做一个60秒的倒计时的程序，求代码 急用啊~~
不添加控件，复制源码即可
Dim WithEvents timer1 As Timer
Dim counter As Integer
Private Sub Form_Load()
counter = 60
Set timer1 = Controls.Add("vb.timer", "Timer1", Me)
With timer1
.Interval = 1000
.Enabled = True
End With
Me.Font.Size = 16
End Sub
Private Sub timer1_timer()
Me.Cls
Me.Print counter
counter = counter - 1
If counter = 0 Then
timer1.Enabled = False
MsgBox "Time is up"
End If
End Sub
java 中 倒计时 一分钟 怎么写？
代码如下:
public class TimeCountDown {
public static void countDown(int seconds) {
System.err.println("倒计时" + seconds + "秒,倒计时开始:");
int i = seconds;
while (i 0) {
System.err.println(i);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
i--;
}
System.err.println(i);
System.err.println("倒计时结束");
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
countDown(60);// 倒计时1分钟
}
}
怎么编写一个倒计时的java的程序？求具体步骤！
基于控制台的话很简单的，我跟你说一下大体思路吧，二话不说先来个for循环，然后输出倒计时的数字，程序睡一秒，在输出倒计时数字，如此循环，简单吧，下面看程序：
public static void main(String[] args) {
for(int i=10;i0;i--){
System.out.print(i+" ");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
System.err.print("爆炸");
}
其他基于网页的还是基于用户界面都可以使用这个思路的
用java编写一个倒计时器代码。
import java.awt.BorderLayout;import java.awt.Container;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JTextField;public class TimerDemo extends JFrame implements ActionListener { private static final long serialVersionUID = 201306211111L; private JTextField screen = new JTextField("0"); private JButton start = new JButton("开始"); private JButton reset = new JButton("重置"); private JPanel panel = new JPanel(); private boolean isRunning; private int time; private int timeBetween; public TimerDemo(int timeBetween) { super("计时器"); this.timeBetween = timeBetween; try { init(); } catch (Exception e) { e.printStackTrace(); } } public TimerDemo() { super("计时器"); this.timeBetween = 100; try { init(); } catch (Exception e) { e.printStackTrace(); } } private void init() { panel.setLayout(new GridLayout()); panel.add(start); panel.add(reset); start.addActionListener(this); reset.addActionListener(this); screen.setFont(new Font("幼圆", Font.BOLD, 60)); screen.setHorizontalAlignment(JTextField.CENTER); screen.setEditable(false); Container c = getContentPane(); c.setLayout(new BorderLayout()); c.add(panel, BorderLayout.SOUTH); c.add(screen, BorderLayout.CENTER); this.setSize(200, 150); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setResizable(false); this.setLocationRelativeTo(null); this.setVisible(true); } public static void main(String[] args) { new TimerDemo(1);// 设定 1ms/次 // new TimerDemo(); } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == start) { if (start.getText().equals("开始")) { start.setText("暂停"); isRunning = true; } else if (start.getText().equals("暂停")) { start.setText("开始"); isRunning = false; } } if (e.getSource() == reset) { start.setText("开始"); screen.setText("0"); isRunning = false; time = 0; } new Thread(new TimeZone()).start(); } class TimeZone implements Runnable { @Override public void run() { while (isRunning) { time++; if (time = Integer.MAX_VALUE) { screen.setText("ERROR"); JOptionPane.showMessageDialog(null, "ERROR"); isRunning = false; } screen.setText(String.valueOf(time)); try { Thread.sleep(timeBetween); } catch (Exception e) { e.printStackTrace(); } } } }}
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