[java]代码库
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
 * 倒计时
 * 
 */
public class Counter {
	private JFrame frame;
	private JLabel jl1;
	private JLabel jl2;
	private JLabel jl3;
	public static void main(String[] args) {
		new Counter().getTime();
	}
	/* 倒计时的主要代码块 */
	private void getTime() {
		long time = 1 * 36000; // 自定义倒计时时间
		long hour = 0;
		long minute = 0;
		long seconds = 0;
		while (time >= 0) {
			hour = time / 3600;
			minute = (time - hour * 3600) / 60;
			seconds = time - hour * 3600 - minute * 60;
			jl1.setText(hour + "时");
			jl2.setText(minute + "分");
			jl3.setText(seconds + "秒");
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			time--;
		}
	}
	/* 构造 实现界面的开发 GUI */
	public Counter() {
		frame = new JFrame("倒计时");
		jl1 = new JLabel();
		jl2 = new JLabel();
		jl3 = new JLabel();
		init();
	}
	/* 组件的装配 */
	private void init() {
		JPanel jp = new JPanel();
		jp.add(jl1);
		jp.add(jl2);
		jp.add(jl3);
		frame.add(jp);
		frame.setVisible(true);
		frame.setLocation(300, 400);
		frame.setSize(300, 200);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
}
[代码运行效果截图]
中级程序员
by: 爱做饭的程序员 发表于:2016-11-27 17:05:47 顶(0) | 踩(0) 回复
不能自定义 很尴尬
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