Java/com/study/demo11/EventStatistics.java

package com.study.demo11;

import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Timer;
import java.util.TimerTask;

public class EventStatistics extends Frame {
    private Button clickButton;
    private Label countLabel;
    private Label periodLabel;
    private int clickCount = 0;
    private DateTimeFormatter formatter;

    public EventStatistics() {
        super("事件统计器");
        formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

        clickButton = new Button("点击");
        countLabel = new Label("点击次数：0", Label.CENTER);
        periodLabel = new Label("统计周期：5秒", Label.CENTER);

        clickButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                incrementClickCount();
            }
        });

        setLayout(new FlowLayout());
        add(clickButton);
        add(countLabel);
        add(periodLabel);

        setSize(300, 150);
        setLocationRelativeTo(null);
        setVisible(true);

        startStatisticsTimer();
    }

    private void incrementClickCount() {
        clickCount++;
        countLabel.setText("点击次数：" + clickCount);
    }

    private void startStatisticsTimer() {
        new Timer().scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
                LocalDateTime now = LocalDateTime.now();
                String statistics = "过去 5 秒内点击次数：" + clickCount;
                System.out.println(statistics);
                System.out.println("统计时间点：" + now.format(formatter));
                clickCount = 0;
                countLabel.setText("点击次数：0");
            }
        }, 5000, 5000);
    }

    public static void main(String[] args) {
        new EventStatistics();
    }
}