import java.util.Calendar;
import java.util.Date;
import java.util.Random;

public class CounterLimit {
    // 記錄上次統(tǒng)計(jì)時(shí)間
    static Date lastDate = new Date();
    // 初始化值
    static int counter = 0;
    // 限流方法
    static boolean countLimit() {
        // 獲取當(dāng)前時(shí)間
        Date now = new Date();
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(now);
        // 當(dāng)前分
        int minute = calendar.get(Calendar.MINUTE);
        calendar.setTime(lastDate);
        int lastMinute = calendar.get(Calendar.MINUTE);
        if (minute != lastMinute) {
            lastDate = now;
            counter = 0;
        }
        ++counter;
        return counter >= 100; // 判斷計(jì)數(shù)器是否大于每分鐘限定的值。
    }

    // 測試方法
    public static void main(String[] args) {
        for (; ; ) {
            // 模擬一秒
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            Random random = new Random();
            int i = random.nextInt(3);
            // 模擬1秒內(nèi)請求1次
            if (i == 1) {
                if (countLimit()) {
                    System.out.println("限流了" + counter);

                } else {
                    System.out.println("沒限流" + counter);
                }
            } else if (i == 2) { // 模擬1秒內(nèi)請求2次
                for (int j = 0; j < 2; j++) {
                    if (countLimit()) {
                        System.out.println("限流了" + counter);
                    } else {
                        System.out.println("沒限流" + counter);
                    }
                }
            } else { // 模擬1秒內(nèi)請求10次
                for (int j = 0; j < 10; j++) {
                    if (countLimit()) {
                        System.out.println("限流了" + counter);
                    } else {
                        System.out.println("沒限流" + counter);
                    }
                }
            }
        }
    }
}