public synchronized void push() {
        times.put(String.format(Locale.CHINA, TIME_KEY, ++count), System.currentTimeMillis());
    }
public synchronized void push() {
        times.put(String.format(Locale.CHINA, TIME_KEY, ++count), System.currentTimeMillis());
    }
public synchronized void push ( ) { times . put ( String . format ( Locale . CHINA , TIME_KEY , ++ count ) , System . currentTimeMillis ( ) ) ; }
记录当前时间
记录当前时间