Calendar date=Calendar.getInstance();//获取当前时间
Calendar date1=(Calendar) date.clone();//复制
Calendar date2=(Calendar) date.clone();//复制
date1.set(Calendar.HOUR, 8);//将一个时间设为当前8:00
date1.set(Calendar.MINUTE, 0);
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.HOUR, 17);//将第二个时间设为当前17:00
date2.set(Calendar.MINUTE, 0);
date2.set(Calendar.SECOND, 0);
System.out.println(date.after(date1)&&date.before(date2));//利用before和after判断
int date = Integer.parseInt(new SimpleDateFormat("hhmmss").format(new Date()));
System.out.println(date > 83000 && date < 170000);
