JAVA判断指定日期是否在指定的时间段内

参考文献:

Java语言判断当前时间在时间范围内_java判断时间区间-CSDN博客

package com.itheima.method2;
 
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
public class DateTest {
    public static void main(String[] args) throws ParseException {
        SimpleDateFormat ft = new SimpleDateFormat ("yyyy-MM-dd HH:mm:ss");
        Date startTime = ft.parse("2019-06-05 03:26:54");
        Date endTime = ft.parse("2019-06-09 03:26:54");
        Date nowTime = new Date();
        boolean effectiveDate = isEffectiveDate(nowTime, startTime, endTime);
        if (effectiveDate) {
            System.out.println("当前时间在范围内");
        }else {
            System.out.println("当前时间在不在范围内");
        }
 
    }
    /**
     * 判断当前时间是否在时间范围内
     *
     * @param nowTime
     * @param startTime
     * @param endTime
     * @return boolean
     * @author zxzhang
     * @date 2020/3/16
     */
    public static boolean isEffectiveDate(Date nowTime, Date startTime, Date endTime) {
        if (nowTime.getTime() == startTime.getTime()
                || nowTime.getTime() == endTime.getTime()) {
            return true;
        }
 
        Calendar date = Calendar.getInstance();
        date.setTime(nowTime);
 
        Calendar begin = Calendar.getInstance();
        begin.setTime(startTime);
 
        Calendar end = Calendar.getInstance();
        end.setTime(endTime);
 
        if (date.after(begin) && date.before(end)) {
            return true;
        } else {
            return false;
        }
    }
}