判断某个时间实在在一个时间区间内或者获取当前年的指定一天

野性酷女 2021-10-13 23:39 304阅读 0赞

package com.lzw;
    
    import java.text.SimpleDateFormat;
    import java.util.Calendar;
    import java.util.Date;
    
    /**
     * @author lzw
     * @Date 2019年8月16日
     */
    public class abc {
    
    	public static void main(String[] args) {
    			
    		boolean between = isBetween(new Date(), getcurrFist(), getcurrLast());
    		System.out.println("是否在某个时间区间内："+between);
    		
    	}
    	
    	/**
    	 * 获取当前年的4月30日
    	 * @return
    	 */
    	public static String getFistDay(){
    		Calendar currCal= Calendar.getInstance();
    		Calendar calendar = Calendar.getInstance();
    		calendar.clear();
    		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR));
    		calendar.set(Calendar.MONTH,3);
    		calendar.set(Calendar.DAY_OF_MONTH,30);
    		Date time = calendar.getTime();
    		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
    		return format.format(time);
    	}
    	
    	/**
    	 * 获取当前年的10月31日
    	 * @return
    	 */
    	public static String getLastDay(){
    		Calendar currCal= Calendar.getInstance();
    		Calendar calendar = Calendar.getInstance();
    		calendar.clear();
    		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR));
    		calendar.set(Calendar.MONTH,9);
    		calendar.set(Calendar.DAY_OF_MONTH,31);
    		Date time = calendar.getTime();
    		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
    		return format.format(time);
    	}
    	
    	/***
    	 *  比较某一时间是否在两个日期之间
    	 * @param nowTime
    	 * @param startTime
    	 * @param endTime
    	 * @return
    	 */
    	public static boolean isBetween(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;
            }
        }
    	
    	/**
    	 * 获取当前年的4月30日
    	 * @return
    	 */
    	public static Date getcurrFist(){
    		Calendar currCal= Calendar.getInstance();
    		Calendar calendar = Calendar.getInstance();
    		calendar.clear();
    		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR));
    		calendar.set(Calendar.MONTH,3);
    		calendar.set(Calendar.DAY_OF_MONTH,30);
    		return calendar.getTime();
    	}
    	
    	/**
    	 * 获取当次年的4月30日
    	 * @return
    	 */
    	public static Date getNextYear(){
    		Calendar currCal= Calendar.getInstance();
    		Calendar calendar = Calendar.getInstance();
    		calendar.clear();
    		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR)+1);
    		calendar.set(Calendar.MONTH,3);
    		calendar.set(Calendar.DAY_OF_MONTH,30);
    		return calendar.getTime();
    	}
    	
    	/**
    	 * 获取当前年的10月31日
    	 * @return
    	 */
    	public static Date getcurrLast(){
    		Calendar currCal= Calendar.getInstance();
    		Calendar calendar = Calendar.getInstance();
    		calendar.clear();
    		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR));
    		calendar.set(Calendar.MONTH,9);
    		calendar.set(Calendar.DAY_OF_MONTH,31);
    		return calendar.getTime();
    	}
    	
    	
    	
    }