java根据时间date获取该时间距离现在的时间间隔

偏执的太偏执、 2024-02-18 15:28 17阅读 0赞

package cn.ictgu.tools;
    
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    public class TimeUtils {
    
        private final static long YEAR = 1000 * 60 * 60 * 24 * 365L;
        private final static long MONTH = 1000 * 60 * 60 * 24 * 30L;
        private final static long DAY = 1000 * 60 * 60 * 24L;
        private final static long HOUR = 1000 * 60 * 60L;
        private final static long MINUTE = 1000 * 60L;
    
        /**
         * 日期转换成字符串
         * @param date
         * @return str
         */
        public static String dateToStr(Date date) {
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            String str = format.format(date);
            return str;
        }
    
        /**
         * 字符串转换成日期
         * @param str
         * @return date
         */
        public static Date strToDate(String str) {
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date date = null;
            try {
                date = format.parse(str);
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return date;
        }
    
        /**
         * 根据时间查询时间属于哪个时刻
         * @param date
         * @return
         */
        public static String natureTime(Date date){
            Date now = new Date();
            long between = now.getTime() - date.getTime();
            if (between > YEAR){
                return ((between - YEAR) / YEAR + 1) + "年前，";
            }
            if (between > MONTH){
                return ((between - MONTH) / MONTH + 1) + "月前，";
            }
            if (between > DAY){
                return ((between - DAY) / DAY + 1) + "天前，";
            }
            if (between > HOUR){
                return ((between - HOUR) / HOUR + 1) + "小时前，";
            }
            if (between > MINUTE){
                return ((between - MINUTE) / MINUTE + 1) + "分钟前，";
            }
            return "刚刚，";
        }
    
        public static void main(String [] args){
            String str = "2017-09-21 10:50:22";
            Date date = TimeUtils.strToDate(str);
            System.out.println(TimeUtils.natureTime(date));
        }
    
    }

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