java获取时间，本周，本月，本季度的起始

秒速五厘米 2023-10-02 13:58 67阅读 0赞

package com.yong.util;
    import java.util.Calendar;
    import java.util.Date;
    
    public class TestDate {
        
    
        public static void main(String[] args) {
        
            System.out.println("当前时间："+ new Date().toLocaleString());
            System.out.println("当天0点时间："+ getTimesmorning().toLocaleString());
            System.out.println("当天24点时间："+ getTimesnight().toLocaleString());
            System.out.println("本周周一0点时间："+ getTimesWeekmorning().toLocaleString());
            System.out.println("本周周日24点时间："+ getTimesWeeknight().toLocaleString());
            System.out.println("本月初0点时间："+ getTimesMonthmorning().toLocaleString());
            System.out.println("本月未24点时间："+ getTimesMonthnight().toLocaleString());
        }
    
        // 获得当天0点时间
        public static Date getTimesmorning() {
        
            Calendar cal = Calendar.getInstance();
            cal.set(Calendar.HOUR_OF_DAY, 0);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.MILLISECOND, 0);
            return cal.getTime();
        }
    
        // 获得当天24点时间
        public static Date getTimesnight() {
        
            Calendar cal = Calendar.getInstance();
            cal.set(Calendar.HOUR_OF_DAY, 24);
            cal.set(Calendar.SECOND, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.MILLISECOND, 0);
            return cal.getTime();
        }
    
        // 获得本周一0点时间
        public static Date getTimesWeekmorning() {
        
            Calendar cal = Calendar.getInstance();
            cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
            cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
            return cal.getTime();
        }
    
        // 获得本周日24点时间
        public static Date getTimesWeeknight() {
        
            Calendar cal = Calendar.getInstance();
            cal.setTime(getTimesWeekmorning());
            cal.add(Calendar.DAY_OF_WEEK, 7);
            return cal.getTime();
        }
    
        // 获得本月第一天0点时间
        public static Date getTimesMonthmorning() {
        
            Calendar cal = Calendar.getInstance();
            cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
            cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));
            return cal.getTime();
        }
    
        // 获得本月最后一天24点时间
        public static Date getTimesMonthnight() {
        
            Calendar cal = Calendar.getInstance();
            cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
            cal.set(Calendar.DAY_OF_MONTH, cal.getActualMaximum(Calendar.DAY_OF_MONTH));
            cal.set(Calendar.HOUR_OF_DAY, 24);
            return cal.getTime();
        }
    
    }
    
        /**
         * 当前季度的开始时间
         *
         * @return
         */
        public Date getCurrentQuarterStartTime() {
        
            Calendar c = Calendar.getInstance();
            int currentMonth = c.get(Calendar.MONTH) + 1;
            Date now = null;
            try {
        
                if (currentMonth >= 1 && currentMonth <= 3)
                    c.set(Calendar.MONTH, 1);
                else if (currentMonth >= 4 && currentMonth <= 6)
                    c.set(Calendar.MONTH, 3);
                else if (currentMonth >= 7 && currentMonth <= 9)
                    c.set(Calendar.MONTH, 4);
                else if (currentMonth >= 10 && currentMonth <= 12)
                    c.set(Calendar.MONTH, 9);
                c.set(Calendar.DATE, 1);
                now = longSdf.parse(shortSdf.format(c.getTime()) + " 00:00:00");
            } catch (Exception e) {
        
                e.printStackTrace();
            }
            return now;
        }
    
        /**
         * 当前季度的结束时间
         *
         * @return
         */
        public Date getCurrentQuarterEndTime() {
        
            Calendar c = Calendar.getInstance();
            int currentMonth = c.get(Calendar.MONTH) + 1;
            Date now = null;
            try {
        
                if (currentMonth >= 1 && currentMonth <= 3) {
        
                    c.set(Calendar.MONTH, 2);
                    c.set(Calendar.DATE, 31);
                } else if (currentMonth >= 4 && currentMonth <= 6) {
        
                    c.set(Calendar.MONTH, 5);
                    c.set(Calendar.DATE, 30);
                } else if (currentMonth >= 7 && currentMonth <= 9) {
        
                    c.set(Calendar.MONTH,;
                    c.set(Calendar.DATE, 30);
                } else if (currentMonth >= 10 && currentMonth <= 12) {
        
                    c.set(Calendar.MONTH, 11);
                    c.set(Calendar.DATE, 31);
                }
                now = longSdf.parse(shortSdf.format(c.getTime()) + " 23:59:59");
            } catch (Exception e) {
        
                e.printStackTrace();
            }
            return now;
        }