From 76ed3735c23da4b7ef97b8a0f365facbc14f6903 Mon Sep 17 00:00:00 2001 From: manailin <261030956@qq.com> Date: 星期日, 27 六月 2021 16:05:03 +0800 Subject: [PATCH] Merge remote-tracking branch 'origin/test' into test --- springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 42 insertions(+), 0 deletions(-) diff --git a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java index 74b43ce..a07fde5 100644 --- a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java +++ b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java @@ -751,6 +751,48 @@ return date1.before(date2); } + /** + * date2比date1多的天数 + * @param date1 + * @param date2 + * @return + */ + public static int differentDays(Date date1,Date date2) + { + Calendar cal1 = Calendar.getInstance(); + cal1.setTime(date1); + + Calendar cal2 = Calendar.getInstance(); + cal2.setTime(date2); + int day1= cal1.get(Calendar.DAY_OF_YEAR); + int day2 = cal2.get(Calendar.DAY_OF_YEAR); + + int year1 = cal1.get(Calendar.YEAR); + int year2 = cal2.get(Calendar.YEAR); + if(year1 != year2) //同一年 + { + int timeDistance = 0 ; + for(int i = year1 ; i < year2 ; i ++) + { + if(i%4==0 && i%100!=0 || i%400==0) //闰年 + { + timeDistance += 366; + } + else //不是闰年 + { + timeDistance += 365; + } + } + + return timeDistance + (day2-day1) ; + } + else //不同年 + { +// System.out.println("判断day2 - day1 : " + (day2-day1)); + return day2-day1; + } + } + public static void main(String[]args)throws Exception{ -- Gitblit v1.7.1