From c9df4cfec262ca54af52715af60a1276c37d08c5 Mon Sep 17 00:00:00 2001
From: k94314517 <8417338+k94314517@user.noreply.gitee.com>
Date: 星期一, 29 一月 2024 20:12:24 +0800
Subject: [PATCH] 111

---
 server/service/src/main/java/com/doumee/core/utils/DateUtil.java |   79 +++++++++++++++++++++++++++++++++++----
 1 files changed, 70 insertions(+), 9 deletions(-)

diff --git a/server/service/src/main/java/com/doumee/core/utils/DateUtil.java b/server/service/src/main/java/com/doumee/core/utils/DateUtil.java
index 0c1a728..45bdcc0 100644
--- a/server/service/src/main/java/com/doumee/core/utils/DateUtil.java
+++ b/server/service/src/main/java/com/doumee/core/utils/DateUtil.java
@@ -1298,9 +1298,16 @@
         calo.setTime(oldDate);
         caln.setTime(newDate);
         if(type==0||type==1){
-            return    calculateDaysBetweenDates(caln, calo) + 1;
+            return    calculateDaysBetweenDates(caln, calo) ;
         }else if(type==2){
-            return    calculateMonthsBetweenDates(caln, calo) + 1;
+
+            int day = caln.get(Calendar.DATE);
+            if(day == 1){
+                return    calculateMonthsBetweenDates(caln, calo) + 1;
+            }else{
+                return    calculateMonthsBetweenDates(caln, calo);
+            }
+
         }else if(type==3){
             return    calculateYearsBetweenDates(caln, calo) + 1;
         }
@@ -2794,13 +2801,6 @@
         return sdfLongTimePlus.parse(sdfLongTimePlus.format(date));
     }
 
-    public static void main(String[] args) {
-        try {
-            System.out.println(RandomStringUtils.randomNumeric(3));
-        } catch (Exception ex) {
-            ex.printStackTrace();
-        }
-    }
 
     /**
      *
@@ -2904,6 +2904,7 @@
         String nowDateString = dateTypeToString(new Date(), fFormatStr);
         return nowDateString;
     }
+
 
     /**
      * @ author zhangyong @ 鑾峰彇褰撴湀鐨勭涓�澶╋紝2009-05-01
@@ -3056,4 +3057,64 @@
         cal.add(Calendar.MINUTE,minutes);
         return cal.getTime();
     }
+
+
+    /**
+     * 璁$畻澶氬皯鑷劧骞�/鏈�/鏃ュ悗鐨勬棩鏈�
+     * @param startDate 寮�濮嬫棩鏈�
+     * @param type  0=鏃ワ紱1=鏈堬紱2=骞达紱
+     * @param cycle 鍛ㄦ湡  X鏈�
+     * @return
+     */
+    public static Date afterDateByType(Date startDate,Integer type,Integer cycle){
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(startDate);
+        if(type==0){
+            calendar.add(Calendar.DATE, cycle);
+        }else if(type==1){
+            calendar.add(Calendar.MONTH, cycle);
+        }else if(type == 2) {
+            calendar.add(Calendar.YEAR, cycle);
+        }
+        return calendar.getTime();
+    }
+
+
+
+    public static Integer monthDays(Date date){
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        // 鑾峰彇褰撳墠骞翠唤銆佹湀浠斤紙娉ㄦ剰鏈堜唤浠�0寮�濮嬭绠楋級
+        int year = calendar.get(Calendar.YEAR);
+        int month = calendar.get(Calendar.MONTH) + 1;
+        // 鏍规嵁骞翠唤鍜屾湀浠藉垽鏂棸骞存儏鍐�
+        boolean isLeapYear = (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+
+        // 鏍规嵁涓嶅悓鏈堜唤璁惧畾姣忎釜鏈堢殑澶╂暟
+        switch (month) {
+            case 2:
+                if (isLeapYear) {
+                    return 29;
+                } else {
+                    return 28;
+                }
+            case 4:
+            case 6:
+            case 9:
+            case 11:
+                 return 30;
+            default:
+                 return 31;
+        }
+    }
+
+
+
+    public static void main(String[] args) {
+       System.out.println(DateUtil.DateToStr(DateUtil.afterDateByType(
+               DateUtil.stringToDate("2024-02-01","yyyy-MM-dd")
+               ,1,1),"yyyy-MM-dd HH:mm:ss"));
+    }
+
+
 }
\ No newline at end of file

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