From 3a0712a70ab0f97b4190842c33d27ba8d0d6cec3 Mon Sep 17 00:00:00 2001
From: jiangping <jp@doumee.com>
Date: 星期六, 11 五月 2024 10:48:08 +0800
Subject: [PATCH] 提交一把

---
 server/service/src/main/java/com/doumee/core/utils/DateUtil.java |   98 +++++++++++++++++++++++++++++++++++--------------
 1 files changed, 70 insertions(+), 28 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 a56ff98..1acf22d 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
@@ -6,6 +6,8 @@
 import java.text.DateFormatSymbols;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.Period;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Enumeration;
@@ -2995,6 +2997,21 @@
         return calendar.getTime();
     }
 
+    /**
+     * 鑾峰彇鎸囧畾鏃ユ湡鐨勪笅涓湀绗竴澶�
+     * @param date
+     * @return
+     */
+    public static Date getNextMonthFirst(Date date){
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.MONTH, 1); // 灏嗘棩鍘嗙殑鏈堜唤澧炲姞1
+        calendar.set(Calendar.DAY_OF_MONTH, 1); // 璁剧疆涓轰笅涓湀鐨勭涓�澶�
+        return calendar.getTime();
+    }
+
+
+
 
     public static String afterDateToStr(Integer days){
         Date date = new Date();
@@ -3142,38 +3159,63 @@
 //        System.out.println(DateUtil.calculateBetween(DateUtil.StringToDate("2024-02-29 23:59:59"),DateUtil.StringToDate("2024-02-01 00:00:00"),0));
 
 
-        System.out.println(
-                DateUtil.DateToStr(
+//        System.out.println(
+//                DateUtil.DateToStr(
+//
+//                DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),1) ,"yyyy-MM-dd HH:mm:ss"
+//                )
+//        );
+//
+//
+//
+//        System.out.println(
+//
+//                DateUtil.DateToStr(
+//
+//                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),2) ,"yyyy-MM-dd HH:mm:ss"
+//                )
+//
+//        );
+//
+//        System.out.println(
+//
+//                DateUtil.DateToStr(
+//
+//                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),3) ,"yyyy-MM-dd HH:mm:ss"
+//                )
 
-                DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),1) ,"yyyy-MM-dd HH:mm:ss"
-                )
-        );
+//        );
+
+        LocalDate startDate= LocalDate.of(2021,2,28);
+        LocalDate endDate =LocalDate.of(2022,4,5);
+        Period period = Period.between(startDate,endDate);
+        int months = period.getYears()* 12 + period.getMonths();
+        System.out.println("Months between the two dates: " + months);
+
+
+/*        Calendar calo = Calendar.getInstance();
+        Calendar caln = Calendar.getInstance(); // ,"yyyy-MM-dd HH:mm:ss"
+        caln.setTime(DateUtil.StringToDate("2024-03-06 23:59:59"));
+        calo.setTime(DateUtil.StringToDate("2024-02-05 00:00:00"));
+        System.out.println( DateUtil.calculateMonthsBetweenDates(calo,caln));*/
+
+//        System.out.println(
+//                DateUtil.DateToStr(
+//                        DateUtil.getNextMonthFirst(new Date())
+//                        ,"yyyy-MM-dd HH:mm:ss")
+//
+//        );
+//        System.out.println(
+//                DateUtil.DateToStr(
+//                        DateUtil.getNextMonthFirst(
+//                                DateUtil.StringToDate("2024-12-29 21:59:59")
+//                        )
+//                        ,"yyyy-MM-dd HH:mm:ss")
+//
+//        );
 
 
 
-        System.out.println(
-
-                DateUtil.DateToStr(
-
-                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),2) ,"yyyy-MM-dd HH:mm:ss"
-                )
-
-        );
-
-        System.out.println(
-
-                DateUtil.DateToStr(
-
-                        DateUtil.getMontageDate(DateUtil.StringToDate("2024-02-29 21:59:59"),3) ,"yyyy-MM-dd HH:mm:ss"
-                )
-
-        );
-
-//        Calendar calo = Calendar.getInstance();
-//        Calendar caln = Calendar.getInstance(); // ,"yyyy-MM-dd HH:mm:ss"
-//        caln.setTime(DateUtil.StringToDate("2024-02-29 23:59:59"));
-//        calo.setTime(DateUtil.StringToDate("2024-02-01 00:00:00"));
-//        System.out.println( DateUtil.calculateDaysBetweenDates(calo,caln));
     }
 
 

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