From cdd6551b190b981b807a3b95e9635c559ccc769d Mon Sep 17 00:00:00 2001
From: k94314517 <8417338+k94314517@user.noreply.gitee.com>
Date: 星期一, 19 五月 2025 09:45:07 +0800
Subject: [PATCH] git ch

---
 server/service/src/main/java/com/doumee/core/utils/DateUtil.java |   90 +++++++++++++++++++++++++++++++++++---------
 1 files changed, 71 insertions(+), 19 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 e6e6b7e..fa297b0 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
@@ -1,11 +1,16 @@
 package com.doumee.core.utils;
 
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.sql.Timestamp;
 import java.text.DateFormat;
 import java.text.DateFormatSymbols;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.Period;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Enumeration;
@@ -348,6 +353,8 @@
             throw e;
         }
     }
+
+
 
     /**
      * Descrption:鍙栧緱褰撳墠鏃ユ湡,鏍煎紡涓�:yyyy-MM-dd HH:mm:ss
@@ -1298,7 +1305,7 @@
         calo.setTime(oldDate);
         caln.setTime(newDate);
         if(type==0||type==1){
-            return    calculateDaysBetweenDates(caln, calo) ;
+            return    calculateDaysBetweenDates(caln, calo)  + 1 ;
         }else if(type==2){
 
             int day = caln.get(Calendar.DATE);
@@ -2995,6 +3002,21 @@
         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();
@@ -3012,6 +3034,10 @@
 
     public static String getLongDate(Date date) {
         return DateToString(date, "yyyyMMddHHmmss");
+    }
+
+    public static String getLongDateTime(Date date) {
+        return DateToString(date, "yyyy-MM-dd HH:mm:ss");
     }
 
     public static String DateToString(Date date, String dateStyle) {
@@ -3109,25 +3135,51 @@
     }
 
 
-
-    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"));
-
-        System.out.println( DateUtil.daysBetweenDates(DateUtil.stringToDate("2024-02-29","yyyy-MM-dd"),
-                DateUtil.stringToDate("2024-02-01","yyyy-MM-dd"))
-        );
-
-        System.out.println(DateUtil.calculateBetween(DateUtil.StringToDate("2024-02-29 23:59:59"),DateUtil.StringToDate("2024-02-01 00:00:00"),0));
-
-
-//        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));
+    /**
+     * 鎷兼帴鏃ユ湡鏁版嵁
+     * @param date
+     * @param optType   1:姣忔棩寮�濮� 2锛氭瘡鏃ョ粨鏉� 3:鏄ㄦ棩缁撴潫
+     * @return
+     */
+    public static Date getMontageDate(Date date ,Integer optType) {
+        String strShortDate = DateUtil.dateToString(date,"yyyy-MM-dd");
+        if(optType.equals(1)){
+            return DateUtil.StringToDate(strShortDate +" 00:00:00");
+        }else if(optType.equals(2)){
+            return DateUtil.StringToDate(strShortDate +" 23:59:59");
+        }else if(optType.equals(3)){
+            strShortDate = DateUtil.dateToString(DateUtil.getDateBetween(date,-1),"yyyy-MM-dd");
+            return DateUtil.StringToDate(strShortDate +" 23:59:59");
+        }else{
+            return null;
+        }
     }
 
 
+    public static void main(String[] args) throws Exception{
+        System.out.println(DateUtil.getLongDateTime(new Date()));;
+    }
+
+    /**
+     * 鑾峰彇鐩稿樊鐨勬湀鏁�
+     * @param sDate
+     * @param eDate
+     * @return
+     */
+    public static Integer getDifferenceMonths(Date sDate ,Date eDate) {
+        LocalDate startDate = sDate.toInstant()
+                .atZone(ZoneId.systemDefault())
+                .toLocalDate();
+        LocalDate endDate = eDate.toInstant()
+                .atZone(ZoneId.systemDefault())
+                .toLocalDate();
+//        LocalDate startDate= LocalDate.of(2021,2,28);
+//        LocalDate endDate =LocalDate.of(2022,4,5);
+        Period period = Period.between(endDate,startDate);
+        int months = period.getYears()* 12 + period.getMonths();
+        return months + 1;
+    }
+
+
+
 }
\ No newline at end of file

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