From bdf8f19609636e8bb5533192ff89841c64789606 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期六, 26 二月 2022 09:47:53 +0800
Subject: [PATCH] 优化Excel格式化不同类型的日期对象

---
 src/main/java/com/ruoyi/common/utils/DateUtils.java |   36 ++++++++++++++++++++++++++++++++++--
 1 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/utils/DateUtils.java b/src/main/java/com/ruoyi/common/utils/DateUtils.java
index 8ff95f1..a2cb78d 100644
--- a/src/main/java/com/ruoyi/common/utils/DateUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/DateUtils.java
@@ -3,6 +3,11 @@
 import java.lang.management.ManagementFactory;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
 import java.util.Date;
 import org.apache.commons.lang3.time.DateFormatUtils;
 
@@ -22,7 +27,7 @@
     public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
 
     public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
-    
+
     private static String[] parsePatterns = {
             "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", 
             "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
@@ -121,7 +126,7 @@
             return null;
         }
     }
-    
+
     /**
      * 鑾峰彇鏈嶅姟鍣ㄥ惎鍔ㄦ椂闂�
      */
@@ -129,6 +134,14 @@
     {
         long time = ManagementFactory.getRuntimeMXBean().getStartTime();
         return new Date(time);
+    }
+
+    /**
+     * 璁$畻鐩稿樊澶╂暟
+     */
+    public static int differentDaysByMillisecond(Date date1, Date date2)
+    {
+        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
     }
 
     /**
@@ -152,4 +165,23 @@
         // long sec = diff % nd % nh % nm / ns;
         return day + "澶�" + hour + "灏忔椂" + min + "鍒嗛挓";
     }
+
+    /**
+     * 澧炲姞 LocalDateTime ==> Date
+     */
+    public static Date toDate(LocalDateTime temporalAccessor)
+    {
+        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
+        return Date.from(zdt.toInstant());
+    }
+
+    /**
+     * 澧炲姞 LocalDate ==> Date
+     */
+    public static Date toDate(LocalDate temporalAccessor)
+    {
+        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
+        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
+        return Date.from(zdt.toInstant());
+    }
 }

--
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