From a7fa7db6281875687c3e2c90275d4676ac5869c2 Mon Sep 17 00:00:00 2001
From: fwq <582742538@qq.com>
Date: 星期三, 04 一月 2023 19:30:51 +0800
Subject: [PATCH] 时间年开始/年结束

---
 src/main/java/com/hx/util/DateUtil.java |   27 +++++++++++++++++++++++++--
 1 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/hx/util/DateUtil.java b/src/main/java/com/hx/util/DateUtil.java
index 18bc8ff..5bcedbe 100644
--- a/src/main/java/com/hx/util/DateUtil.java
+++ b/src/main/java/com/hx/util/DateUtil.java
@@ -609,7 +609,7 @@
     public static Date getYearStart(Date time) {
         Calendar calendar = Calendar.getInstance();
         calendar.setTime(time);
-        calendar.set(Calendar.MONTH, 1);
+        calendar.set(Calendar.MONTH, 0);
         calendar.set(Calendar.DAY_OF_MONTH, 1);
         calendar.set(Calendar.HOUR_OF_DAY, 0);
         calendar.set(Calendar.MINUTE, 0);
@@ -625,7 +625,7 @@
     public static Date getYearEnd(Date time) {
         Calendar calendar = Calendar.getInstance();
         calendar.setTime(time);
-        calendar.set(Calendar.MONTH, 12);
+        calendar.set(Calendar.MONTH, 11);
         calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DATE));
         calendar.set(Calendar.HOUR_OF_DAY, 23);
         calendar.set(Calendar.MINUTE, 59);
@@ -658,6 +658,18 @@
         calendar.set(Calendar.SECOND, 59);
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
         return sdf.format(calendar.getTime());
+    }
+
+    /**杩欏ぉ鐨勫紑濮嬫椂闂�
+     * 鏃ユ湡2000-01-01鍙�2000-01-01 00:00:00
+     */
+    public static Date dayToStartDate(Date date) {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.set(Calendar.HOUR_OF_DAY, 0);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+        return calendar.getTime();
     }
 
     /**杩欏ぉ鐨勬渶鍚庢椂闂�
@@ -743,4 +755,15 @@
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.CHINA);
         return sdf.format(calendar.getTime());
     }
+
+    /**
+     * 鑾峰彇鏃堕棿褰撴湀鍓╀綑澶╂暟
+     * */
+    public static Integer getMonthSurplus(Date date) {
+        Calendar month = Calendar.getInstance();
+        month.setTime(new Date());
+        month.set(Calendar.DATE, 1);
+        month.roll(Calendar.DATE, -1);
+        return month.getActualMaximum(Calendar.DATE) - Calendar.getInstance().get(Calendar.DAY_OF_MONTH);
+    }
 }

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