From ca698f88c0632a85bca91c7ea12267c83889f673 Mon Sep 17 00:00:00 2001
From: chenjiahe <763432473@qq.com>
Date: 星期五, 16 十二月 2022 16:34:57 +0800
Subject: [PATCH] 新增时间算法
---
src/main/java/com/hx/util/DateUtil.java | 133 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 130 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/hx/util/DateUtil.java b/src/main/java/com/hx/util/DateUtil.java
index 3ba7770..3bf51a3 100644
--- a/src/main/java/com/hx/util/DateUtil.java
+++ b/src/main/java/com/hx/util/DateUtil.java
@@ -536,8 +536,21 @@
}
return 0;
+ }
-
+ /**
+ * 鑾峰彇褰撳墠鏈堢殑寮�濮嬫椂闂�
+ * @param time 鏃堕棿
+ * @return 杩斿洖鏃堕棿 鏍煎紡yyyy-MM-dd 00:00:00
+ */
+ public static Date getMonthStart(Date time) {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(time);
+ calendar.set(Calendar.DAY_OF_MONTH, 1);
+ calendar.set(Calendar.HOUR_OF_DAY, 0);
+ calendar.set(Calendar.MINUTE, 0);
+ calendar.set(Calendar.SECOND, 0);
+ return calendar.getTime();
}
/**
@@ -559,7 +572,21 @@
/**
* 鑾峰彇褰撳墠鏈堢殑缁撴潫鏃堕棿
- *
+ * @param date 鐐瑰墠鏃堕棿
+ * @return 杩斿洖鏃堕棿 鏍煎紡yyyy-MM-dd 23:59:59
+ */
+ public static Date getMonthEnd(Date date) {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(date);
+ calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
+ calendar.set(Calendar.HOUR_OF_DAY, 23);
+ calendar.set(Calendar.MINUTE, 59);
+ calendar.set(Calendar.SECOND, 59);
+ return calendar.getTime();
+ }
+
+ /**
+ * 鑾峰彇褰撳墠鏈堢殑缁撴潫鏃堕棿
* @param num 0鎷垮彇褰撴湀锛屾浠ｈ〃鍚庯紝璐熶唬琛ㄥ墠锛屽�间负鍑犱釜锛堟湀锛�
* @return 杩斿洖鏃堕棿 鏍煎紡yyyy-MM-dd 23:59:59
*/
@@ -574,8 +601,40 @@
return sdf.format(calendar.getTime());
}
+ /**
+ * 鑾峰彇褰撳墠骞寸殑寮�濮嬫椂闂�
+ * @param time 鏃堕棿
+ * @return 杩斿洖鏃堕棿 鏍煎紡yyyy-MM-dd 00:00:00
+ */
+ public static Date getYearStart(Date time) {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(time);
+ calendar.set(Calendar.MONTH, 1);
+ calendar.set(Calendar.DAY_OF_MONTH, 1);
+ calendar.set(Calendar.HOUR_OF_DAY, 0);
+ calendar.set(Calendar.MINUTE, 0);
+ calendar.set(Calendar.SECOND, 0);
+ return calendar.getTime();
+ }
/**
+ * 鑾峰彇褰撳墠骞寸殑缁撴潫鏃堕棿
+ * @param time 鏃堕棿
+ * @return 杩斿洖鏃堕棿 鏍煎紡yyyy-MM-dd 00:00:00
+ */
+ public static Date getYearEnd(Date time) {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(time);
+ calendar.set(Calendar.MONTH, 12);
+ calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DATE));
+ calendar.set(Calendar.HOUR_OF_DAY, 23);
+ calendar.set(Calendar.MINUTE, 59);
+ calendar.set(Calendar.SECOND, 59);
+ return 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 String dayToStart(Date date) {
@@ -588,7 +647,7 @@
return sdf.format(calendar.getTime());
}
- /**
+ /**杩欏ぉ鐨勬渶鍚庢椂闂�
* 鏃ユ湡2000-01-01鍙�2000-01-01 23:59:59
*/
public static String dayToEnd(Date date) {
@@ -601,4 +660,72 @@
return sdf.format(calendar.getTime());
}
+ /**杩欏ぉ鐨勬渶鍚庢椂闂�
+ * 鏃ユ湡2000-01-01鍙�2000-01-01 23:59:59
+ */
+ public static Date dayToEndDate(Date date) {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(date);
+ calendar.set(Calendar.HOUR, 23);
+ calendar.set(Calendar.MINUTE, 59);
+ calendar.set(Calendar.SECOND, 59);
+ return calendar.getTime();
+ }
+
+ /**鑾峰彇鏈堜唤鐨勫ぉ鏁�
+ * @param date 鏃堕棿
+ * @return 鏈堜唤鐨勫ぉ鏁�
+ */
+ public static int getMonthDays(Date date) {
+ Calendar cal = Calendar.getInstance();
+ cal.setTime(date);
+ cal.set(Calendar.DATE, 1);
+ cal.roll(Calendar.DATE, -1);
+ return cal.getActualMaximum(Calendar.DATE);
+ }
+ /**鑾峰彇鏈堜唤鐨勫ぉ鏁�
+ * @param year 骞翠唤
+ * @param month 鏈堜唤
+ * @return 鏈堜唤鐨勫ぉ鏁�
+ */
+ public static int getMonthDays(int year, int month) {
+ Calendar cal = Calendar.getInstance();
+ cal.set(Calendar.YEAR, year);
+ cal.set(Calendar.MONTH, (month - 1));
+ cal.set(Calendar.DATE, 1);
+ cal.roll(Calendar.DATE, -1);
+ return cal.getActualMaximum(Calendar.DATE);
+ }
+
+ /**鑾峰彇鏈堜唤鐨勫ぉ鏁�
+ * @param yearMonth 骞存湀
+ * @param format 鏃堕棿鏍煎紡
+ * @return
+ */
+ public static int getMonthDays(String yearMonth,String format) {
+ SimpleDateFormat sdf = new SimpleDateFormat(format);
+ Calendar calendar = Calendar.getInstance();
+ try {
+ calendar.setTime(sdf.parse(yearMonth));
+ } catch (ParseException e) {
+ e.printStackTrace();
+ }
+ calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
+ return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
+ }
+
+ /**褰撳ぉ澶氬皯鐐瑰墠
+ * @param date 鏃堕棿
+ * @param num 澶氬皯鐐瑰墠锛屼笉鍚綋鐐瑰墠锛�24灏忔椂鍒�
+ * @return 鏈堜唤鐨勫ぉ鏁�
+ */
+ public static boolean getFrontMinute(Date date,int num) {
+ Calendar cal = Calendar.getInstance();
+ cal.setTime(date);
+ cal.set(Calendar.HOUR, num-1);
+ cal.set(Calendar.MINUTE, 59);
+ cal.set(Calendar.SECOND, 59);
+
+ return date.compareTo(cal.getTime()) < 1;
+ }
}
--
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