From b2699c029a213fe896d2de7835791dd778a9fb49 Mon Sep 17 00:00:00 2001
From: nickchange <126672920+nickchange@users.noreply.github.com>
Date: 星期四, 26 十月 2023 10:24:56 +0800
Subject: [PATCH] 10.26.1
---
cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java | 36 ++++++++++++++++++++++++++++++++++++
1 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java b/cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java
index d3492ba..b706602 100644
--- a/cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java
+++ b/cloud-server-course/src/main/java/com/dsh/course/util/LocalDateTimeUtils.java
@@ -1,9 +1,12 @@
package com.dsh.course.util;
import java.text.ParseException;
+import java.time.DayOfWeek;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTime;
+import java.util.Calendar;
+import java.util.Date;
/**
* LocalDateTimeUtils
@@ -77,4 +80,37 @@
Integer day=date.getDayOfMonth();
return day < dayArr[month - 1] ? constellationArr[month - 1] : constellationArr[month];
}
+
+ /**
+ * 获取当天的星期几
+ * @return
+ */
+ public static int getWeekStr(){
+ LocalDate today = LocalDate.now();
+ DayOfWeek dayOfWeek = today.getDayOfWeek();
+ return dayOfWeek.getValue();
+ }
+
+ /**
+ * 根据输入本周的周几，获取当天的时间
+ * @param dayOfWeekInput 周几
+ * @return
+ */
+ public static Date getDateOfWeekNum(int dayOfWeekInput){
+ // 获取当前日期
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(new Date());
+
+ // 设置为本周的第一天（星期一）
+ calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
+
+ // 根据输入的星期几数值，计算出相应的偏移量
+ int dayOfWeekIndex = (dayOfWeekInput + 6) % 7;
+ calendar.add(Calendar.DAY_OF_WEEK, dayOfWeekIndex);
+
+ // 获取计算后的日期
+ return calendar.getTime();
+ }
+
+
}
--
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