From ddbb38c54db9c3670e5ff53f4bf713525de1099d Mon Sep 17 00:00:00 2001
From: 44323 <443237572@qq.com>
Date: 星期二, 14 十一月 2023 09:12:10 +0800
Subject: [PATCH] 后台bug修改
---
cloud-server-course/src/main/java/com/dsh/course/util/DateUtil.java | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 52 insertions(+), 0 deletions(-)
diff --git a/cloud-server-course/src/main/java/com/dsh/course/util/DateUtil.java b/cloud-server-course/src/main/java/com/dsh/course/util/DateUtil.java
index f9e576f..b890d08 100644
--- a/cloud-server-course/src/main/java/com/dsh/course/util/DateUtil.java
+++ b/cloud-server-course/src/main/java/com/dsh/course/util/DateUtil.java
@@ -237,6 +237,24 @@
return dateStr;
}
+
+ /**
+ * 得到n天之后的日期
+ */
+ public static String getAfterDayDate2(Date date,String days) {
+ int daysInt = Integer.parseInt(days);
+
+ Calendar canlendar = Calendar.getInstance(); // java.util包
+ canlendar.setTime(date);
+ canlendar.add(Calendar.DATE, daysInt); // 日期减 如果不够减会将月变动
+ Date afterDate = canlendar.getTime();
+
+ SimpleDateFormat sdfd = new SimpleDateFormat("yyyy-MM-dd");
+ String dateStr = sdfd.format(afterDate);
+
+ return dateStr;
+ }
+
/**
* 得到n天之后是周几
*/
@@ -329,4 +347,38 @@
return dt1.getTime();
}
+
+ /**
+ * 计算年龄
+ * @param birthDate
+ * @return
+ */
+ public static int age(Date birthDate) {
+ // 当前日历
+ Calendar nowCalendar = Calendar.getInstance();
+ // 生日大于当前日期
+ if (nowCalendar.before(birthDate)) {
+ throw new IllegalArgumentException("The birth date is before current time, it's unbelievable");
+ }
+ // 当前年月日
+ int yearNow = nowCalendar.get(Calendar.YEAR);
+ int monthNow = nowCalendar.get(Calendar.MONTH);
+ int dayNow = nowCalendar.get(Calendar.DAY_OF_MONTH);
+ // 出生日期年月日
+ Calendar birthCalendar = Calendar.getInstance();
+ birthCalendar.setTime(birthDate);
+ int yearBirth = birthCalendar.get(Calendar.YEAR);
+ int monthBirth = birthCalendar.get(Calendar.MONTH);
+ int dayBirth = birthCalendar.get(Calendar.DAY_OF_MONTH);
+ // 粗计算年龄
+ int age = yearNow - yearBirth;
+ // 当前月份小于出生月份年龄减一
+ if (monthNow < monthBirth) { age--; }
+ // 当前月份等于出生月份，日小于生日年龄减一
+ else if (monthNow == monthBirth && dayNow < dayBirth) { age--; }
+ // 返回年龄值
+ return age;
+ }
+
+
}
--
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