From 1bdd6405e8caffc058066bdd26cb6de1ea9cf7ea Mon Sep 17 00:00:00 2001
From: songhuangfeng123 <shf18767906695@163.com>
Date: 星期二, 09 八月 2022 18:35:39 +0800
Subject: [PATCH] 8-9fix
---
emergency/emergency-service/src/main/java/com/gkhy/safePlatform/emergency/utils/TimeUtils.java | 80 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 80 insertions(+), 0 deletions(-)
diff --git a/emergency/emergency-service/src/main/java/com/gkhy/safePlatform/emergency/utils/TimeUtils.java b/emergency/emergency-service/src/main/java/com/gkhy/safePlatform/emergency/utils/TimeUtils.java
new file mode 100644
index 0000000..13cd0dd
--- /dev/null
+++ b/emergency/emergency-service/src/main/java/com/gkhy/safePlatform/emergency/utils/TimeUtils.java
@@ -0,0 +1,80 @@
+package com.gkhy.safePlatform.emergency.utils;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+
+public class TimeUtils {
+
+ public static String formatDate(Date date){
+ SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
+ String sDate = f.format(date);
+ return sDate;
+ }
+
+ /**
+ * 获取某年第一天日期
+ * @param year 年份
+ * @return Date
+ */
+ public static String getYearFirst(int year){
+ Calendar calendar = Calendar.getInstance();
+ calendar.clear();
+ calendar.set(Calendar.YEAR, year);
+ Date currYearFirst = calendar.getTime();
+ return formatDate(currYearFirst);
+ }
+
+ /**
+ * 获取某年最后一天日期
+ * @param year 年份
+ * @return Date
+ */
+ public static String getYearLast(int year){
+ Calendar calendar = Calendar.getInstance();
+ calendar.clear();
+ calendar.set(Calendar.YEAR, year);
+ calendar.roll(Calendar.DAY_OF_YEAR, -1);
+ Date currYearLast = calendar.getTime();
+
+ return formatDate(currYearLast);
+ }
+
+ /**
+ * 获取某月第一天日期
+ * @param month 年份
+ * @return Date
+ */
+ public static String getMonthFirst(int year ,int month){
+ Calendar calendar = Calendar.getInstance();
+ calendar.clear();
+ calendar.set(Calendar.YEAR, year);
+ calendar.set(Calendar.MONTH, month-1);
+ Date currYearFirst = calendar.getTime();
+ return formatDate(currYearFirst);
+ }
+
+ /**
+ * 获取某月最后一天日期
+ * @param month 年份
+ * @return Date
+ */
+ public static String getMonthLast(int year ,int month){
+ Calendar calendar = Calendar.getInstance();
+ calendar.clear();
+ calendar.set(Calendar.YEAR, year);
+ calendar.set(Calendar.MONTH, month-1);
+ calendar.roll(Calendar.DAY_OF_MONTH, -1);
+ Date currYearLast = calendar.getTime();
+
+ return formatDate(currYearLast);
+ }
+
+
+ public static void main(String[] args) {
+ Calendar date = Calendar.getInstance();
+ int year = date.get(Calendar.YEAR);
+ int month = date.get(Calendar.MONTH);
+ System.out.println(getMonthLast(year,2));
+ }
+}
--
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