From aef219e6e7e9fb1f3592806d5e64ce714adf6848 Mon Sep 17 00:00:00 2001
From: xyh <18782104331@139.com>
Date: 星期五, 18 六月 2021 15:39:51 +0800
Subject: [PATCH] bug-424-【后端-宣传教育-新增 】 宣传人数只能输入大于等于0的正正数，8位长度字符
---
springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 105 insertions(+), 0 deletions(-)
diff --git a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
index ac943d7..87c7c57 100644
--- a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
+++ b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java
@@ -34,6 +34,8 @@
public static DateTimeFormatter format_ymd_String = DateTimeFormatter.ofPattern("yyMMdd");
+ public static SimpleDateFormat yyyyMM_format = new SimpleDateFormat("yyyy-MM");
+
/**
@@ -642,12 +644,115 @@
}
+ /**
+ * 将日期对象格式化成yyyy-MM-dd格式的字符串
+ *
+ * @param date 日期对象
+ * @return String
+ */
+ public static String getDateStringYMD(Date date) {
+
+ String dateString = "";
+ if (date != null) {
+ dateString = yyyyMMdd_format.format(date);
+ }
+ return dateString;
+ }
+
+ /**
+ * 获取当前月第一天
+ * @return
+ */
+ public static Date getFirstDayOfMonth() {
+ Calendar cal = Calendar.getInstance();
+ cal.add(Calendar.MONTH,0);
+ int actualMinimum = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
+ cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),actualMinimum,00,00,00);
+ return cal.getTime();
+ }
+
+ /**
+ * 获取当前年月的第一天时间
+ * @param year 年份
+ * @param month 月份
+ * @return 时间
+ */
+ public static Date getYearMonthStart(Integer year,Integer month) {
+ Calendar cal = Calendar.getInstance();
+ // 设置年份
+ cal.set(Calendar.YEAR, year);
+ // 设置月份
+ cal.set(Calendar.MONTH, month - 1);
+ // 获取某月最小天数
+ int firstDay = cal.getMinimum(Calendar.DATE);
+ // 设置日历中月份的最小天数
+ cal.set(Calendar.DAY_OF_MONTH, firstDay);
+ int actualMinimum = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
+ cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),actualMinimum,00,00,00);
+ return cal.getTime();
+ }
+
+ /**
+ * 获取当前年月的最后一天时间
+ * @param year 年份
+ * @param month 月份
+ * @return 时间
+ */
+ public static Date getYearMonthEnd(Integer year,Integer month) {
+ Calendar cal = Calendar.getInstance();
+ // 设置年份
+ cal.set(Calendar.YEAR, year);
+ // 设置月份
+ cal.set(Calendar.MONTH, month - 1);
+ // 获取某月最大天数
+ int lastDay = cal.getMaximum(Calendar.DATE);
+ // 设置日历中月份的最大天数
+ cal.set(Calendar.DAY_OF_MONTH, lastDay);
+ int actualMinimum = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
+ cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY),actualMinimum,00,00,00);
+ return cal.getTime();
+ }
+
+ public static Date getDateM(Date start, int min) {
+ Calendar date1 = Calendar.getInstance();
+ date1.setTime(start);
+ date1.add(Calendar.MONTH, min);
+ return date1.getTime();
+ }
+
+ public static Date parseDateYM(String str) {
+ try {
+ return yyyyMM_format.parse(str);
+ } catch (ParseException e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
+
+
+ public static int getMonth(Date date){
+ Calendar instance = Calendar.getInstance();
+ instance.setTime(date);
+ return instance.get(Calendar.MONTH);
+ }
+
+ public static boolean before(Date start, Date end){
+ Calendar date1 = Calendar.getInstance();
+ date1.setTime(start);
+ Calendar date2 = Calendar.getInstance();
+ date2.setTime(end);
+ return date1.before(date2);
+ }
public static void main(String[]args)throws Exception{
isValidDate("2020/12/4");
+// Date date= new Date();
+// Date after = new Date();
+// System.out.println(calTimeDifference(date,after));
+ System.out.println(getYearMonthStart(2021,2));
}
}
--
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