From 8a6375edade9f1edc194a0381369fe94e56c13c7 Mon Sep 17 00:00:00 2001
From: tangxiaobao <303826152@qq.com>
Date: 星期五, 13 八月 2021 13:16:36 +0800
Subject: [PATCH] Merge branch 'txb'

---
 springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/DateUtils.java |  172 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 170 insertions(+), 2 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 436681b..c4b3648 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
@@ -2,6 +2,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 
+import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.time.*;
@@ -31,7 +32,11 @@
 
     public static SimpleDateFormat ymdhms_format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
+    public static SimpleDateFormat ymdhm_format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
+
     public static DateTimeFormatter format_ymd_String = DateTimeFormatter.ofPattern("yyMMdd");
+
+    public static SimpleDateFormat yyyyMM_format = new SimpleDateFormat("yyyy-MM");
 
 
 
@@ -123,6 +128,13 @@
         return now;
     }
 
+    /**
+     * 返回当前事件的时间戳
+     * @return
+     */
+    public static Long getCurrentDateTimeStamp(){
+       return LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli();
+    }
     /**
      * 获取当前时间字符串,格式为yyyy-MM-dd HH:mm:ss
      * @return
@@ -615,6 +627,32 @@
         return newTime;
     }
 
+    public static boolean isValidDate(String str) {
+        boolean convertSuccess=true;
+        SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd");
+        try {
+            format.setLenient(false);
+            format.parse(str);
+        } catch (ParseException e) {
+            convertSuccess=false;
+        }
+        return convertSuccess;
+    }
+
+    public static Date toValidDate(String str) {
+        Date date = null;
+        SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd");
+        try {
+            format.setLenient(false);
+            date = format.parse(str);
+        } catch (ParseException e) {
+            log.error("党员导入日期格式错误");
+            date = new Date();
+        }
+        return date;
+    }
+
+
     /**
      * 将日期对象格式化成yyyy-MM-dd格式的字符串
      *
@@ -691,10 +729,140 @@
         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);
+    }
+
+    /**
+     * date2比date1多的天数
+     * @param date1
+     * @param date2
+     * @return
+     */
+    public static int differentDays(Date date1,Date date2)
+    {
+        Calendar cal1 = Calendar.getInstance();
+        cal1.setTime(date1);
+
+        Calendar cal2 = Calendar.getInstance();
+        cal2.setTime(date2);
+        int day1= cal1.get(Calendar.DAY_OF_YEAR);
+        int day2 = cal2.get(Calendar.DAY_OF_YEAR);
+
+        int year1 = cal1.get(Calendar.YEAR);
+        int year2 = cal2.get(Calendar.YEAR);
+        if(year1 != year2) //同一年
+        {
+            int timeDistance = 0 ;
+            for(int i = year1 ; i < year2 ; i ++)
+            {
+                if(i%4==0 && i%100!=0 || i%400==0) //闰年
+                {
+                    timeDistance += 366;
+                }
+                else //不是闰年
+                {
+                    timeDistance += 365;
+                }
+            }
+
+            return timeDistance + (day2-day1) ;
+        }
+        else //不同年
+        {
+//            System.out.println("判断day2 - day1 : " + (day2-day1));
+            return day2-day1;
+        }
+    }
+
+    /**
+     * 获取当前月第一天
+     * @return
+     */
+    public static String getFirstDayOfMonthString() {
+        Calendar calendar = Calendar.getInstance();
+
+        calendar.add(Calendar.MONTH, 0);
+
+        calendar.set(Calendar.DAY_OF_MONTH, 1);
+        // 格式化日期
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+        return sdf.format(calendar.getTime())+" 00:00:00";
+    }
+
+    /**
+     * 获取当前月最后一天
+     * @return
+     */
+    public static String getLastDayOfMonthString() {
+        Calendar calendar = Calendar.getInstance();
+
+        calendar.add(Calendar.MONTH, 1);
+
+        calendar.set(Calendar.DAY_OF_MONTH, 0);
+        // 格式化日期
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+        return sdf.format(calendar.getTime())+" 23:59:59";
+    }
+
+    /**
+     * 获取当前时间(年月日)
+     * @return
+     */
+    public static String getDayOfMonthString() {
+        Calendar today = Calendar.getInstance();
+        today.set(Calendar.HOUR, 0);
+        today.set(Calendar.MINUTE, 0);
+        today.set(Calendar.SECOND, 0);
+        today.set(Calendar.MILLISECOND, 0);
+        // 格式化日期
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+        return sdf.format(today.getTime());
+    }
+
+    /**
+     * 日期转周
+     *
+     * @param datetime
+     * @return
+     */
+    public static String dateToWeek(String datetime) {
+        SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd");
+        String[] weekDays = { "周日", "周一", "周二", "周三", "周四", "周五", "周六" };
+        Calendar cal = Calendar.getInstance(); // 获得一个日历
+        Date datet = null;
+        try {
+            if (StringUtils.isNotEmpty(datetime)) {
+                datet = f.parse(datetime);
+                cal.setTime(datet);
+            }
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个周中的某天。
+        if (w < 0)
+            w = 0;
+        return weekDays[w];
     }
 
 
@@ -702,8 +870,8 @@
     public static void main(String[]args)throws Exception{
 //        Date date= new Date();
 //        Date after = new Date();
-//        System.out.println(calTimeDifference(date,after));
-        System.out.println(getYearMonthStart(2021,2));
+//        System.out.println(getFirstDayOfMonthString());
+//        System.out.println(getDayOfMonthString());
 
     }
 }

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