From 5455344826507f875fa4757d775142ee53658e1e Mon Sep 17 00:00:00 2001
From: java110 <928255095@qq.com>
Date: 星期一, 25 七月 2022 14:46:25 +0800
Subject: [PATCH] 优化 欠费缴费时 的 数据问题 导致程序异常问题

---
 java110-utils/src/main/java/com/java110/utils/util/DateUtil.java |  168 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 158 insertions(+), 10 deletions(-)

diff --git a/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java b/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
old mode 100644
new mode 100755
index ae1e9bd..ba589df
--- a/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
+++ b/java110-utils/src/main/java/com/java110/utils/util/DateUtil.java
@@ -31,6 +31,8 @@
     public static final String DATE_FORMATE_STRING_I = "yyyy-MM-dd HH:mm:ss.SSS";
     public static final String DATE_FORMATE_STRING_J = "yyyyMMddHHmmss.SSS";
     public static final String DATE_FORMATE_STRING_K = "yyyyMMddHHmmssSSS";
+    public static final String DATE_FORMATE_STRING_L = "MMdd";
+    public static final String DATE_FORMATE_STRING_M = "yyyyMM";
 
     static {
         formats.put("yyyyMMddHHmmss", new SimpleDateFormat("yyyyMMddHHmmss"));
@@ -45,6 +47,8 @@
         formats.put("yyyy-MM-dd HH:mm:ss.SSS", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"));
         formats.put("yyyyMMddHHmmss.SSS", new SimpleDateFormat("yyyyMMddHHmmss.SSS"));
         formats.put("yyyyMMddHHmmssSSS", new SimpleDateFormat("yyyyMMddHHmmssSSS"));
+        formats.put("MMdd", new SimpleDateFormat("MMdd"));
+        formats.put("yyyyMM", new SimpleDateFormat("yyyyMM"));
     }
 
 
@@ -79,7 +83,7 @@
     }
 
     public static Date getLastDate() throws ParseException {
-        return getDateFromString("3000-01-01", DATE_FORMATE_STRING_B);
+        return getDateFromString("2037-12-01", DATE_FORMATE_STRING_B);
     }
 
     /**
@@ -135,6 +139,28 @@
         }
     }
 
+    public static Date getDateFromStringB(String date){
+        SimpleDateFormat sDateFormat = getDateFormat(DateUtil.DATE_FORMATE_STRING_B);
+        try{
+            synchronized (sDateFormat) {
+                return sDateFormat.parse(date);
+            }
+        }catch (Exception e){
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    public static Date getDateFromStringA(String date){
+        SimpleDateFormat sDateFormat = getDateFormat(DateUtil.DATE_FORMATE_STRING_A);
+        try{
+            synchronized (sDateFormat) {
+                return sDateFormat.parse(date);
+            }
+        }catch (Exception e){
+            throw new IllegalArgumentException(e);
+        }
+    }
+
     public static Date getDefaultDateFromString(String date)
             throws ParseException {
         return getDateFromString(date, "yyyyMMddHHmmss");
@@ -148,7 +174,7 @@
         return getFormatTimeString(new Date(), pattern);
     }
 
-    public static String getLastTime(){
+    public static String getLastTime() {
         return LAST_TIME;
     }
 
@@ -345,16 +371,30 @@
         return returndate;
     }
 
+    public static Date getNextMonthFirstDate() {
+        Calendar calendar = Calendar.getInstance();
+        calendar.set(Calendar.DAY_OF_MONTH, 1);
+        calendar.set(Calendar.HOUR_OF_DAY, 0);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+        calendar.add(Calendar.MONTH, 1);
+        return calendar.getTime();
+    }
+
+    public static Date getFirstDate() {
+        Calendar curDateCal = Calendar.getInstance();
+        curDateCal.set(Calendar.DAY_OF_MONTH, 1);
+        curDateCal.set(Calendar.HOUR_OF_DAY, 0);
+        curDateCal.set(Calendar.MINUTE, 0);
+        curDateCal.set(Calendar.SECOND, 0);
+        Date curDate = curDateCal.getTime();
+        return curDate;
+    }
+
+
     public static String getNextMonthFirstDay(String fmt) {
         String returndate = "";
-        Date date = null;
-
-        Calendar cl = Calendar.getInstance();
-        cl.set(2, cl.get(2) + 1);
-        cl.set(5, 1);
-
-        date = cl.getTime();
-
+        Date date = getNextMonthFirstDate();
         returndate = getFormatTimeString(date, fmt);
 
         return returndate;
@@ -397,6 +437,23 @@
         return maxDate;
     }
 
+    public static void main(String[] args) throws ParseException {
+
+//        SimpleDateFormat sf = new SimpleDateFormat(DateUtil.DATE_FORMATE_STRING_A);
+//        Calendar c = Calendar.getInstance();
+//        c.setTime(DateUtil.getDateFromString("2021-12-03",DateUtil.DATE_FORMATE_STRING_A));
+//        c.add(Calendar.DAY_OF_MONTH, 125);
+//        System.out.println("澧炲姞涓�澶╁悗鏃ユ湡:"+sf.format(c.getTime()));
+        System.out.println( "2021-12-07".compareTo(DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_B)));
+    }
+
+    public static String getAddDayString(Date date,String pattern,int days) throws ParseException {
+        SimpleDateFormat sf = new SimpleDateFormat(pattern);
+        Calendar c = Calendar.getInstance();
+        c.setTime(date);
+        c.add(Calendar.DAY_OF_MONTH, days);
+        return sf.format(c.getTime());
+    }
 
     /**
      * 鍦ㄧ粰瀹氱殑鏃ユ湡鍔犱笂鎴栧噺鍘绘寚瀹氭湀浠藉悗鐨勬棩鏈�
@@ -412,4 +469,95 @@
 
         return c.getTime();
     }
+
+    /**
+     * 鍦ㄧ粰瀹氱殑鏃ユ湡鍔犱笂鎴栧噺鍘绘寚瀹氬ぉ鏁板悗鐨勬棩鏈�
+     *
+     * @param sourceDate 鍘熷鏃堕棿
+     * @param day        瑕佽皟鏁寸殑鏈堜唤锛屽悜鍓嶄负璐熸暟锛屽悜鍚庝负姝f暟
+     * @return
+     */
+    public static Date stepDay(Date sourceDate, int day) {
+        Calendar c = Calendar.getInstance();
+        c.setTime(sourceDate);
+        c.add(Calendar.DATE, day);
+        return c.getTime();
+    }
+
+    public static String dateTimeToDate(String dateTime) {
+        String dateStr = "";
+        try {
+            Date date = getDateFromString(dateTime, DATE_FORMATE_STRING_A);
+            dateStr = getFormatTimeString(date, DATE_FORMATE_STRING_B);
+        } catch (ParseException e) {
+            dateStr = dateTime;
+        }
+
+        return dateStr;
+    }
+
+
+    public static int getYear() {
+        Date date = getCurrentDate();
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        return calendar.get(Calendar.YEAR);
+    }
+
+    public static int getMonth() {
+        Date date = getCurrentDate();
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        return calendar.get(Calendar.MONTH) + 1;
+    }
+
+    /**
+     * 鍒ゆ柇鏃堕棿鏄惁鍦ㄦ椂闂存鍐�
+     *
+     * @param nowTime
+     * @param beginTime
+     * @param endTime
+     * @return
+     */
+    public static boolean belongCalendar(Date nowTime, Date beginTime, Date endTime) {
+        Calendar date = Calendar.getInstance();
+        date.setTime(nowTime);
+        Calendar begin = Calendar.getInstance();
+        begin.setTime(beginTime);
+        Calendar end = Calendar.getInstance();
+        end.setTime(endTime);
+        if (date.after(begin) && date.before(end)) {
+            return true;
+        } else if (nowTime.compareTo(beginTime) == 0 || nowTime.compareTo(endTime) == 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    //鑾峰彇涓や釜鏃ユ湡涔嬮棿鐨勫ぉ鏁�
+    public static int daysBetween(Date now, Date returnDate) {
+        Calendar cNow = Calendar.getInstance();
+        Calendar cReturnDate = Calendar.getInstance();
+        cNow.setTime(now);
+        cReturnDate.setTime(returnDate);
+        setTimeToMidnight(cNow);
+        setTimeToMidnight(cReturnDate);
+        long todayMs = cNow.getTimeInMillis();
+        long returnMs = cReturnDate.getTimeInMillis();
+        long intervalMs = todayMs - returnMs;
+        return millisecondsToDays(intervalMs);
+    }
+
+    //鑾峰彇涓や釜鏃ユ湡涔嬮棿鐨勬绉掓暟
+    private static void setTimeToMidnight(Calendar calendar) {
+        calendar.set(Calendar.HOUR_OF_DAY, 0);
+        calendar.set(Calendar.MINUTE, 0);
+        calendar.set(Calendar.SECOND, 0);
+    }
+
+    //鑾峰彇涓や釜鏃ユ湡涔嬮棿鐨勫垎閽熸暟
+    private static int millisecondsToDays(long intervalMs) {
+        return (int) (intervalMs / (1000 * 86400));
+    }
 }

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