From a86acd2bc3135030ec0b0aadadff86e558121b20 Mon Sep 17 00:00:00 2001
From: yujian <yujian@123.com>
Date: 星期一, 28 十月 2019 09:48:26 +0800
Subject: [PATCH] 红包

---
 utils/src/main/java/org/yeshi/utils/DateUtil.java |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)

diff --git a/utils/src/main/java/org/yeshi/utils/DateUtil.java b/utils/src/main/java/org/yeshi/utils/DateUtil.java
index 8bf9f68..500fd67 100644
--- a/utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/utils/src/main/java/org/yeshi/utils/DateUtil.java
@@ -7,6 +7,8 @@
 import java.util.Date;
 import java.util.List;
 
+import org.yeshi.utils.entity.DateInfo;
+
 public class DateUtil {
 
 	public static String dateDiff(String startTime, String endTime) {
@@ -63,6 +65,28 @@
 		return datatime;
 	}
 
+	
+	public static DateInfo dateDiff3(long startTime, long endTime) throws Exception {
+		long nm = 1000 * 60;// 涓�鍒嗛挓鐨勬绉掓暟
+		long nh = 1000 * 60 * 60;// 涓�灏忔椂鐨勬绉掓暟
+		long nd = 1000 * 24 * 60 * 60;// 涓�澶╃殑姣鏁�
+		
+		// 鑾峰緱涓や釜鏃堕棿鐨勬绉掓椂闂村樊寮�
+		long diff = endTime - startTime;
+		
+		int day = (int) (diff / nd);// 璁$畻宸灏戝ぉ
+		long hour = diff % nd / nh;// 璁$畻宸灏戝皬鏃�
+		long minute = diff % nd % nh / nm;// 璁$畻宸灏戝垎閽�
+		long second =(diff/1000-day*24*60*60-hour*60*60-minute*60); // 璁$畻宸灏戠
+
+		DateInfo dateInfo = new DateInfo();
+		dateInfo.setDay(day);
+		dateInfo.setHour(hour);
+		dateInfo.setMinute(minute);
+		dateInfo.setSecond(second);
+		return dateInfo;
+	}
+	
 	/**
 	 * 閫氳繃鏃堕棿绉掓绉掓暟鍒ゆ柇涓や釜鏃堕棿鐨勯棿闅�
 	 * 
@@ -230,6 +254,27 @@
 
 		return ca.getTime();
 	}
+	
+	/**
+	 * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡
+	 * 
+	 * @param num     鍑忓幓鐨勫ぉ鏁�
+	 * @param nowDate 鍒涘缓鏃堕棿
+	 * @return
+	 * @throws ParseException
+	 */
+	public static String reduceDayTostring(int num, Date date) throws ParseException {
+		// 璁剧疆瑕佽幏鍙栧埌浠�涔堟牱鐨勬椂闂�
+		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+		// 鑾峰彇String绫诲瀷鐨勬椂闂�
+		String date_str = format.format(date);
+		Date currdate = format.parse(date_str);
+
+		Calendar ca = Calendar.getInstance();
+		ca.setTime(currdate);
+		ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩
+		return format.format(ca.getTime());
+	}
 
 	/**
 	 * 璁$畻涓や釜鏃ユ湡涔嬮棿鐩稿樊鐨勫ぉ鏁�

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