From c460c9d4f116be480ab5b6604b77be3bbc76a128 Mon Sep 17 00:00:00 2001
From: Administrator <Administrator@MS-20170306HGUF>
Date: 星期二, 18 二月 2020 11:11:10 +0800
Subject: [PATCH] 发圈信息

---
 utils/src/main/java/org/yeshi/utils/DateUtil.java |   40 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 40 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 abeb00b..3c8663c 100644
--- a/utils/src/main/java/org/yeshi/utils/DateUtil.java
+++ b/utils/src/main/java/org/yeshi/utils/DateUtil.java
@@ -205,6 +205,23 @@
 
 		return format.format(ca.getTime());
 	}
+	
+	/**
+	 * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
+	 * 
+	 * @param num     澧炲姞鐨勫ぉ鏁�
+	 * @param nowDate 鍒涘缓鏃堕棿
+	 * @return
+	 * @throws ParseException
+	 */
+	public static Date plusDayReturnDate(int num, String nowDate) throws ParseException {
+		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+		Date currdate = format.parse(nowDate);
+		Calendar ca = Calendar.getInstance();
+		ca.setTime(currdate);
+		ca.add(Calendar.DATE, num);
+		return ca.getTime();
+	}
 
 	/**
 	 * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
@@ -224,6 +241,7 @@
 		return format.format(ca.getTime());
 	}
 
+	
 	/**
 	 * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡
 	 * 
@@ -293,6 +311,28 @@
 	 * @return
 	 * @throws ParseException
 	 */
+	public static String reduceDay2(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());
+	}
+	
+	/**
+	 * 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 Date reduceDay(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");

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