From 0ad33d9a244822f07e20484af94cbc56d8db4b1d Mon Sep 17 00:00:00 2001
From: bicijinlian <bicijinlian@163.com>
Date: Fri, 19 Jul 2019 18:58:46 +0800
Subject: [PATCH] =?UTF-8?q?UTC=E6=97=B6=E9=97=B4=E6=88=B3=E8=BD=AC?=
 =?UTF-8?q?=E6=8D=A2?=
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---
 DateTimeStudy/DateTimeStudy.cs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/DateTimeStudy/DateTimeStudy.cs b/DateTimeStudy/DateTimeStudy.cs
index 2ba57b3..42258cc 100644
--- a/DateTimeStudy/DateTimeStudy.cs
+++ b/DateTimeStudy/DateTimeStudy.cs
@@ -105,6 +105,28 @@ namespace DateTimeStudy
         #endregion
 
         #region 4、通过DateTime类型的ToLocalTime和ToUniversalTime方法实现UTC和Local的转换
+        /// <summary>
+        /// 获取当前时间的UTC时间戳(
+        /// 单位：毫秒
+        /// </summary>
+        public static long ToUtcTimestamp(DateTime sourceDate)
+        {
+            var startTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+            return (sourceDate - startTime).Ticks;
+        }
+
+        /// <summary>
+        /// 获取当前时间的UTC时间戳(
+        /// 单位：毫秒
+        /// </summary>
+        public static DateTime UtcTimestamp2DateTime(long utcTimestamp)
+        {
+            DateTime utcStart = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+
+            var timeSpan = new TimeSpan(utcTimestamp);
+
+            return utcStart.Add(timeSpan).ToLocalTime();
+        }
         #endregion
 
         #region 5、通过TimeZoneInfo实现Utc和Local的转换