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Infrastructure/Hncore.Infrastructure/Common/DateTimeHelper.cs

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+using System;
+using System.Runtime.InteropServices;
+
+namespace Hncore.Infrastructure.Common
+{
+    public class DateTimeHelper
+    {
+        public static DateTime SqlMinTime => Convert.ToDateTime("1975-01-01 00:00:00");
+
+        public static DateTime SqlMaxTime => Convert.ToDateTime("9999-12-31 23:59:59");
+
+        /// <summary>
+        /// 将10位时间戳转时间
+        /// </summary>
+        /// <param name="unixTimeStamp"></param>
+        /// <returns></returns>
+        public static DateTime UnixTimeStampToDateTime(long unixTimeStamp)
+        {
+            // Unix timestamp is seconds past epoch
+            DateTime dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
+            dtDateTime = dtDateTime.AddSeconds(unixTimeStamp).ToLocalTime();
+            return dtDateTime;
+        }
+
+        public static long ToUnixTimestamp(DateTime target)
+        {
+            return Convert.ToInt64((TimeZoneInfo.ConvertTimeToUtc(target) -
+                                    new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds);
+        }
+
+        /// <summary>
+        /// 将13位时间戳转为时间
+        /// </summary>
+        /// <param name="javaTimeStamp"></param>
+        /// <returns></returns>
+        public static DateTime JsTimeStampToDateTime(double javaTimeStamp)
+        {
+            var dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
+            dtDateTime = dtDateTime.AddMilliseconds(javaTimeStamp).ToLocalTime();
+            return dtDateTime;
+        }
+
+        /// <summary>
+        /// 获取时间戳
+        /// </summary>
+        /// <param name="target"></param>
+        /// <param name="bflag">为真时获取10位时间戳,为假时获取13位时间戳</param>
+        /// <returns></returns>
+        public static long ToUnixTime(DateTime target, bool bflag = false)
+        {
+            TimeSpan ts = target - new DateTime(1970, 1, 1, 0, 0, 0, 0);
+            long timer = 0;
+            timer = Convert.ToInt64(!bflag ? ts.TotalSeconds : ts.TotalMilliseconds);
+            return timer;
+        }
+
+        public static TimeZoneInfo GetCstTimeZoneInfo()
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                return TimeZoneInfo.FindSystemTimeZoneById("Asia/Shanghai");
+            }
+
+            return TimeZoneInfo.FindSystemTimeZoneById("China Standard Time");
+        }
+
+        public static bool IsSameDayOrLess(DateTime dt1, DateTime dt2)
+        {
+            return dt1.Year == dt2.Year
+                && dt1.Month == dt2.Month
+                && dt1.Day == dt2.Day
+                || dt1 < dt2;
+        }
+
+        public static DateTime GetDatePart(DateTime dt)
+        {
+            return new DateTime(dt.Year, dt.Month, dt.Day);
+        }
+    }
+}