DateTimeHelper.cs 5.2 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text;
  4. namespace TEAMModelOS.SDK.Helper.Common.DateTimeHelper
  5. {
  6. public static class DateTimeHelper
  7. {
  8. /// <summary>
  9. /// 时间戳转换为日期(时间戳单位毫秒)
  10. /// </summary>
  11. /// <param name="TimeStamp"></param>
  12. /// <returns></returns>
  13. public static DateTime ConvertToDateTime(long timeStamp)
  14. {
  15. DateTime dtStart = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc), TimeZoneInfo.Local);
  16. return dtStart.AddMilliseconds(timeStamp);
  17. /* var dtStart = TimeZoneInfo.ConvertTimeToUtc(new DateTime(1970, 1, 1));
  18. TimeSpan toNow = new TimeSpan(timeStamp);
  19. return dtStart.Add(toNow);*/
  20. //var start = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  21. //return start.AddMilliseconds(timeStamp).AddHours(8);
  22. }
  23. /// <summary>
  24. /// 日期转换为时间戳(时间戳单位秒)
  25. /// </summary>
  26. /// <param name="TimeStamp"></param>
  27. /// <returns></returns>
  28. public static long ConvertToTimeStamp13(DateTime time)
  29. {
  30. DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  31. return (long)(time.AddHours(-8) - Jan1st1970).TotalMilliseconds;
  32. }
  33. /// <summary>
  34. /// 日期转换为时间戳(时间戳单位秒)
  35. /// </summary>
  36. /// <param name="TimeStamp"></param>
  37. /// <returns></returns>
  38. public static long ConvertToTimeStamp10(DateTime time)
  39. {
  40. DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  41. return (long)(time.AddHours(-8) - Jan1st1970).TotalMilliseconds / 1000;
  42. }
  43. public static DateTime FromUnixTimestamp(this long unixtime)
  44. {
  45. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  46. return sTime.AddMilliseconds(unixtime);
  47. }
  48. public static DateTime FromUnixTimestampOffSet(this long unixtime, int offset)
  49. {
  50. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  51. int serverOffset = (int)TimeZoneInfo.Local.GetUtcOffset(DateTime.Now).TotalMinutes;
  52. int subOffset = offset - serverOffset;
  53. return sTime.AddMilliseconds(unixtime).AddMinutes(subOffset);
  54. }
  55. public static long ToUnixTimestamp(this DateTime datetime)
  56. {
  57. //DateTime sTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  58. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  59. return (long)(datetime - sTime).TotalMilliseconds;
  60. }
  61. /// <summary>
  62. /// 获取当前cpu振荡时间戳 17位数
  63. /// </summary>
  64. /// <returns></returns>
  65. public static long GetCPUMillisecond()
  66. {
  67. return DateTime.Now.ToUniversalTime().Ticks - 621355968000000000;
  68. }
  69. /// <summary>
  70. /// 获取标准毫秒级时间戳 13位数
  71. /// </summary>
  72. /// <returns></returns>
  73. public static long GetMillisecond()
  74. {
  75. return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000;
  76. }
  77. /// <summary>
  78. /// 获取当前年
  79. /// </summary>
  80. /// <returns></returns>
  81. public static int GetCurrentYear()
  82. {
  83. return DateTime.Now.Year;
  84. }
  85. /// <summary>
  86. /// 获取当前月份
  87. /// </summary>
  88. /// <returns></returns>
  89. public static int GetCurrentMonth()
  90. {
  91. return DateTime.Now.Month;
  92. }
  93. /// <summary>
  94. /// 获取星期几
  95. /// </summary>
  96. /// <returns></returns>
  97. public static DayOfWeek GetCurrentDayOfWeek()
  98. {
  99. return DateTime.Now.DayOfWeek;
  100. }
  101. /// <summary>
  102. /// 获取本年第几天
  103. /// </summary>
  104. /// <returns></returns>
  105. public static int GetCurrentDayOfYear()
  106. {
  107. return DateTime.Now.DayOfYear;
  108. }
  109. /// <summary>
  110. /// 获取当前小时
  111. /// </summary>
  112. /// <returns></returns>
  113. public static int GetCurrentHour()
  114. {
  115. return DateTime.Now.Hour;
  116. }
  117. /// <summary>
  118. /// 获取当前分钟
  119. /// </summary>
  120. /// <returns></returns>
  121. public static int GetCurrentMinute()
  122. {
  123. return DateTime.Now.Minute;
  124. }
  125. /// <summary>
  126. /// 获取当前秒
  127. /// </summary>
  128. /// <returns></returns>
  129. public static int GetCurrentSecond()
  130. {
  131. return DateTime.Now.Second;
  132. }
  133. /// <summary>
  134. /// 获得 GMT+8 时间
  135. /// </summary>
  136. /// <returns></returns>
  137. public static DateTime ChinaTime()
  138. {
  139. TimeZoneInfo easternZone = TimeZoneInfo.FindSystemTimeZoneById("China Standard Time");//设置时区
  140. DateTime easternTime = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, easternZone);
  141. return easternTime;
  142. }
  143. }
  144. }