DateTimeHelper.cs 4.0 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. /// 日期转换为时间戳(时间戳单位秒)
  10. /// </summary>
  11. /// <param name="TimeStamp"></param>
  12. /// <returns></returns>
  13. public static long ConvertToTimeStamp10(DateTime time)
  14. {
  15. DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  16. return (long)(time.AddHours(-8) - Jan1st1970).TotalMilliseconds / 1000;
  17. }
  18. public static DateTime FromUnixTimestamp(this long unixtime)
  19. {
  20. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  21. return sTime.AddMilliseconds(unixtime);
  22. }
  23. public static DateTime FromUnixTimestampOffSet(this long unixtime, int offset)
  24. {
  25. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  26. int serverOffset = (int)TimeZoneInfo.Local.GetUtcOffset(DateTime.Now).TotalMinutes;
  27. int subOffset = offset - serverOffset;
  28. return sTime.AddMilliseconds(unixtime).AddMinutes(subOffset);
  29. }
  30. public static long ToUnixTimestamp(this DateTime datetime)
  31. {
  32. //DateTime sTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
  33. DateTime sTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1), TimeZoneInfo.Utc, TimeZoneInfo.Local);
  34. return (long)(datetime - sTime).TotalMilliseconds;
  35. }
  36. /// <summary>
  37. /// 获取当前cpu振荡时间戳 17位数
  38. /// </summary>
  39. /// <returns></returns>
  40. public static long GetCPUMillisecond()
  41. {
  42. return DateTime.Now.ToUniversalTime().Ticks - 621355968000000000;
  43. }
  44. /// <summary>
  45. /// 获取标准毫秒级时间戳 13位数
  46. /// </summary>
  47. /// <returns></returns>
  48. public static long GetMillisecond()
  49. {
  50. return (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000;
  51. }
  52. /// <summary>
  53. /// 获取当前年
  54. /// </summary>
  55. /// <returns></returns>
  56. public static int GetCurrentYear()
  57. {
  58. return DateTime.Now.Year;
  59. }
  60. /// <summary>
  61. /// 获取当前月份
  62. /// </summary>
  63. /// <returns></returns>
  64. public static int GetCurrentMonth()
  65. {
  66. return DateTime.Now.Month;
  67. }
  68. /// <summary>
  69. /// 获取星期几
  70. /// </summary>
  71. /// <returns></returns>
  72. public static DayOfWeek GetCurrentDayOfWeek()
  73. {
  74. return DateTime.Now.DayOfWeek;
  75. }
  76. /// <summary>
  77. /// 获取本年第几天
  78. /// </summary>
  79. /// <returns></returns>
  80. public static int GetCurrentDayOfYear()
  81. {
  82. return DateTime.Now.DayOfYear;
  83. }
  84. /// <summary>
  85. /// 获取当前小时
  86. /// </summary>
  87. /// <returns></returns>
  88. public static int GetCurrentHour()
  89. {
  90. return DateTime.Now.Hour;
  91. }
  92. /// <summary>
  93. /// 获取当前分钟
  94. /// </summary>
  95. /// <returns></returns>
  96. public static int GetCurrentMinute()
  97. {
  98. return DateTime.Now.Minute;
  99. }
  100. /// <summary>
  101. /// 获取当前秒
  102. /// </summary>
  103. /// <returns></returns>
  104. public static int GetCurrentSecond()
  105. {
  106. return DateTime.Now.Second;
  107. }
  108. /// <summary>
  109. /// 获得 GMT+8 时间
  110. /// </summary>
  111. /// <returns></returns>
  112. public static DateTime ChinaTime()
  113. {
  114. TimeZoneInfo easternZone = TimeZoneInfo.FindSystemTimeZoneById("China Standard Time");//设置时区
  115. DateTime easternTime = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, easternZone);
  116. return easternTime;
  117. }
  118. }
  119. }