標(biāo)簽:DateTime C# 時(shí)間 來(lái)源:https://www.cnblogs.com/scriptzky/p/5474529.html 獲得當(dāng)前系統(tǒng)時(shí)間: DateTime dt = DateTime.Now; Environment.TickCount可以得到“系統(tǒng)啟動(dòng)到現(xiàn)在”的毫秒值 DateTime now = DateTime.Now; Console.WriteLine(dt.ToString()); // 26/11/2009 AM 11:21:30 Console.WriteLine(dt.ToFileTime().ToString()); // 129036792908014024 // Converts the value of the current System.DateTime object to a Windows file time Console.WriteLine(dt.ToFileTimeUtc().ToString()); // 129036792908014024 // Converts the value of the current System.DateTime object to a Windows file time Console.WriteLine(dt.ToLocalTime().ToString()); // 26/11/2009 AM 11:21:30 // Converts the value of the current System.DateTime object to local time. Console.WriteLine(dt.ToLongDateString().ToString()); // 2009年11月26日 Console.WriteLine(dt.ToLongTimeString().ToString()); // AM 11:21:30 Console.WriteLine(dt.ToOADate().ToString()); // 40143.4732731597 Console.WriteLine(dt.ToShortDateString().ToString()); // 26/11/2009 Console.WriteLine(dt.ToShortTimeString().ToString()); // AM 11:21 Console.WriteLine(dt.ToUniversalTime().ToString()); // 26/11/2009 AM 3:21:30 Console.WriteLine(dt.Year.ToString()); // 2009 Console.WriteLine(dt.Date.ToString()); // 26/11/2009 AM 12:00:00 Console.WriteLine(dt.DayOfWeek.ToString()); // Thursday Console.WriteLine(dt.DayOfYear.ToString()); // 330 Console.WriteLine(dt.Hour.ToString()); // 11 Console.WriteLine(dt.Millisecond.ToString()); // 801 (毫秒) Console.WriteLine(dt.Minute.ToString()); // 21 Console.WriteLine(dt.Month.ToString()); // 11 Console.WriteLine(dt.Second.ToString()); // 30 Console.WriteLine(dt.Ticks.ToString()); // 633948312908014024
// Gets the time of day for this instance. // 返回 A System.TimeSpan that represents the fraction of the day that has elapsed since midnight. Console.WriteLine(dt.ToString()); // 26/11/2009 PM 12:29:51 Console.WriteLine(dt.AddYears(1).ToString()); // 26/11/2010 PM 12:29:51 Console.WriteLine(dt.AddDays(1.1).ToString()); // 27/11/2009 PM 2:53:51 Console.WriteLine(dt.AddHours(1.1).ToString()); // 26/11/2009 PM 1:35:51 Console.WriteLine(dt.AddMilliseconds(1.1).ToString()); //26/11/2009 PM 12:29:51 Console.WriteLine(dt.AddMonths(1).ToString()); // 26/12/2009 PM 12:29:51 Console.WriteLine(dt.AddSeconds(1.1).ToString()); // 26/11/2009 PM 12:29:52 Console.WriteLine(dt.AddMinutes(1.1).ToString()); // 26/11/2009 PM 12:30:57 Console.WriteLine(dt.AddTicks(1000).ToString()); // 26/11/2009 PM 12:29:51 Console.WriteLine(dt.CompareTo(dt).ToString()); // 0 Console.WriteLine(dt.Add(new TimeSpan(1,0,0,0)).ToString()); // 加上一個(gè)時(shí)間段 (注: System.TimeSpan為一個(gè)時(shí)間段,構(gòu)造函數(shù)如下 public TimeSpan(long ticks); // ticks: A time period expressed in 100-nanosecond units. //nanosecond:十億分之一秒 new TimeSpan(10,000,000) 為一秒 public TimeSpan(int hours, int minutes, int seconds); public TimeSpan(int days, int hours, int minutes, int seconds); public TimeSpan(int days, int hours, int minutes, int seconds, int milliseconds); ) Console.WriteLine(dt.Equals("2005-11-6 16:11:04").ToString()); // False Console.WriteLine(dt.Equals(dt).ToString()); // True Console.WriteLine(dt.GetHashCode().ToString()); // 1103291775 Console.WriteLine(dt.GetType().ToString()); // System.DateTime Console.WriteLine(dt.GetTypeCode().ToString()); // DateTime long Start = Environment.TickCount; //單位是毫秒 long End = Environment.TickCount; Console.WriteLine("Start is : "+Start); Console.WriteLine("End is : "+End); Console.WriteLine("The Time is {0}",End-Start); Console.WriteLine(dt.GetDateTimeFormats('t')[0].ToString()); //PM 1:29 Console.WriteLine(dt.GetDateTimeFormats('y')[0].ToString()); //2009年11月 Console.WriteLine(dt.GetDateTimeFormats('D')[0].ToString()); //2009年11月26日 Console.WriteLine(dt.GetDateTimeFormats('D')[1].ToString()); //星期四, 26 十一月, 2009 Console.WriteLine(dt.GetDateTimeFormats('D')[2].ToString()); //26 十一月, 2009 Console.WriteLine(dt.GetDateTimeFormats('D')[3].ToString()); //星期四 2009 11 26 Console.WriteLine(dt.GetDateTimeFormats('M')[0].ToString()); //26 十一月 Console.WriteLine(dt.GetDateTimeFormats('f')[0].ToString()); //2009年11月26日 PM 1:29 Console.WriteLine(dt.GetDateTimeFormats('g')[0].ToString()); //26/11/2009 PM 1:29 Console.WriteLine(dt.GetDateTimeFormats('r')[0].ToString()); //Thu, 26 Nov 2009 13:29:06 GMT (注: 常用的日期時(shí)間格式: 格式 說(shuō)明 輸出格式 )
Console.WriteLine(string.Format("{0:D}", dt)); //2009年12月28日 Console.WriteLine(string.Format("{0:f}", dt)); //2009年12月28日 AM 10:29 Console.WriteLine(string.Format("{0:F}", dt)); //2009年12月28日 AM 10:29:18 Console.WriteLine(string.Format("{0:g}", dt)); //28/12/2009 AM 10:29 Console.WriteLine(string.Format("{0:G}", dt)); //28/12/2009 AM 10:29:18 Console.WriteLine(string.Format("{0:M}", dt)); //28 十二月 Console.WriteLine(string.Format("{0:R}", dt)); //Mon, 28 Dec 2009 10:29:18 GMT Console.WriteLine(string.Format("{0:s}", dt)); //2009-12-28T10:29:18 Console.WriteLine(string.Format("{0:t}", dt)); //AM 10:29 Console.WriteLine(string.Format("{0:T}", dt)); //AM 10:29:18 Console.WriteLine(string.Format("{0:u}", dt)); //2009-12-28 10:29:18Z Console.WriteLine(string.Format("{0:U}", dt)); //2009年12月28日 AM 2:29:18 Console.WriteLine(string.Format("{0:Y}", dt)); //2009年12月 Console.WriteLine(string.Format("{0}", dt)); //28/12/2009 AM 10:29:18 Console.WriteLine(string.Format("{0:yyyyMMddHHmmssffff}", dt)); //200912281029182047 |
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