C# 将日期转换为毫秒
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Convert Date to Milliseconds
提问by Linger
I am working with Visual Studio 2010, MVC 3 and C#. I am creating some highcharts and need to have the x-axis be a date. I am pulling the dates from a database and adding them to and array that will then be passed to highcharts. I think highcharts requires the dates to be in millisecond format. Ho do I go about converting a DateTime of '12/20/2011 5:10:13 PM" for example to milliseconds?
我正在使用 Visual Studio 2010、MVC 3 和 C#。我正在创建一些 highcharts 并且需要将 x 轴设为日期。我从数据库中提取日期并将它们添加到数组中，然后将其传递给 highcharts。我认为 highcharts 要求日期为毫秒格式。例如，我如何将“12/20/2011 5:10:13 PM”的 DateTime 转换为毫秒？
采纳答案by Matt Burland
Once you figure out what you want to calculate milliseconds from, you can just take one DateTime object from another to get a TimeSpan object. From TimeSpan you can get TotalMilliseconds.
一旦确定了计算毫秒的依据，您就可以从另一个 DateTime 对象中获取一个 TimeSpan 对象。从 TimeSpan 您可以获得 TotalMilliseconds。
In other words, if start and end are DateTime objects, you can do this:
换句话说，如果 start 和 end 是 DateTime 对象，你可以这样做：
double milliseconds = (end - start).TotalMilliseconds;
回答by Serj-Tm
DateTime[] dates = ;
var minDate = dates.Min();
var msDates = dates.Select(date => (date - minDate).TotalMilliseconds).ToArray();
回答by Marek Grzenkowicz
You can use the DateTime.Ticksproperty and convert the value to milliseconds.
您可以使用DateTime.Ticks属性并将值转换为毫秒。
The value of this property represents the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight, January 1, 0001, which represents DateTime.MinValue. It does not include the number of ticks that are attributable to leap seconds.
A single tick represents one hundred nanoseconds or one ten-millionth of a second. There are 10,000 ticks in a millisecond.
此属性的值表示自 0001 年 1 月 1 日午夜 12:00:00 以来经过的 100 纳秒间隔数，它表示 DateTime.MinValue。它不包括可归因于闰秒的滴答数。
一个刻度代表一百纳秒或百万分之一秒。一毫秒有 10,000 个滴答声。
回答by Ifesinachi Bryan
The .Ticksin C# DateTimegives you the value of any time in ticks. You can thereafter convert to milliseconds as shown below:
在.TicksC＃中DateTime为您提供了在蜱任何时刻的价值。此后您可以转换为毫秒，如下所示：
long dateticks = DateTime.Now.Ticks;
long datemilliseconds = dateticks / TimeSpan.TicksPerMillisecond;
