在c＃中创建时间戳的函数-Functionthatcreatesatimestampinc#

I always use something like the following:

我总是使用以下内容:

public static String GetTimestamp(this DateTime value)
{
    return value.ToString("yyyyMMddHHmmssfff");
}

This will give you a string like 200905211035131468, as the string goes from highest order bits of the timestamp to lowest order simple string sorting in your SQL queries can be used to order by date if you're sticking values in a database

这将为您提供一个类似200905211035131468的字符串,因为字符串从时间戳的最高位到最低级的简单字符串排序在SQL查询中可用于按日期排序,如果您在数据库中保留值

I believe you can create a unix style datestamp accurate to a second using the following

我相信您可以使用以下内容创建精确到秒的unix样式日期戳

//Find unix timestamp (seconds since 01/01/1970)
long ticks = DateTime.UtcNow.Ticks - DateTime.Parse("01/01/1970 00:00:00").Ticks;
ticks /= 10000000; //Convert windows ticks to seconds
timestamp = ticks.ToString();

Adjusting the denominator allows you to choose your level of precision

调整分母可让您选择精确度

You could use the DateTime.Ticks property, which is a long and universal storable, always increasing and usable on the compact framework as well. Just make sure your code isn't used after December 31st 9999 ;)

您可以使用DateTime.Ticks属性,该属性是一个长且通用的可存储属性,也可以在紧凑的框架上增加和使用。请确保您的代码在9999年12月31日之后未使用;)

You can also use

你也可以使用

Stopwatch.GetTimestamp().ToString();

If you want timestamps that correspond to actual real times BUT also want them to be unique (for a given application instance), you can use the following code:

如果您希望时间戳对应于实际实际时间,但也希望它们是唯一的(对于给定的应用程序实例),您可以使用以下代码:

public class HiResDateTime
{
   private static long lastTimeStamp = DateTime.UtcNow.Ticks;
   public static long UtcNowTicks
   {
       get
       {
           long orig, newval;
           do
           {
               orig = lastTimeStamp;
               long now = DateTime.UtcNow.Ticks;
               newval = Math.Max(now, orig + 1);
           } while (Interlocked.CompareExchange
                        (ref lastTimeStamp, newval, orig) != orig);

           return newval;
       }
   }
}

when u need in seconds:

什么时候你需要:

var timestamp = (int)(DateTime.Now.ToUniversalTime() - new DateTime(1970, 1, 1)).TotalSeconds;