如何将TimeSpan转换为格式化字符串？

Question

我有两个DateTime变量,beginTime和endTime.通过执行以下操作,我得到了它们的不同之处:

TimeSpan dateDifference = endTime.Subtract(beginTime);

我现在如何使用C#以hh,mm mins,ss secs格式返回一串字符串.

如果差异是00:06:32.4458750

它应该返回00小时,06分钟,32秒

Answer 1

我刚刚构建了一些TimeSpan Extension方法.以为我可以分享:

public static string ToReadableAgeString(this TimeSpan span)
{
    return string.Format("{0:0}", span.Days / 365.25);
}

public static string ToReadableString(this TimeSpan span)
{
    string formatted = string.Format("{0}{1}{2}{3}",
        span.Duration().Days > 0 ? string.Format("{0:0} day{1}, ", span.Days, span.Days == 1 ? string.Empty : "s") : string.Empty,
        span.Duration().Hours > 0 ? string.Format("{0:0} hour{1}, ", span.Hours, span.Hours == 1 ? string.Empty : "s") : string.Empty,
        span.Duration().Minutes > 0 ? string.Format("{0:0} minute{1}, ", span.Minutes, span.Minutes == 1 ? string.Empty : "s") : string.Empty,
        span.Duration().Seconds > 0 ? string.Format("{0:0} second{1}", span.Seconds, span.Seconds == 1 ? string.Empty : "s") : string.Empty);

    if (formatted.EndsWith(", ")) formatted = formatted.Substring(0, formatted.Length - 2);

    if (string.IsNullOrEmpty(formatted)) formatted = "0 seconds";

    return formatted;
}

Answer 2

通过将其转换为日期时间,您可以获得本地化格式:

new DateTime(timeSpan.Ticks).ToString("HH:mm");

Answer 3

这是最短的解决方案.

timeSpan.ToString(@"hh\:mm");

Answer 4

将TimeSpan.ToString()做的伎俩适合你？如果没有,看起来该页面上的代码示例描述了如何自定义TimeSpan对象的格式.

Answer 5

使用带有多个参数的String.Format().

using System;

namespace TimeSpanFormat
{
    class Program
    {
        static void Main(string[] args)
        {
            TimeSpan dateDifference = new TimeSpan(0, 0, 6, 32, 445);
            string formattedTimeSpan = string.Format("{0:D2} hrs, {1:D2} mins, {2:D2} secs", dateDifference.Hours, dateDifference.Minutes, dateDifference.Seconds);
            Console.WriteLine(formattedTimeSpan);
        }
    }
}

Answer 6

格式化a的最简单方法TimeSpan是将其添加到a DateTime并格式化:

string formatted = (DateTime.Today + dateDifference).ToString("HH 'hrs' mm 'mins' ss 'secs'");

只要时差不超过24小时,这就有效.

该Today属性返回DateTime时间组件为零的值,因此结果的时间组件是TimeSpan值.

Answer 7

   public static class TimeSpanFormattingExtensions
   {
      public static string ToReadableString(this TimeSpan span)
      {
         return string.Join(", ", span.GetReadableStringElements()
            .Where(str => !string.IsNullOrWhiteSpace(str)));
      }

      private static IEnumerable<string> GetReadableStringElements(this TimeSpan span)
      {
         yield return GetDaysString((int)Math.Floor(span.TotalDays));
         yield return GetHoursString(span.Hours);
         yield return GetMinutesString(span.Minutes);
         yield return GetSecondsString(span.Seconds);
      }

      private static string GetDaysString(int days)
      {
         if (days == 0)
            return string.Empty;

         if (days == 1)
            return "1 day";

         return string.Format("{0:0} days", days);
      }

      private static string GetHoursString(int hours)
      {
         if (hours == 0)
            return string.Empty;

         if (hours == 1)
            return "1 hour";

         return string.Format("{0:0} hours", hours);
      }

      private static string GetMinutesString(int minutes)
      {
         if (minutes == 0)
            return string.Empty;

         if (minutes == 1)
            return "1 minute";

         return string.Format("{0:0} minutes", minutes);
      }

      private static string GetSecondsString(int seconds)
      {
         if (seconds == 0)
            return string.Empty;

         if (seconds == 1)
            return "1 second";

         return string.Format("{0:0} seconds", seconds);
      }
   }

Answer 8

根据Microsoft文档,TimeSpan结构将Hours,Minutes,Seconds和Milliseconds作为整数成员公开.也许你想要的东西:

dateDifference.Hours.ToString() + " hrs, " + dateDifference.Minutes.ToString() + " mins, " + dateDifference.Seconds.ToString() + " secs"

Answer 9

感谢彼得提供的扩展方法。我修改了它以更好地处理更长的时间跨度：

namespace ExtensionMethods
{
    public static class TimeSpanExtensionMethods
    {
        public static string ToReadableString(this TimeSpan span)
        {
            string formatted = string.Format("{0}{1}{2}",
                (span.Days / 7) > 0 ? string.Format("{0:0} weeks, ", span.Days / 7) : string.Empty,
                span.Days % 7 > 0 ? string.Format("{0:0} days, ", span.Days % 7) : string.Empty,
                span.Hours > 0 ? string.Format("{0:0} hours, ", span.Hours) : string.Empty);

            if (formatted.EndsWith(", ")) formatted = formatted.Substring(0, formatted.Length - 2);

            return formatted;
        }
    }
}

Answer 10

您可以使用以下代码。

public static class TimeSpanExtensions
{
  public static String Verbose(this TimeSpan timeSpan)
  {
    var hours = timeSpan.Hours;
    var minutes = timeSpan.Minutes;

    if (hours > 0) return String.Format("{0} hours {1} minutes", hours, minutes);
    return String.Format("{0} minutes", minutes);
  }
}