使用asp.net mvc计算相对日期 [英] Calculating relative dates using asp.net mvc

问题描述

在C＃中使用ASP.NET MVC显示相对日期（例如：20分钟前）的最佳库是什么？

What is the best library for displaying relative dates (eg: 20 minutes ago) for ASP.NET MVC using in C#?

推荐答案

当一个简单的扩展方法可以执行时，您不需要库。这是我使用的扩展方法：

You don't need a library when a simple extension method can do it. This is an extension method that I have used:

public static string TimeAgo(this DateTime date)
{
    TimeSpan timeSince = DateTime.Now.Subtract(date);
    if (timeSince.TotalMilliseconds < 1) return "not yet"; 
    if (timeSince.TotalMinutes < 1) return "just now";
    if (timeSince.TotalMinutes < 2) return "1 minute ago";
    if (timeSince.TotalMinutes < 60) return string.Format("{0} minutes ago", timeSince.Minutes);
    if (timeSince.TotalMinutes < 120) return "1 hour ago";
    if (timeSince.TotalHours < 24) return string.Format("{0} hours ago", timeSince.Hours);
    if (timeSince.TotalDays < 2) return "yesterday";
    if (timeSince.TotalDays < 7) return string.Format("{0} days ago", timeSince.Days); 
    if (timeSince.TotalDays < 14) return "last week";
    if (timeSince.TotalDays < 21) return "2 weeks ago";
    if (timeSince.TotalDays < 28) return "3 weeks ago";
    if (timeSince.TotalDays < 60) return "last month";
    if (timeSince.TotalDays < 365) return string.Format("{0} months ago", Math.Round(timeSince.TotalDays / 30));
    if (timeSince.TotalDays < 730) return "last year"; //last but not least...
    return string.Format("{0} years ago", Math.Round(timeSince.TotalDays / 365));
}

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