在C#中复制moment.jsfromNow()和toNow()
本文关键字：toNow jsfromNow moment 复制 | 更新日期: 2023-09-27 18:28:19
我试着问这个问题，但有些用户认为这是重复的，于是关闭了这个问题。我在一条评论中解释了它，但无论如何，我在C#中写了一个扩展方法，它会出现在一个答案中。
这里是用于复制moment.js from Now（）和to Now（（）的扩展。如果你的一些页面是服务器生成的（例如Razor视图引擎），并且你想要相同的前一段时间的措辞，这是很有用的。
public static class Extensions
{
// For from_now and to_now
static Dictionary<string, string> relative_time = new Dictionary<string, string>()
{
{ "future" , "in {0}" },
{ "past" , "in {0}" },
{ "s" , "a few seconds ago" },
{ "m" , "a minute ago" },
{ "mm" , "{0} minutes ago" },
{ "h" , "an hour ago" },
{ "hh" , "{0} hours ago" },
{ "d" , "a day ago" },
{ "dd" , "{0} days ago" },
{ "M" , "a month ago" },
{ "MM" , "{0} months ago" },
{ "Y" , "a year ago" },
{ "YY" , "{0} years ago" },
{ "-s" , "in seconds" },
{ "-m" , "in a minute" },
{ "-mm" , "in {0} minutes" },
{ "-h" , "in an hour" },
{ "-hh" , "in {0} hours" },
{ "-d" , "in a day" },
{ "-dd" , "in {0} days" },
{ "-M" , "in a month" },
{ "-MM" , "in {0} months" },
{ "-Y" , "in a year" },
{ "-YY" , "in {0} years" },
};
/// <summary>
/// replicate moment.js fromNow()
/// </summary>
/// <returns></returns>
public static string from_now(this DateTime time_gmt)
{
// http://momentjs.com/docs/#/displaying/fromnow : moment.js fromNow() doc
var diff = DateTime.UtcNow - time_gmt;
if (diff.TotalSeconds < 0)
{
return time_gmt.to_now();
}
else if (diff.TotalSeconds <= 45)
{
return relative_time["s"];
}
else if (diff.TotalSeconds <= 90)
{
return relative_time["m"];
}
else if (diff.TotalMinutes <= 45)
{
return string.Format(relative_time["mm"], Convert.ToInt32( diff.TotalMinutes));
}
else if (diff.TotalMinutes <= 90)
{
return relative_time["h"];
}
else if (diff.TotalHours <= 22)
{
return string.Format(relative_time["hh"], Convert.ToInt32(diff.TotalHours));
}
else if (diff.TotalHours <= 36)
{
return relative_time["d"];
}
else if (diff.TotalDays <= 25)
{
return string.Format(relative_time["dd"], Convert.ToInt32(diff.TotalDays));
}
else if (diff.TotalDays <= 45)
{
return relative_time["M"];
}
else if (diff.TotalDays <= 345)
{
return string.Format(relative_time["MM"], Convert.ToInt32(diff.TotalDays/(365.0/12.0)));
}
else if (diff.TotalDays <= 545)
{
return relative_time["Y"];
}
else if (diff.TotalDays > 545)
{
return string.Format(relative_time["YY"], Convert.ToInt32(diff.TotalDays/365.0));
}
return "invalid";
}
/// <summary>
/// replicate moment.js toNow()
/// </summary>
/// <param name="time_gmt"></param>
/// <returns></returns>
public static string to_now(this DateTime time_gmt)
{
// http://momentjs.com/docs/#/displaying/tonow : moment.js toNow() doc
var diff = time_gmt - DateTime.UtcNow;
if (diff.TotalSeconds < 0)
{
return time_gmt.from_now();
}
else if (diff.TotalSeconds <= 45)
{
return relative_time["-s"];
}
else if (diff.TotalSeconds <= 90)
{
return relative_time["-m"];
}
else if (diff.TotalMinutes <= 45)
{
return string.Format(relative_time["-mm"], Convert.ToInt32( diff.TotalMinutes));
}
else if (diff.TotalMinutes <= 90)
{
return relative_time["-h"];
}
else if (diff.TotalHours <= 22)
{
return string.Format(relative_time["-hh"], Convert.ToInt32(diff.TotalHours));
}
else if (diff.TotalHours <= 36)
{
return relative_time["-d"];
}
else if (diff.TotalDays <= 25)
{
return string.Format(relative_time["-dd"], Convert.ToInt32(diff.TotalDays));
}
else if (diff.TotalDays <= 45)
{
return relative_time["-M"];
}
else if (diff.TotalDays <= 345)
{
return string.Format(relative_time["-MM"], Convert.ToInt32(diff.TotalDays/(365.0/12.0)));
}
else if (diff.TotalDays <= 545)
{
return relative_time["-Y"];
}
else if (diff.TotalDays > 545)
{
return string.Format(relative_time["-YY"], Convert.ToInt32(diff.TotalDays/365.0));
}
return "invalid";
}
}