blocks|key|1148960|text|int+totalSeconds+=+222;
int+seconds+=+totalSeconds+%25+60;
int+minutes+=+totalSeconds+/+60;
string+time+=+minutes+%2B+":"+%2B+seconds;|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1148961|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>int totalSeconds = 222;
int seconds = totalSeconds % 60;
int minutes = totalSeconds / 60;
string time = minutes + ":" + seconds;
</code></pre>

blocks|key|1149085|text|一个通用的版本是像这样使用TimeSpan：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1149086|var+span+=+new+TimeSpan(0,+0,+seconds);+//Or+TimeSpan.FromSeconds(seconds);+(see+Jakob+C´s+answer)
var+yourStr+=+string.Format("{0}:{1:00}",+
++++++++++++++++++++++++++++(int)span.TotalMinutes,+
++++++++++++++++++++++++++++span.Seconds);|code-block|syntax|javascript|1149087|entityMap^0|D|8|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

A versatile version is to use <code>TimeSpan</code> like this:

<pre><code>var span = new TimeSpan(0, 0, seconds); //Or TimeSpan.FromSeconds(seconds); (see Jakob C´s answer)
var yourStr = string.Format("{0}:{1:00}", 
 (int)span.TotalMinutes, 
 span.Seconds);
</code></pre>

blocks|key|934776|text|为了完整起见，我将使用TimeSpan添加一个答案(适用于.NET+4.0)：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|934777|int+seconds+=+1045;
var+timespan+=+TimeSpan.FromSeconds(seconds);++++++++++++
Console.WriteLine(timespan.ToString(@"mm\:ss"));|code-block|syntax|javascript|934778|entityMap^0|B|8|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Just for completeness I will add an answer using <code>TimeSpan</code> (works as of .NET 4.0):

<pre><code>int seconds = 1045;
var timespan = TimeSpan.FromSeconds(seconds); 
Console.WriteLine(timespan.ToString(@"mm\:ss"));
</code></pre>

blocks|key|934683|text|如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|934684|string+minSec+=+string.Format("{0}:{1:00}",+seconds+/+60,+seconds+%25+60);|code-block|syntax|javascript|934685|请注意，这将确保秒数始终显示为两位数，例如125秒的"2:05“。会议记录目前不是这样对待的，但当然可以这样做。|934686|这不能很好地处理负数。如果你的秒数可能是负数，你可能想要这样的东西：|934687|string+minSec+=+string.Format("{0}:{1:00}",+seconds+/+60,+
++++++++++++++++++++++++++++++(Math.Abs(seconds))+%25+60);|934688|最后，你总是有少于一个小时的秒数吗？例如，当你真正指的是"1:20:00“时，看到"80:00”可能看起来很奇怪。|934689|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|D|7|U|8|@]|9|@]|A|$E|F]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Something like this:

<pre><code>string minSec = string.Format("{0}:{1:00}", seconds / 60, seconds % 60);
</code></pre>

Note that that will ensure the seconds are always displayed as two digits, e.g. "2:05" for 125 seconds. The minutes aren't currently treated the same way, but of course they could be.

This doesn't deal well with negative numbers. If your seconds may be negative, you may want something like this:

<pre><code>string minSec = string.Format("{0}:{1:00}", seconds / 60, 
 (Math.Abs(seconds)) % 60);
</code></pre>

Finally, will you always have less than an hour of seconds? It might look odd to see "80:00" when you really mean "1:20:00" for example.

blocks|key|1149213|text|double+seconds=125;++++
TimeSpan.FromSeconds(seconds).ToString()+|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1149214|将为您提供：00:02:05。根据我的理解，这个内置的解决方案更具可扩展性，因为它也可以为您提供几个小时，而不需要任何逻辑管道。|unstyled|offset|length|style|CODE|1149215|entityMap^0|0|6|8|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<pre><code>double seconds=125; 
TimeSpan.FromSeconds(seconds).ToString() 
</code></pre>

will give you : <code>00:02:05</code>. As per my understanding this built-in solution is more extensible, since it can give you hours too, without any plumbing of the logic.

blocks|key|1148947|text|var+seconds+=+60;
//10,000+ticks+in+a+millisecond
var+ticks+=+seconds*10000*1000;
DateTime+dt+=+new+DateTime(ticks);
dt.ToString("mm:ss");|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1148948|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>var seconds = 60;
//10,000 ticks in a millisecond
var ticks = seconds*10000*1000;
DateTime dt = new DateTime(ticks);
dt.ToString("mm:ss");
</code></pre>

blocks|key|934637|text|简单的数学。60秒到一分钟|type|unstyled|depth|inlineStyleRanges|entityRanges|data|934638|int+mins+=+totalseconds/60;
int+secs+=+totalseconds+%25+60;

Console.Writeline(string.Format("{0}:{1}",+mins,+secs));|code-block|syntax|javascript|934639|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Simple maths. 60 seconds to a minute.

<pre><code>int mins = totalseconds/60;
int secs = totalseconds % 60;

Console.Writeline(string.Format("{0}:{1}", mins, secs));
</code></pre>

blocks|key|1149167|text|另一种将秒显示为"2:05“的方法是使用PadLeft。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1149168|string+time+=+minutes.ToString()+%2B+":"+%2B+seconds.ToString().PadLeft(2,'0');|code-block|syntax|javascript|1149169|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

An alternative way to display the seconds as e.g. "2:05" could be to use PadLeft.

<pre><code>string time = minutes.ToString() + ":" + seconds.ToString().PadLeft(2,'0');
</code></pre>

blocks|key|934931|text|没有严格地回答最初的问题，但如果将来有任何人(或我自己)从google来到这里，也想用毫秒来格式化一个浮点数：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|934932|float+secs+=+23.69;
string+m_ss_mmm+=+string.Format("{0}:{1:00}.{2:000}",+(int)secs+/+60,+(int)(secs+%25+60),+(secs+-+((int)secs))+*+1000);|code-block|syntax|javascript|934933|结果：|934934|0:23.690|934935|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Not strictly answering the original question, but in case anyone (or myself) in the future comes here from google wanting to format a float with milliseconds as well:

<pre><code>float secs = 23.69;
string m_ss_mmm = string.Format("{0}:{1:00}.{2:000}", (int)secs / 60, (int)(secs % 60), (secs - ((int)secs)) * 1000);
</code></pre>

Result:

<pre><code>0:23.690
</code></pre>

blocks|key|1149256|text|对我有效的..。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1149257|public+static+string+SecondsToMinutes(int+seconds)
{
+++var+ts+=+new+TimeSpan(0,+0,+seconds);++++++++++++++++
+++return+new+DateTime(ts.Ticks).ToString(seconds+>=+3600+?+"hh:mm:ss"+:+"mm:ss");
}|code-block|syntax|javascript|1149258|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

What works for me...

<pre><code>public static string SecondsToMinutes(int seconds)
{
 var ts = new TimeSpan(0, 0, seconds); 
 return new DateTime(ts.Ticks).ToString(seconds &gt;= 3600 ? "hh:mm:ss" : "mm:ss");
}
</code></pre>

blocks|key|934972|text|如果您需要它作为浮点数或双精度数：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|934973|float+seconds+=+339;
float+totalTimeInMins+=+(float)+(Math.Floor(seconds+/+60)+%2B+(seconds+%25+60)+/+100);|code-block|syntax|javascript|934974|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you need it as float or double:
<pre><code>float seconds = 339;
float totalTimeInMins = (float) (Math.Floor(seconds / 60) + (seconds % 60) / 100);
</code></pre>

how to convert seconds in Minute:Second format

问如何将秒换算为min:sec格式
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