使用格式以毫秒为单位获取c#中的时间 [英] get time in c# with millisecond with format

问题描述

嗨 我想在C#中使用模式

"yyyy/MM/dd HH:mm:ss:ff"

获取日期时间 然后我想减少3秒钟的时间
我该怎么办?
?????????

tnx

解决方案

帮助中记录了格式，并为每个格式说明符提供了示例.通过搜索DateTime format可以很容易地找到帮助.

标准日期和时间格式字符串 [自定义日期和时间格式字符串 [ var timeLess3Seconds = originalTime.AddSeconds(-3. 0 );

您不能减去格式字符串.您必须从实际的DateTime值中减去这三秒，例如myDateTime = myDateTime.AddSeconds(-3);

hi i want get datetime in c# with pattern

"yyyy/MM/dd HH:mm:ss:ff"

and then i want to reduce 3 second of this time
how can i do this?
?????????

tnx

解决方案

Formats are documented in the help with an example for each format specifier. It is pretty easy to find help on that by searching DateTime format.

Standard Date and Time Format Strings[^]

Custom Date and Time Format Strings[^]

And the last question is also easy to answer from the help.

var timeLess3Seconds = originalTime.AddSeconds(-3.0);

You can''t subtract in a format string. You''ll have to subtract those three seconds from your actual DateTime value e.g. myDateTime = myDateTime.AddSeconds(-3);

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