C#中的日期时间格式 [英] Date time format in C#

问题描述

如果我用c#编写以下代码，则可以找到"4".

int CurrentHoure = DateTime.Now.Hour;

[当前日期时间是04:15:15 AM]

我想以两位数显示为"04".

有谁可以帮我吗?
在此先感谢
Rasadul Alam

If I write the following code in c# then I can found "4"

int CurrentHoure = DateTime.Now.Hour;

[Current date time is 04:15:15 AM]

I want to display it as "04" in double digit.

Is there any one to help me??
Thanks in advance
Rasadul Alam

推荐答案

DateTime dt = DateTime.Now;
string displayedTime = dt.ToString("hh:mm:ss tt");
string displayedHour = dt.Hour.ToString("00");
string displayedHourVariant = dt.Hour.ToString().PadLeft(2, "0"); // the same

将其显示为一个字符串，如果CurrentHour的值小于10，则将其附加到"0".
顺便说一句，您在哪里显示它?

Display it as a string, append CurrentHour to "0" if its value is less than 10.
BTW, where are you displaying it?

string[] customFmts = {"h:mm:ss.ff t", "d MMM yyyy", "HH:mm:ss.f",
                             "dd MMM HH:mm:ss", @"\Mon\t\h\: M", "HH:mm:ss.ffffzzz" };
      // Output date and time using each custom format string.
      foreach (string customFmt in customFmts)
         Console.WriteLine("'{0}': {1}", customFmt,
                           dateValue.ToString(customFmt));

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