DateTime.AddMinutes(Double) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
傳回新的 DateTime,將這個執行個體的值加上指定的分鐘數。
public:
DateTime AddMinutes(double value);
public DateTime AddMinutes (double value);
member this.AddMinutes : double -> DateTime
Public Function AddMinutes (value As Double) As DateTime
參數
- value
- Double
整數和小數的分鐘數。
value
參數可以是負數或正數。
傳回
物件,其值為這個執行個體所表示日期和時間加上 value
所表示分鐘數的總和。
例外狀況
範例
下列範例會 AddMinutes 使用 方法,將一些整數和小數值新增至日期和時間。
using namespace System;
void main()
{
DateTime dateValue(2013, 9, 15, 12, 0, 0);
array<Double>^ minutes = { .01667, .08333, .16667, .25, .33333,
.5, .66667, 1, 2, 15, 30, 17, 45,
60, 180, 60 * 24 };
for each (Double minute in minutes)
Console::WriteLine("{0} + {1} minute(s) = {2}", dateValue, minute,
dateValue.AddMinutes(minute));
}
// The example displays the following output on a system whose current culture is en-US:
// 9/15/2013 12:00:00 PM + 0.01667 minute(s) = 9/15/2013 12:00:01 PM
// 9/15/2013 12:00:00 PM + 0.08333 minute(s) = 9/15/2013 12:00:05 PM
// 9/15/2013 12:00:00 PM + 0.16667 minute(s) = 9/15/2013 12:00:10 PM
// 9/15/2013 12:00:00 PM + 0.25 minute(s) = 9/15/2013 12:00:15 PM
// 9/15/2013 12:00:00 PM + 0.33333 minute(s) = 9/15/2013 12:00:20 PM
// 9/15/2013 12:00:00 PM + 0.5 minute(s) = 9/15/2013 12:00:30 PM
// 9/15/2013 12:00:00 PM + 0.66667 minute(s) = 9/15/2013 12:00:40 PM
// 9/15/2013 12:00:00 PM + 1 minute(s) = 9/15/2013 12:01:00 PM
// 9/15/2013 12:00:00 PM + 2 minute(s) = 9/15/2013 12:02:00 PM
// 9/15/2013 12:00:00 PM + 15 minute(s) = 9/15/2013 12:15:00 PM
// 9/15/2013 12:00:00 PM + 30 minute(s) = 9/15/2013 12:30:00 PM
// 9/15/2013 12:00:00 PM + 17 minute(s) = 9/15/2013 12:17:00 PM
// 9/15/2013 12:00:00 PM + 45 minute(s) = 9/15/2013 12:45:00 PM
// 9/15/2013 12:00:00 PM + 60 minute(s) = 9/15/2013 1:00:00 PM
// 9/15/2013 12:00:00 PM + 180 minute(s) = 9/15/2013 3:00:00 PM
// 9/15/2013 12:00:00 PM + 1440 minute(s) = 9/16/2013 12:00:00 PM
using System;
public class Example
{
public static void Main()
{
DateTime dateValue = new DateTime(2013, 9, 15, 12, 0, 0);
double[] minutes = { .01667, .08333, .16667, .25, .33333,
.5, .66667, 1, 2, 15, 30, 17, 45,
60, 180, 60 * 24 };
foreach (double minute in minutes)
Console.WriteLine("{0} + {1} minute(s) = {2}", dateValue, minute,
dateValue.AddMinutes(minute));
}
}
// The example displays the following output on a system whose current culture is en-US:
// 9/15/2013 12:00:00 PM + 0.01667 minute(s) = 9/15/2013 12:00:01 PM
// 9/15/2013 12:00:00 PM + 0.08333 minute(s) = 9/15/2013 12:00:05 PM
// 9/15/2013 12:00:00 PM + 0.16667 minute(s) = 9/15/2013 12:00:10 PM
// 9/15/2013 12:00:00 PM + 0.25 minute(s) = 9/15/2013 12:00:15 PM
// 9/15/2013 12:00:00 PM + 0.33333 minute(s) = 9/15/2013 12:00:20 PM
// 9/15/2013 12:00:00 PM + 0.5 minute(s) = 9/15/2013 12:00:30 PM
// 9/15/2013 12:00:00 PM + 0.66667 minute(s) = 9/15/2013 12:00:40 PM
// 9/15/2013 12:00:00 PM + 1 minute(s) = 9/15/2013 12:01:00 PM
// 9/15/2013 12:00:00 PM + 2 minute(s) = 9/15/2013 12:02:00 PM
// 9/15/2013 12:00:00 PM + 15 minute(s) = 9/15/2013 12:15:00 PM
// 9/15/2013 12:00:00 PM + 30 minute(s) = 9/15/2013 12:30:00 PM
// 9/15/2013 12:00:00 PM + 17 minute(s) = 9/15/2013 12:17:00 PM
// 9/15/2013 12:00:00 PM + 45 minute(s) = 9/15/2013 12:45:00 PM
// 9/15/2013 12:00:00 PM + 60 minute(s) = 9/15/2013 1:00:00 PM
// 9/15/2013 12:00:00 PM + 180 minute(s) = 9/15/2013 3:00:00 PM
// 9/15/2013 12:00:00 PM + 1440 minute(s) = 9/16/2013 12:00:00 PM
open System
let dateValue = DateTime(2013, 9, 15, 12, 0, 0)
let minutes =
[ 0.01667; 0.08333; 0.16667; 0.25; 0.33333
0.5; 0.66667; 1; 2; 15; 30; 17; 45
60; 180; 60. * 24. ]
for minute in minutes do
printfn $"{dateValue} + {minute} minute(s) = {dateValue.AddMinutes minute}"
// The example displays the following output on a system whose current culture is en-US:
// 9/15/2013 12:00:00 PM + 0.01667 minute(s) = 9/15/2013 12:00:01 PM
// 9/15/2013 12:00:00 PM + 0.08333 minute(s) = 9/15/2013 12:00:05 PM
// 9/15/2013 12:00:00 PM + 0.16667 minute(s) = 9/15/2013 12:00:10 PM
// 9/15/2013 12:00:00 PM + 0.25 minute(s) = 9/15/2013 12:00:15 PM
// 9/15/2013 12:00:00 PM + 0.33333 minute(s) = 9/15/2013 12:00:20 PM
// 9/15/2013 12:00:00 PM + 0.5 minute(s) = 9/15/2013 12:00:30 PM
// 9/15/2013 12:00:00 PM + 0.66667 minute(s) = 9/15/2013 12:00:40 PM
// 9/15/2013 12:00:00 PM + 1 minute(s) = 9/15/2013 12:01:00 PM
// 9/15/2013 12:00:00 PM + 2 minute(s) = 9/15/2013 12:02:00 PM
// 9/15/2013 12:00:00 PM + 15 minute(s) = 9/15/2013 12:15:00 PM
// 9/15/2013 12:00:00 PM + 30 minute(s) = 9/15/2013 12:30:00 PM
// 9/15/2013 12:00:00 PM + 17 minute(s) = 9/15/2013 12:17:00 PM
// 9/15/2013 12:00:00 PM + 45 minute(s) = 9/15/2013 12:45:00 PM
// 9/15/2013 12:00:00 PM + 60 minute(s) = 9/15/2013 1:00:00 PM
// 9/15/2013 12:00:00 PM + 180 minute(s) = 9/15/2013 3:00:00 PM
// 9/15/2013 12:00:00 PM + 1440 minute(s) = 9/16/2013 12:00:00 PM
Module Example
Public Sub Main()
Dim minutes() As Double = {.01667, .08333, .16667, .25, .33333,
.5, .66667, 1, 2, 15, 30, 17, 45,
60, 180, 60 * 24 }
Dim dateValue As Date = #9/15/2013 12:00#
For Each minute As Double In minutes
Console.WriteLine("{0} + {1} minute(s) = {2}", dateValue,
minute, dateValue.AddMinutes(minute))
Next
End Sub
End Module
' The example displays the following output on a system whose current culture is en-US:
' 9/15/2013 12:00:00 PM + 0.01667 minute(s) = 9/15/2013 12:00:01 PM
' 9/15/2013 12:00:00 PM + 0.08333 minute(s) = 9/15/2013 12:00:05 PM
' 9/15/2013 12:00:00 PM + 0.16667 minute(s) = 9/15/2013 12:00:10 PM
' 9/15/2013 12:00:00 PM + 0.25 minute(s) = 9/15/2013 12:00:15 PM
' 9/15/2013 12:00:00 PM + 0.33333 minute(s) = 9/15/2013 12:00:20 PM
' 9/15/2013 12:00:00 PM + 0.5 minute(s) = 9/15/2013 12:00:30 PM
' 9/15/2013 12:00:00 PM + 0.66667 minute(s) = 9/15/2013 12:00:40 PM
' 9/15/2013 12:00:00 PM + 1 minute(s) = 9/15/2013 12:01:00 PM
' 9/15/2013 12:00:00 PM + 2 minute(s) = 9/15/2013 12:02:00 PM
' 9/15/2013 12:00:00 PM + 15 minute(s) = 9/15/2013 12:15:00 PM
' 9/15/2013 12:00:00 PM + 30 minute(s) = 9/15/2013 12:30:00 PM
' 9/15/2013 12:00:00 PM + 17 minute(s) = 9/15/2013 12:17:00 PM
' 9/15/2013 12:00:00 PM + 45 minute(s) = 9/15/2013 12:45:00 PM
' 9/15/2013 12:00:00 PM + 60 minute(s) = 9/15/2013 1:00:00 PM
' 9/15/2013 12:00:00 PM + 180 minute(s) = 9/15/2013 3:00:00 PM
' 9/15/2013 12:00:00 PM + 1440 minute(s) = 9/16/2013 12:00:00 PM
備註
這個方法不會變更這個 DateTime 的值。 相反地,它會傳回新的 DateTime ,其值為此作業的結果。
的小 value
數部分是分鐘的小數部分。 例如,4.5 相當於 4 分鐘、30 秒、0 毫秒和 0 個刻度。
在 .NET 6 和舊版中 value
,參數會四捨五入為最接近的毫秒。 在 .NET 7 和更新版本中,會使用 參數的完整 Double 精確度 value
。 不過,由於浮點數學的固有不精確,因此產生的精確度會有所不同。