TimeSpan.FromMinutes 方法

参考

定义

命名空间:: System

程序集:: System.Runtime.dll

程序集:: mscorlib.dll

程序集:: netstandard.dll

重要

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重载

FromMinutes(Double)	返回一个表示指定分钟数的 TimeSpan，其中规范准确到最接近毫秒。
FromMinutes(Int64)	将 TimeSpan 结构的新实例初始化为指定的分钟数。
FromMinutes(Int64, Int64, Int64, Int64)	将 TimeSpan 结构的新实例初始化为指定的分钟数、秒数、毫秒数和微秒数。

FromMinutes(Double)

Source:: TimeSpan.cs

Source:: TimeSpan.cs

Source:: TimeSpan.cs

返回一个表示指定分钟数的 TimeSpan，其中规范准确到最接近毫秒。

public:
 static TimeSpan FromMinutes(double value);

public static TimeSpan FromMinutes (double value);

static member FromMinutes : double -> TimeSpan

Public Shared Function FromMinutes (value As Double) As TimeSpan

参数

value: Double

分钟数，准确到最接近的毫秒。

TimeSpan

表示 value的对象。

例外

OverflowException

value 小于 TimeSpan.MinValue 或大于 TimeSpan.MaxValue。

-或-

value PositiveInfinity。

-或-

value NegativeInfinity。

ArgumentException

value 等于 NaN。

示例

以下示例使用 FromMinutes 方法创建多个 TimeSpan 对象。

// Example of the TimeSpan::FromMinutes( double ) method.
using namespace System;
void GenTimeSpanFromMinutes( double minutes )
{
   
   // Create a TimeSpan object and TimeSpan string from 
   // a number of minutes.
   TimeSpan interval = TimeSpan::FromMinutes( minutes );
   String^ timeInterval = interval.ToString();
   
   // Pad the end of the TimeSpan string with spaces if it 
   // does not contain milliseconds.
   int pIndex = timeInterval->IndexOf( ':' );
   pIndex = timeInterval->IndexOf( '.', pIndex );
   if ( pIndex < 0 )
      timeInterval = String::Concat( timeInterval, "        " );

   Console::WriteLine( "{0,21}{1,26}", minutes, timeInterval );
}

int main()
{
   Console::WriteLine( "This example of TimeSpan::FromMinutes( double )\n"
   "generates the following output.\n" );
   Console::WriteLine( "{0,21}{1,18}", "FromMinutes", "TimeSpan" );
   Console::WriteLine( "{0,21}{1,18}", "-----------", "--------" );
   GenTimeSpanFromMinutes( 0.00001 );
   GenTimeSpanFromMinutes( 0.00002 );
   GenTimeSpanFromMinutes( 0.12345 );
   GenTimeSpanFromMinutes( 1234.56789 );
   GenTimeSpanFromMinutes( 12345678.98765 );
   GenTimeSpanFromMinutes( 0.01666 );
   GenTimeSpanFromMinutes( 1 );
   GenTimeSpanFromMinutes( 60 );
   GenTimeSpanFromMinutes( 1440 );
   GenTimeSpanFromMinutes( 30020.33667 );
}

/*
This example of TimeSpan::FromMinutes( double )
generates the following output.

          FromMinutes          TimeSpan
          -----------          --------
                1E-05          00:00:00.0010000
                2E-05          00:00:00.0010000
              0.12345          00:00:07.4070000
           1234.56789          20:34:34.0730000
       12345678.98765     8573.09:18:59.2590000
              0.01666          00:00:01
                    1          00:01:00
                   60          01:00:00
                 1440        1.00:00:00
          30020.33667       20.20:20:20.2000000
*/

// Example of the TimeSpan.FromMinutes( double ) method.
using System;

class FromMinutesDemo
{
    static void GenTimeSpanFromMinutes( double minutes )
    {
        // Create a TimeSpan object and TimeSpan string from 
        // a number of minutes.
        TimeSpan    interval = TimeSpan.FromMinutes( minutes );
        string      timeInterval = interval.ToString( );

        // Pad the end of the TimeSpan string with spaces if it 
        // does not contain milliseconds.
        int pIndex = timeInterval.IndexOf( ':' );
        pIndex = timeInterval.IndexOf( '.', pIndex );
        if( pIndex < 0 )   timeInterval += "        ";

        Console.WriteLine( "{0,21}{1,26}", minutes, timeInterval );
    } 

    static void Main( )
    {
        Console.WriteLine(
            "This example of TimeSpan.FromMinutes( double )\n" +
            "generates the following output.\n" );
        Console.WriteLine( "{0,21}{1,18}",
            "FromMinutes", "TimeSpan" );
        Console.WriteLine( "{0,21}{1,18}", 
            "-----------", "--------" );

        GenTimeSpanFromMinutes( 0.00001 );
        GenTimeSpanFromMinutes( 0.00002 );
        GenTimeSpanFromMinutes( 0.12345 );
        GenTimeSpanFromMinutes( 1234.56789 );
        GenTimeSpanFromMinutes( 12345678.98765 );
        GenTimeSpanFromMinutes( 0.01666 );
        GenTimeSpanFromMinutes( 1 );
        GenTimeSpanFromMinutes( 60 );
        GenTimeSpanFromMinutes( 1440 );
        GenTimeSpanFromMinutes( 30020.33667 );
    } 
} 

/*
This example of TimeSpan.FromMinutes( double )
generates the following output.

          FromMinutes          TimeSpan
          -----------          --------
                1E-05          00:00:00.0010000
                2E-05          00:00:00.0010000
              0.12345          00:00:07.4070000
           1234.56789          20:34:34.0730000
       12345678.98765     8573.09:18:59.2590000
              0.01666          00:00:01
                    1          00:01:00
                   60          01:00:00
                 1440        1.00:00:00
          30020.33667       20.20:20:20.2000000
*/

// Example of the TimeSpan.FromMinutes( double ) method.
open System

let genTimeSpanFromMinutes minutes =
    // Create a TimeSpan object and TimeSpan string from 
    // a number of minutes.
    let interval = TimeSpan.FromMinutes minutes
    let timeInterval = string interval

    // Pad the end of the TimeSpan string with spaces if it 
    // does not contain milliseconds.
    let pIndex = timeInterval.IndexOf ':'
    let pIndex = timeInterval.IndexOf('.', pIndex)
    let timeInterval =
        if pIndex < 0 then timeInterval + "        "
        else timeInterval

    printfn $"{minutes,21}{timeInterval,26}"

printfn "This example of TimeSpan.FromMinutes( double )\ngenerates the following output.\n"
printfn "%21s%18s" "FromMinutes" "TimeSpan"
printfn "%21s%18s" "-----------" "--------"

genTimeSpanFromMinutes 0.00001
genTimeSpanFromMinutes 0.00002
genTimeSpanFromMinutes 0.12345
genTimeSpanFromMinutes 1234.56789
genTimeSpanFromMinutes 12345678.98765
genTimeSpanFromMinutes 0.01666
genTimeSpanFromMinutes 1
genTimeSpanFromMinutes 60
genTimeSpanFromMinutes 1440
genTimeSpanFromMinutes 30020.33667

(*
This example of TimeSpan.FromMinutes( double )
generates the following output.

          FromMinutes          TimeSpan
          -----------          --------
                1E-05          00:00:00.0010000
                2E-05          00:00:00.0010000
              0.12345          00:00:07.4070000
           1234.56789          20:34:34.0730000
       12345678.98765     8573.09:18:59.2590000
              0.01666          00:00:01
                    1          00:01:00
                   60          01:00:00
                 1440        1.00:00:00
          30020.33667       20.20:20:20.2000000
*)

' Example of the TimeSpan.FromMinutes( Double ) method.
Module FromMinutesDemo

    Sub GenTimeSpanFromMinutes( minutes As Double )

        ' Create a TimeSpan object and TimeSpan string from 
        ' a number of minutes.
        Dim interval As TimeSpan = _
            TimeSpan.FromMinutes( minutes )
        Dim timeInterval As String = interval.ToString( )

        ' Pad the end of the TimeSpan string with spaces if it 
        ' does not contain milliseconds.
        Dim pIndex As Integer = timeInterval.IndexOf( ":"c )
        pIndex = timeInterval.IndexOf( "."c, pIndex )
        If pIndex < 0 Then   timeInterval &= "        "

        Console.WriteLine( "{0,21}{1,26}", minutes, timeInterval )
    End Sub 

    Sub Main( )

        Console.WriteLine( "This example of " & _
            "TimeSpan.FromMinutes( Double )" & _
            vbCrLf & "generates the following output." & vbCrLf )
        Console.WriteLine( "{0,21}{1,18}", _
            "FromMinutes", "TimeSpan" )    
        Console.WriteLine( "{0,21}{1,18}", _
            "-----------", "--------" )    

        GenTimeSpanFromMinutes( 0.00001 )
        GenTimeSpanFromMinutes( 0.00002 )
        GenTimeSpanFromMinutes( 0.12345 )
        GenTimeSpanFromMinutes( 1234.56789 )
        GenTimeSpanFromMinutes( 12345678.98765 )
        GenTimeSpanFromMinutes( 0.01666 )
        GenTimeSpanFromMinutes( 1 )
        GenTimeSpanFromMinutes( 60 )
        GenTimeSpanFromMinutes( 1440 )
        GenTimeSpanFromMinutes( 30020.33667 )
    End Sub 
End Module 

' This example of TimeSpan.FromMinutes( Double )
' generates the following output.
' 
'           FromMinutes          TimeSpan
'           -----------          --------
'                 1E-05          00:00:00.0010000
'                 2E-05          00:00:00.0010000
'               0.12345          00:00:07.4070000
'            1234.56789          20:34:34.0730000
'        12345678.98765     8573.09:18:59.2590000
'               0.01666          00:00:01
'                     1          00:01:00
'                    60          01:00:00
'                  1440        1.00:00:00
'           30020.33667       20.20:20:20.2000000

注解

value 参数转换为毫秒，该毫秒转换为时钟周期，并且该时钟周期数用于初始化新的 TimeSpan。因此，value 仅被视为最接近毫秒的准确值。请注意，由于 Double 数据类型的精度损失，此转换可以为接近但仍处于 MinValue 或 MaxValue范围内的值生成 OverflowException。例如，这会导致以下尝试实例化 TimeSpan 对象 OverflowException。

// The following throws an OverflowException at runtime
TimeSpan maxSpan = TimeSpan.FromMinutes(TimeSpan.MaxValue.TotalMinutes);

// The following throws an OverflowException at runtime
let maxSpan = TimeSpan.FromMinutes TimeSpan.MaxValue.TotalMinutes

' The following throws an OverflowException at runtime
Dim maxSpan As TimeSpan = TimeSpan.FromMinutes(TimeSpan.MaxValue.TotalMinutes)

另请参阅

适用于

FromMinutes(Int64)

将 TimeSpan 结构的新实例初始化为指定的分钟数。

public:
 static TimeSpan FromMinutes(long minutes);

public static TimeSpan FromMinutes (long minutes);

static member FromMinutes : int64 -> TimeSpan

Public Shared Function FromMinutes (minutes As Long) As TimeSpan

参数

minutes: Int64

分钟数。

TimeSpan

返回表示指定分钟数的 TimeSpan。

例外

ArgumentOutOfRangeException

参数指定小于 MinValue 或大于 MaxValue 的 TimeSpan 值

适用于

FromMinutes(Int64, Int64, Int64, Int64)

将 TimeSpan 结构的新实例初始化为指定的分钟数、秒数、毫秒数和微秒数。

public static TimeSpan FromMinutes (long minutes, long seconds = 0, long milliseconds = 0, long microseconds = 0);

static member FromMinutes : int64 * int64 * int64 * int64 -> TimeSpan

Public Shared Function FromMinutes (minutes As Long, Optional seconds As Long = 0, Optional milliseconds As Long = 0, Optional microseconds As Long = 0) As TimeSpan

参数

minutes: Int64

分钟数。

seconds: Int64

秒数。

milliseconds: Int64

毫秒数。

microseconds: Int64

微秒数。

TimeSpan

返回一个 TimeSpan，表示指定的分钟数、秒数、毫秒数和微秒数。

例外

ArgumentOutOfRangeException

参数指定小于 MinValue 或大于 MaxValue 的 TimeSpan 值

适用于

通过

TimeSpan.FromMinutes 方法

定义

重载

FromMinutes(Double)

参数

返回

例外

示例

注解

另请参阅

适用于

FromMinutes(Int64)

参数

返回

例外

适用于

FromMinutes(Int64, Int64, Int64, Int64)

参数

返回

例外

适用于

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