TimeSpan.Compare(TimeSpan, TimeSpan) 方法
定义
重要
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比较两个 TimeSpan 值，并返回一个整数，该整数指示第一个值是短于、等于还是长于第二个值。
public:
static int Compare(TimeSpan t1, TimeSpan t2);public static int Compare (TimeSpan t1, TimeSpan t2);static member Compare : TimeSpan * TimeSpan -> intPublic Shared Function Compare (t1 As TimeSpan, t2 As TimeSpan) As Integer参数
- t1
- TimeSpan
要比较的第一个时间间隔。
- t2
- TimeSpan
要比较的第二个时间间隔。
返回
以下值之一。
| “值” | 说明 |
|---|---|
| -1 | t1 短于 t2。
|
| 0 | t1 等于 t2。
|
| 1 | t1 长于 t2。
|
示例
下面的示例使用 Compare 方法将多个 TimeSpan 对象与 TimeSpan 值为2小时时间间隔的对象进行比较。
// Define a time interval equal to two hours.
TimeSpan baseInterval = new TimeSpan( 2, 0, 0);
// Define an array of time intervals to compare with
// the base interval.
TimeSpan[] spans = {
TimeSpan.FromSeconds(-2.5),
TimeSpan.FromMinutes(20),
TimeSpan.FromHours(1),
TimeSpan.FromMinutes(90),
baseInterval,
TimeSpan.FromDays(.5),
TimeSpan.FromDays(1)
};
// Compare the time intervals.
foreach (var span in spans) {
int result = TimeSpan.Compare(baseInterval, span);
Console.WriteLine("{0} {1} {2} (Compare returns {3})",
baseInterval,
result == 1 ? ">" : result == 0 ? "=" : "<",
span, result);
}
// The example displays the following output:
// 02:00:00 > -00:00:02.5000000 (Compare returns 1)
// 02:00:00 > 00:20:00 (Compare returns 1)
// 02:00:00 > 01:00:00 (Compare returns 1)
// 02:00:00 > 01:30:00 (Compare returns 1)
// 02:00:00 = 02:00:00 (Compare returns 0)
// 02:00:00 < 12:00:00 (Compare returns -1)
// 02:00:00 < 1.00:00:00 (Compare returns -1)
Public Module Example
Public Sub Main()
' Define a time interval equal to 2 hours.
Dim baseInterval As New TimeSpan( 2, 0, 0)
' Define an array of time intervals to compare with
' the base interval.
Dim spans() As TimeSpan = { TimeSpan.FromSeconds(-2.5),
TimeSpan.FromMinutes(20),
TimeSpan.FromHours(1),
TimeSpan.FromMinutes(90),
baseInterval,
TimeSpan.FromDays(.5),
TimeSpan.FromDays(1) }
' Compare the time intervals.
For Each span In spans
Dim result As Integer = TimeSpan.Compare(baseInterval, span)
Console.WriteLine("{0} {1} {2} (Compare returns {3})",
baseInterval,
If(result = 1, ">", If(result = 0, "=", "<")),
span, result)
Next
End Sub
End Module
' The example displays the following output:
' 02:00:00 > -00:00:02.5000000 (Compare return
' 02:00:00 > 00:20:00 (Compare returns 1
' 02:00:00 > 01:00:00 (Compare returns 1
' 02:00:00 > 01:30:00 (Compare returns 1
' 02:00:00 = 02:00:00 (Compare returns 0
' 02:00:00 < 12:00:00 (Compare returns -1
' 02:00:00 < 1.00:00:00 (Compare returns -1