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法学C# 中的 TimeSpan.Subtract() 方法
C# 中的 TimeSpan.Subtract() 方法返回一个新的 TimeSpan 对象，其值为指定的 TimeSpan 对象和该实例之间的差值。
语法
语法如下 −
public TimeSpan Subtract (TimeSpan span);
以上，参数 span 是要减去的时段。
示例
我们来看一个示例 −
using System;
public class Demo {
public static void Main(){
TimeSpan span1 = TimeSpan.FromTicks(1);
TimeSpan span2 = new TimeSpan(1);
TimeSpan span3 = TimeSpan.FromHours(1);
TimeSpan span4 = TimeSpan.FromMilliseconds(1);
TimeSpan span5 = TimeSpan.FromMinutes(1);
TimeSpan span6 = TimeSpan.FromMinutes(1);
Console.WriteLine("TimeSpan1 = "+span1);
Console.WriteLine("TimeSpan2 = "+span2);
Console.WriteLine("TimeSpan3 = "+span3);
Console.WriteLine("TimeSpan4 = "+span4);
Console.WriteLine("TimeSpan5 = "+span5);
Console.WriteLine("Result (Comparison of span1 and span2) = "+TimeSpan.Compare(span1, span2));
Console.WriteLine("Result (Comparison of span2 and span3) = "+TimeSpan.Compare(span2, span3));
Console.WriteLine("Result (Comparison of span1 and span3) = "+TimeSpan.Compare(span1, span3));
Console.WriteLine("Result (Comparison of span3 and span4) = "+TimeSpan.Compare(span3, span4));
Console.WriteLine("Result (Comparison of span4 and span5) = "+TimeSpan.Compare(span4, span5));
TimeSpan res1 = span1.Subtract(span2);
TimeSpan res2 = span2.Subtract(span2);
Console.WriteLine("Result = "+res1);
Console.WriteLine("Result = "+res2);
}
}输出
将产生以下输出 −
TimeSpan1 = 00:00:00.0000001 TimeSpan2 = 00:00:00.0000001 TimeSpan3 = 01:00:00 TimeSpan4 = 00:00:00.0010000 TimeSpan5 = 00:01:00 Result (Comparison of span1 and span2) = 0 Result (Comparison of span2 and span3) = -1 Result (Comparison of span1 and span3) = -1 Result (Comparison of span3 and span4) = 1 Result (Comparison of span4 and span5) = -1 Result = 00:00:00 Result = 00:00:00
示例
我们来看另一个示例 −
using System;
public class Demo {
public static void Main(){
TimeSpan span1 = TimeSpan.FromTicks(1500);
TimeSpan span2 = new TimeSpan(2, 40, 55);
TimeSpan span3 = TimeSpan.FromHours(5);
TimeSpan span4 = TimeSpan.FromMilliseconds(1000);
TimeSpan span5 = TimeSpan.FromMinutes(50);
TimeSpan span6 = TimeSpan.FromMinutes(50);
Console.WriteLine("TimeSpan1 = "+span1);
Console.WriteLine("TimeSpan2 = "+span2);
Console.WriteLine("TimeSpan3 = "+span3);
Console.WriteLine("TimeSpan4 = "+span4);
Console.WriteLine("TimeSpan5 = "+span5);
Console.WriteLine("Result (Comparison of span1 and span2) = "+TimeSpan.Compare(span1, span2));
Console.WriteLine("Result (Comparison of span2 and span3) = "+TimeSpan.Compare(span2, span3));
Console.WriteLine("Result (Comparison of span1 and span3) = "+TimeSpan.Compare(span1, span3));
Console.WriteLine("Result (Comparison of span3 and span4) = "+TimeSpan.Compare(span3, span4));
Console.WriteLine("Result (Comparison of span4 and span5) = "+TimeSpan.Compare(span4, span5));
TimeSpan res1 = span1.Subtract(span2);
TimeSpan res2 = span2.Subtract(span2);
Console.WriteLine("Result = "+res1);
Console.WriteLine("Result = "+res2);
}
}输出
将产生以下输出 −
TimeSpan1 = 00:00:00.0001500 TimeSpan2 = 02:40:55 TimeSpan3 = 05:00:00 TimeSpan4 = 00:00:01 TimeSpan5 = 00:50:00 Result (Comparison of span1 and span2) = -1 Result (Comparison of span2 and span3) = -1 Result (Comparison of span1 and span3) = -1 Result (Comparison of span3 and span4) = 1 Result (Comparison of span4 and span5) = -1 Result = -02:40:54.9998500 Result = 00:00:00
更新于： 2019 年 12 月 3 日
949 次浏览
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