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法学C# 中的 Decimal.Round() 方法
C# 中的 Decimal.Round() 方法用于将值舍入到最接近的整数或指定位数的小数。
语法
以下是语法 -
public static decimal Round (decimal d); public static decimal Round (decimal d, int decimals); public static decimal Round (decimal d, MidpointRounding mode); public static decimal Round (decimal d, int decimals, MidpointRounding mode);
示例
现在，让我们看一个实现 Decimal.Round() 方法的示例 -
using System;
public class Demo {
public static void Main(){
Decimal val1 = 9.00m;
Decimal val2 = 15.29m;
Decimal val3 = 394949845.14245M;
Console.WriteLine("Decimal 1 = "+val1);
Console.WriteLine("Decimal 2 = "+val2);
Console.WriteLine("Decimal 2 = "+val2);
Console.WriteLine("Remainder = "+(Decimal.Remainder(val1,val2)));
Console.WriteLine("Value 1 (Rounded) = "+(Decimal.Round(val1)));
Console.WriteLine("Value 2 (Rounded) = "+(Decimal.Round(val2)));
Console.WriteLine("Value 3 (Rounded) = "+(Decimal.Round(val3)));
}
}输出
这将产生以下输出 -
Decimal 1 = 9.00 Decimal 2 = 15.29 Decimal 2 = 15.29 Remainder = 9.00 Value 1 (Rounded) = 9 Value 2 (Rounded) = 15 Value 3 (Rounded) = 394949845
示例
现在，让我们看另一个实现 Decimal.Round() 方法的示例 -
using System;
public class Demo {
public static void Main(){
Decimal val1 = 6.59m;
Decimal val2 = 30.12m;
Decimal val3 = 6946649845.25245M;
Console.WriteLine("Decimal 1 = "+val1);
Console.WriteLine("Decimal 2 = "+val2);
Console.WriteLine("Decimal 2 = "+val2);
Console.WriteLine("Remainder = "+(Decimal.Remainder(val1,val2)));
Console.WriteLine("Value 1 (Rounded) = "+(Decimal.Round(val1,1)));
Console.WriteLine("Value 2 (Rounded) = "+(Decimal.Round(val2,1)));
Console.WriteLine("Value 3 (Rounded) = "+(Decimal.Round(val3,2)));
}
}输出
这将产生以下输出 -
Decimal 1 = 6.59 Decimal 2 = 30.12 Decimal 2 = 30.12 Remainder = 6.59 Value 1 (Rounded) = 6.6 Value 2 (Rounded) = 30.1 Value 3 (Rounded) = 6946649845.25
更新时间：2019-11-13
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