小数。C# 中的 ToSByte()方法
原文:https://www . geesforgeks . org/decimal-tosbyte-method in-c-sharp/
此方法用于将指定的十进制值转换为等效的 8 位有符号整数。用户还可以使用显式赋值运算符将十进制值转换为 8 位整数。
语法:公共静态字节 ToSByte(十进制值);
这里值是要转换的十进制数。
返回值:返回一个 8 位有符号整数,相当于指定的值。
异常:如果指定值小于最小值或大于最大值,此方法将给出overoverover Exception。
以下程序说明了上述方法的使用:
例 1:
// C# program to demonstrate the
// Decimal.ToSByte() Method
using System;
class GFG {
// Main Method
public static void Main()
{
try {
// Taking decimal variables
Decimal dec1 = 127.5555M;
Decimal dec2 = 04.2996m;
// using Decimal.ToSByte(Decimal) Method
sbyte val1 = Decimal.ToSByte(dec1);
// using Decimal.ToSByte(Decimal) Method
sbyte val2 = Decimal.ToSByte(dec2);
// Printing the SByte value
Console.WriteLine("The SByte value "
+ "is : {0}", val1);
// Printing the SByte value
Console.WriteLine("The SByte value "
+ "is : {0}",val2);
}
catch (OverflowException e)
{
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
Output:
The SByte value is : 127
The SByte value is : 4
例 2:
// C# program to demonstrate the
// Decimal.ToSByte() Method
using System;
class GFG {
// Main Method
public static void Main()
{
try {
// taking a decimal number
// above the range of SByte
Decimal dec1 = 129M;
// Taking the maximum value
// of Decimal
Decimal dec2 = Decimal.MaxValue;
// using Decimal.ToSByte(Decimal) Method
// It will give error as decimal number
// is above the range of SByte
sbyte val1 = Decimal.ToSByte(dec1);
// using Decimal.SByte(Decimal) Method
// It will give error as Decimal.MaxValue
// value is out of range from SByte
int val2 = Decimal.ToSByte(dec2);
// Printing the SByte value
Console.WriteLine("The SByte value "
+ "is : {0}",val1);
// Printing the SByte value
Console.WriteLine("The SByte value "
+ "is : {0}", val2);
}
catch (OverflowException e)
{
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
Output:
Exception Thrown: System.OverflowException
参考:
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