C#中,怎么判断从键盘输入的是整数还是小数?

2025-04-25 15:10:42
推荐回答(1个)
回答1:

public static void Main(string[]args)
{
double num = 0.0;
Console.WriteLine("输入一个数字:");
num = Convert.ToDouble(Console.ReadLine()); if (num == (int)num)
{
Console.WriteLine("是整数");
}
else
{
Console.WriteLine("是小数");
} }