Question

C#语言System.FormatException:"输入字符串的格式不正确

class Program { public static void Main(string[] args) { int result = 0; Console.Write("请输入x的值:"); int input = int.Parse(Console.ReadLine()); result = Result(input); Console.WriteLine("y的结果为: { 0}", result); Console.ReadKey(); } public static int Result(int x) { if (x > 0) { return x + 3; } else if (x < 0) { return x * x - 1; } else { return 0; } }

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Answer 1

{0}里面的空格去掉