program.cs

来自「csharp课本的源代码」· CS 代码 · 共 37 行

using System;
using System.Collections.Generic;
using System.Text;

namespace IfExample
{
    class Program
    {
        static void Main()
        {
            Console.Write("Please input a number as x:");
            string i = Console.ReadLine();
            int x = Convert.ToInt32(i);
            int y;
            if (x > 0)
            {
                y = 1;
            }
            else
            {
                if (x == 0)
                {
                    y = 0;
                }
                else
                {
                    y = -1;
                }
            }
            Console.WriteLine("The result of y is {0}.", y);
            //按回车键结束
            Console.ReadLine();

        }
    }
}