1.C# -- Switch 用法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
    class Program
{
        static void Main(string[] args)
{
            const string myName = "karli";
            const string sexyName = "angelina";
            const string sillyName = "karli2";
            string name;
            Console.WriteLine("what‘s your name?");
            name = Console.ReadLine();
            switch (name.ToLower())
{
                case myName:
                    Console.WriteLine("You have the same name as me!");
                    break;
                case sexyName:
                    Console.WriteLine("My, what a sexy name you have!");
                    break;
                case sillyName:
                    Console.WriteLine("That‘s a very silly name!");
                    break;
}
            Console.WriteLine("Hello {0}! ",name);
            Console.ReadKey();
}
}
}

运行结果：