using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace _9.索引
{
class Program
{
static void Main(string[] args)
{
int[] values = { 3,5,7,9};
int i = values[1];
Person p1 = new Person();
p1[1] = "小明";
Console.WriteLine(p1[1]+p1[2]);
Console.WriteLine(p1["tom",3,9]);//索引也可以重载。
Console.ReadKey();
}
}
class Person
{
private string FirstName="大毛";
private string SecondName="二毛";
public string this[string name, int x, int y]
{
get
{
return name + x + y;
}
}
public string this[int index]//中括号里的就是索引。
{
get
{
if (index == 1)
{
return FirstName;
}
else if (index == 2)
{
return SecondName;
}
else
{
throw new Exception("这是个错误的序号啊亲！");
}
}
set
{
if (index == 1)
{
FirstName = value;
}
else if (index == 2)
{
SecondName = value;
}
else
{
throw new Exception("这是个错误的序号啊亲！");
}
}
}
}
}