原文发布时间为:2009-11-04 —— 来源于本人的百度文章 [由搬家工具导入]
using System;
using System.Web.UI.WebControls;
using System.Collections.Generic;
public partial class _Default : System.Web.UI.Page
{
     protected void Page_Load(object sender, EventArgs e)
     {
         Content content = new Content();
         Response.Write(content.Fruit(2));
         Response.Write("<br/>");
         Response.Write(content.Fruit(4));
     }
}
public class Content
{
     private Dictionary<int, string> fruit = new Dictionary<int, string>();
     public Content()
     {
         this.fruit.Add(1, "香蕉");
         this.fruit.Add(2, "苹果");
     }
     public string Fruit(int key)
     {
         if (fruit.ContainsKey(key))
         {
             return fruit[key];
         }
         else
         {
             return "未知水果";
         }
     }
}
原文:http://www.cnblogs.com/handboy/p/7158354.html