1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 using System.Collections;
8
9 namespace day01
10 {
11 class Class27
12 {
13 static void Main(string[] args)
14 {
15 Cat catDictionary = new Cat();
16 catDictionary.Add("1001", new Cat("zhangsan"));
17 catDictionary.Add("1002", new Cat("lisi"));
18 catDictionary.Add("1003", new Cat("wangwu"));
19
20 foreach(DictionaryEntry entry in catDictionary)
21 {
22 Console.WriteLine("{0} {1}", entry.Value.ToString(), ((Animal)entry.Value).Name);
23 }
24
25 Console.WriteLine(catDictionary["1003"].ToString());
26 Console.WriteLine(catDictionary["1003"].Name);
27 Console.ReadKey();
28 }
29 }
30 public abstract class Animal : DictionaryBase
31 {
32 protected string name;
33 public string Name { get; set; }
34 public Animal()
35 {
36 Name = "default";
37 }
38 public Animal(string name)
39 {
40 Name = name;
41 }
42 public abstract void Run();
43 public abstract void Sleep();
44 public override string ToString()
45 {
46 return "name: " + Name;
47 }
48 public void Add(string newId,Animal animal)
49 {
50 Dictionary.Add(newId, animal);
51 }
52 public void Remove(string newId)
53 {
54 Dictionary.Remove(newId);
55 }
56 public Animal this[string newId]
57 {
58 get
59 {
60 return (Animal)Dictionary[newId];
61 }
62 set
63 {
64 Dictionary[newId] = value;
65 }
66 }
67 }
68 public class Cat : Animal
69 {
70 //这个构造器该怎么理解？
71 public Cat()
72 {
73
74 }
75 public Cat(string name) : base(name)
76 {
77
78 }
79 public override void Run()
80 {
81 Console.WriteLine("animal name: {0} is running", Name);
82 }
83
84 public override void Sleep()
85 {
86 Console.WriteLine("animal name: {0} is sleeping", Name);
87 }
88 }
89 }
