71 lines
1.7 KiB
C#
71 lines
1.7 KiB
C#
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using System;
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using System.Collections;
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using System.Security.Cryptography.X509Certificates;
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using System.Threading;
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namespace Lesson4_Hashtable练习题
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{
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//因为一般管理器都是唯一的，所以做成单例模式的对象
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class MonsterMgr
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{
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private static MonsterMgr instance = new MonsterMgr();
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private Hashtable monstersTable = new Hashtable();
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private MonsterMgr()
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{
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}
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public static MonsterMgr Instance
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{
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get
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{
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return instance;
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}
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}
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private int monsterID = 0;
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public void AddMonster()
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{
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Monster monster = new Monster(monsterID);
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Console.WriteLine("创建了怪物"+monsterID);
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monsterID++;
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monstersTable.Add(monster.id, monster);
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}
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public void DeleteMonster(int monsterID)
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{
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if (monstersTable.ContainsKey(monsterID))
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{
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(monstersTable[monsterID] as Monster).Dead();
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monstersTable.Remove(monsterID);
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}
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}
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}
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class Monster
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{
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public int id;
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public Monster(int id)
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{
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this.id = id;
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}
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public void Dead()
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{
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Console.WriteLine("怪物"+id+"死亡");
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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MonsterMgr.Instance.AddMonster();
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MonsterMgr.Instance.AddMonster();
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MonsterMgr.Instance.AddMonster();
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MonsterMgr.Instance.AddMonster();
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MonsterMgr.Instance.AddMonster();
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MonsterMgr.Instance.DeleteMonster(0);
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MonsterMgr.Instance.DeleteMonster(3);
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}
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}
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}
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