随便写点什么

  1 /// <summary>
  2     /// 业务经理
  3     /// </summary>
  4     public class Manager
  5     {
  6         private static Manager _singleManager;
  7         private Manager()
  8         {
  9         }
 10         public static Manager GetSingelManager()
 11         {
 12             if (_singleManager == null)
 13                 _singleManager = new Manager();
 14             return _singleManager;
 15         }
 16         public void UpLevel(User user)
 17         {
 18             if (user.Key.UserType == CardType.Gold)
 19             {
 20                 Console.WriteLine(user.UserName + ":已经是Gold用户");
 21                 return;
 22             }
 23             user.Key.UserType += 1;
 24             Console.WriteLine(user.UserName + ":升级为" + user.Key.UserType);
 25         }
 26         public void DownLevel(User user)
 27         {
 28             if (user.Key.UserType == CardType.Gold)
 29             {
 30                 user.Key.UserType -= 1;
 31                 Console.WriteLine(user.UserName + ":已经降级为" + user.Key.UserType);
 32                 return;
 33             }
 34             Console.WriteLine(user.UserName + ":已经是最低" + user.Key.UserType + "用户");
 35         }
 36     }
 37     /// <summary>
 38     /// 卡片类型
 39     /// </summary>
 40     public enum CardType
 41     {
 42         Sliver,
 43         Gold,
 44     }
 45     /// <summary>
 46     /// 用户key
 47     /// </summary>
 48     public class Key
 49     {
 50         public CardType UserType { get; set; }
 51         public string SoleString { get; private set; }//Key的唯一标识
 52         public Key(CardType e, string soleString)
 53         {
 54             UserType = e;
 55             SoleString = soleString;
 56         }
 57         public override string ToString()
 58         {
 59             return UserType+":"+SoleString;
 60         }
 61     }
 62     /// <summary>
 63     /// 用户获取、提交数据要实现的接口
 64     /// </summary>
 65     public interface IMyDataInterFace
 66     {
 67         string GetData();//获取数据
 68 
 69         bool PostData(string message);//提交数据
 70     }
 71     /// <summary>
 72     /// 用户类
 73     /// </summary>
 74     public class User : IMyDataInterFace
 75     {
 76         public Key Key { get; private set; }
 77         public string UserName { get; private set; }
 78         public MyServer Server { get; private set; }
 79         /// <summary>
 80         /// 初始化用户，绑定服务器
 81         /// </summary>
 82         /// <param name="key"></param>
 83         /// <param name="userName"></param>
 84         /// <param name="server"></param>
 85         public User(Key key, string userName,MyServer server)
 86         {
 87             Key = key;
 88             UserName = userName;
 89             this.Server = server;
 90         }
 91         public string GetData()
 92         {
 93             return Server.GetMessage(Key);
 94         }
 95         public bool PostData(string message)
 96         {
 97             if (Server.PostMessge(Key, message))
 98             {
 99                 Console.WriteLine("成功提交数据");
100                 return true;
101             }
102             Console.WriteLine("提交数据失败");
103             return false;
104         }
105     }
106     /// <summary>
107     /// 服务类
108     /// </summary>
109     public class MyServer
110     {
111         private static MyServer _SingleServer;
112         public  Dictionary<Key, string> Dictionary { get; private set; }
113         private MyServer()
114         {
115         }
116         public static MyServer GetSingleServer()
117         {
118             if (_SingleServer==null)
119                 _SingleServer=new MyServer {Dictionary = new Dictionary<Key, string>()};
120             return _SingleServer;
121         }
122 
123         public string GetMessage(Key key)
124         {
125             var result = string.Empty;
126             try
127             {
128                 if(key.UserType==CardType.Gold)
129                    result ="GoleUser:"+ Dictionary[key];
130                 else
131                 {
132                     result = "SliverUser:" + Dictionary[key];
133                 }
134                 return result;
135             }
136             catch (Exception)
137             {
138                 Console.WriteLine(key+"->不存在");//怎么返回key对应的用户
139                 return null;
140             }
141             
142         }
143         public bool PostMessge(Key key, string message)
144         {
145             try
146             {
147                 Dictionary[key] = message;
148                 return true;
149             }
150             catch (Exception)
151             {
152                 return false;
153             }
154         }
155     }
156     class Program
157     {
158         static  void Main(string[] args)
159         {
160             var server = MyServer.GetSingleServer();
161             var manager = Manager.GetSingelManager();
162 
163             var key=new Key(CardType.Gold,"33520");
164             var user1 = new User(key, "张三",server);
165             
166             var postSuccess=user1.PostData("hello");
167             Console.WriteLine(user1.GetData()); 
168 
169             manager.DownLevel(user1);
170             Console.WriteLine(user1.Key.UserType); 
171 
172         }
173     }