26.HashTable类

 1     class Program
 2     {
 3         void Test()
 4         {
 5             Hashtable ht = new Hashtable();
 6             ht.Add("liu", "现在是刘先生的个人信息");
 7             ht.Add("zhang", "现在是张先生的个人信息");
 8             ht.Add("wang", "现在是王先生的个人信息");
 9             ht.Add("lu", "现在是卢先生的个人信息");
10 
11             //查找
12             //Console.WriteLine(ht["lu"]);
13 
14             //遍历（遍历所有的“键”，输出“键”）
15             foreach (var item in ht.Keys)
16             {
17                 Console.WriteLine(item);
18             }
19             //遍历（遍历所有的“值”，输出“值”）
20             foreach (var item in ht.Values)
21             {
22                 Console.WriteLine(item);
23             }
24         }
25         static void Main(string[] args)
26         {
27             Program b = new Program();
28             b.Test();
29             Console.ReadKey();
30         }
31     }

 1 namespace ProgramTast1
 2 {
 3     /// <summary>
 4     /// 定义Person类，初始化字段
 5     /// </summary>
 6     public class Person
 7     {
 8         private string _strName;
 9         private int _intHeight;
10         private int _intWeight;
11 
12         //构造函数
13         public Person(string name,int height,int weight)
14         {
15             _strName = name;
16             _intHeight = height;
17             _intWeight = weight;
18         }
19         //属性
20         public string StrName
21         {
22             get
23             {
24                 return _strName;
25             }
26 
27             set
28             {
29                 _strName = value;
30             }
31         }
32 
33         public int IntHeight
34         {
35             get
36             {
37                 return _intHeight;
38             }
39 
40             set
41             {
42                 _intHeight = value;
43             }
44         }
45 
46         public int IntWeight
47         {
48             get
49             {
50                 return _intWeight;
51             }
52 
53             set
54             {
55                 _intWeight = value;
56             }
57         }
58     }
59     /// <summary>
60     /// 应用键值对调用对象
61     /// </summary>
62     class Program
63     {
64         void Test()
65         {
66             Hashtable ht = new Hashtable();
67 
68             //实例化对象
69             Person per1 = new Person("刘先生", 175, 60);
70             Person per2 = new Person("张先生", 185, 80);
71             Person per3 = new Person("王先生", 165, 65);
72             Person per4 = new Person("卢先生", 190, 70);
73             
74             //一般“键”为字符串；“值”为对象。输入字符串显示对象
75             ht.Add("liu", per1);
76             ht.Add("zhang", per2);
77             ht.Add("wang", per3);
78             ht.Add("lu", per4);
79 
80             //遍历（遍历所有的“值”）
81             foreach (Person perObj in ht.Values)
82             {
83                 Console.WriteLine();
84                 Console.WriteLine(perObj.StrName);
85                 Console.WriteLine(perObj.IntHeight);
86                 Console.WriteLine(perObj.IntWeight);
87             }
88         }
89         static void Main(string[] args)
90         {
91             Program b = new Program();
92             b.Test();
93             Console.ReadKey();
94         }
95     }
96 }