自定义类类型之间互相转换 

 1 /* 自定义类类型之间互相转换 */
 2 
 3 #include<iostream>
 4 
 5 using namespace std;
 6 
 7 // complex -> area
 8 // area -> complex
 9 
10 class area
11 {
12 public:
13     double x;
14     double y;
15     
16     area()
17     {
18     
19     }
20 
21     area(double a,double b):x(a),y(b)
22     {
23     
24     }
25 };
26 
27 class complex
28 {
29 public:
30     int x;
31     int y;
32     
33     complex()
34     {
35     
36     }
37 
38     complex(const area & ar)// area 转换为本类型
39     {
40         cout << "构造" << endl;
41         this->x = ar.x;
42         this->y - ar.y;
43     }
44 
45     void operator =(const area & ar)// area 转换为本类型
46     {
47         cout << "重载" << endl;
48         this->x = ar.x;
49         this->y - ar.y;
50     }
51 
52     operator area()// 完成了本类型转换为area
53     {
54         area temp;
55         temp.x = this->x;
56         temp.y = this->y;
57         return temp;
58     }
59 };
60 
61 void main()
62 {
63     area ar(10.9,8.9);
64     //complex com1 = ar;// 调用构造
65 
66     complex com1;
67     com1 = ar;// 调用重载
68 
69     cout << com1.x << "  " << com1.y << endl;
70     
71     ar = com1;
72 
73     cout << ar.x << "  " << ar.y << endl;
74 
75     cin.get();
76 }

 

posted on 2015-06-08 09:44  Dragon-wuxl  阅读(210)  评论(0)    收藏  举报

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