標(biāo)題: 重載流運(yùn)算符 [打印本頁(yè)]

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作者: 51黑bing    時(shí)間: 2016-3-22 20:02
標(biāo)題: 重載流運(yùn)算符
本帖最后由 51黑bing 于 2016-3-22 20:03 編輯

#pragma once

#include "../inc/Matrix.h"
#include<iostream>

using namespace std;

class Matrix
{
public:
friend ostream& operator <<(ostream & out, Matrix& m);
friend istream& operator >>(istream & in, Matrix& m);
private:
int array[9];
};

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#include "../inc/Matrix.h"

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1. #include <iostream>
   
2. #include "../inc/Matrix.h"
   
3. 
   
4. using namespace std;
   
5. 
   
6. //定義全局函數(shù)，并且聲明為Matrix的友元
   
7. ostream& operator <<(ostream & out, Matrix& m)
   
8. {
   
9. cout << "數(shù)組的數(shù)據(jù)為：" << endl;
   
10. int i = 0;
    
11. for (; i < 3; i++)
    
12. {
    
13. out << m.array[i] << "  ";
    
14. }
    
15. cout << endl;
    
16. for (i = 3; i < 6; i++)
    
17. {
    
18. out << m.array[i] << "  ";
    
19. }
    
20. cout << endl;
    
21. for (i = 6; i < 9; i++)
    
22. {
    
23. out << m.array[i] << "  ";
    
24. }
    
25. cout << endl;
    
26. return out;
    
27. }
    
28. istream& operator >>(istream & in, Matrix& m)
    
29. {
    
30. cout << "請(qǐng)輸入數(shù)組的數(shù)據(jù)，每輸入一個(gè)請(qǐng)按回車(chē)按鍵確認(rèn)。" << endl;
    
31. for (int i = 0; i < 9; i++)
    
32. {
    
33. in >> m.array[i];
    
34. }
    
35. return in;
    
36. }
    
37. 
    
38. int main()
    
39. {
    
40. Matrix m;
    
41. cin >> m;
    
42. cout << m;
    
43. return 0;
    
44. }

復(fù)制代碼

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結(jié)果：

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