1 #include <iostream>
2 using namespace std;
3 //通过成员函数重载+号
4 class Person
5 {
6 public:
7 Person operator+(Person &p)
8 {
9 Person temp;
10 temp.m_A = this->m_A + p.m_A;
11 temp.m_B = this->m_B + p.m_B
12 return p;
13 }
14 public:
15 int m_A;
16 int m_B;
17 };
18 int main()
19 {
20 Person p1;
21 Person p2;
22 Person p3;
23 p1.m_A = 10;
24 p1.m_B = 20;
25 p2.m_A = 30;
26 p2.m_B = 40;
27 p3 = p1 + p2;
28 cout<<p3.m_A<<endl;
29 cout<<p3.m_B<<endl;
30 return 0;
31 }
1 #include <iostream>
2 using namespace std;
3 //通过全局函数重载+号
4 class Person
5 {
6 public:
7 int m_A;
8 int m_B;
9 };
10 Person operator+(Person &p1,Person &p2)
11 {
12 Person temp;
13 temp.m_A = p1.m_A + p2.m_A;
14 temp.m_B = p1.m_B + p2.m_B;
15 return temp;
16 }
17 int main()
18 {
19 Person p1;
20 Person p2;
21 Person p3;
22 p1.m_A = 10;
23 p1.m_B = 20;
24 p2.m_A = 30;
25 p2.m_B = 40;
26 p3 = p1 + p2;
27 cout<<p3.m_A<<endl;
28 cout<<p3.m_B<<endl;
29 return 0;
30 }
1 #include <iostream>
2 using namespace std;
3 //只能利用全局函数重载左翼运算符
4 class Person
5 {
6 public:
7 int m_A;
8 int m_B;
9 };
10 ostream &operator<<(ostream &cout,Person &p)
11 {
12 cout<<"m_A = "<<p.m_A<<"m_B = "<<p.m_B;
13 return cout;
14 }
15 void test01()
16 {
17 Person p;
18 p.m_A = 10;
19 p.m_B = 20;
20 cout << p << endl;
21 }
22 int main()
23 {
24 test01();
25 return 0;
26 }
