1 #include <iostream> // 标准的输入输出
  2 using namespace std;
  3 
  4 class MyInteger { 
  5 public:
  6     MyInteger()
  7     { 
  8     ¦   m_A = 0;
  9     } 
 10     int m_A;
 11 };
 12 
 13 // 前置++重载
 14 MyInteger& operator++(MyInteger& p)
 15 {
 16     p.m_A++;
 17     return p;
 18 }
 19 
 20 //后置++重载
 21 MyInteger operator++(MyInteger& p, int)
 22 {
 23     MyInteger tmp=p;
 24     p.m_A++;
 25     return tmp;
 26 }
 27 // 重载<<运算符
 28 ostream& operator<<(ostream& cout, MyInteger& m)
 29 {
 30     cout << m.m_A;
 31     return cout;
 32 }
 33 
 34 void test01()
 35 {
 36     MyInteger myint;
 37     // 前置++重载
 38     cout << ++myint << endl;
 39     // 后置++重载
 40     myint++;
 41     cout << myint << endl;
 42 }
 43 int main()
 44 {
 45     test01();
 46     return 0;
 47 }