#include<iostream>
2 using namespace std;
3 class test{
4 int mvalue;
5 public:
6 test(int i){
7 cout << "test(int i)=" << i << endl;
8 mvalue = i;
9 }
10 int value(){
11 return mvalue;
12 }
13 test& operator++(){
14 ++mvalue;
15 return *this;
16 }
17 //后++
18 test operator++(int){
19 cout << "test operator++" << endl;
20 test ret(mvalue);
21 mvalue++;
22 cout << "mvalue=" << mvalue << endl;
23 return ret;
24 }
25 };
26 int main(){
27 test t(0); //test(int i)=0
28 test tt = t++; //test operator ++; test(int i)=0
29 cout << tt.value() << endl;
30 cout << t.value() << endl;
31 return 0;
32 //运行结果
33 test(int i)=0
34 test operator++
35 test(int i)=0
36 0
37 1
