c++类中调类的函数

主函数

#include <iostream>
#include <string>
#include <stdio.h>
#include <string.h>
#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/video/tracking.hpp"
#include "H.h"
#include<set>

using namespace std;
using namespace cv;


class ax{
public:
    int bb(int a){
        return a+this->v;
    }

    int v=1;
};

int main() {
    int a=1, b=3;
//    int c = ax().bb(1,3);
    int (ax::*pff)(int);
    pff = &ax::bb;
    ax oba;
    ax* obap = &oba;
    obap->v = 3;

    int c = Hun().aa(b, obap, pff);
    cout << c << endl;
    return 0;
}

H.h

#include <iostream>
#include <vector>

class Hun {
public:
    template <class T>
    
    int aa(int i, T* obs, int (T::*p)(int)){
        int b=3, c=1;
        b = (obs->*p)(i);
        return b;
    }

};

标签：opencv2,obap,int,hpp,c++,调类,ax,include,类中
来源： https://blog.csdn.net/Jay_2018/article/details/111657719