多重继承的成员名二义性

#include <iostream>using namespace std;class A{public:void f() {cout<<"From A"<<endl;}};class B{public:void f() {cout<<"From B"<<endl;}};class MI:public A,public B{public:void g() {cout<<"From MI"<<endl;}};void main(){MI mi;mi.A::f();mi.B::f();}