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js调用父窗体函数:子类函数对父类同名函数的覆盖

先看一道题： class B { public: void f(int) const { cout << "B.int" << endl; } void f(double) const { cout << "B.double" << endl; } }; class D: public B { public: void f(void*) const { cout << "D.void" << endl; } }; int ma [阅读全文] [PDF]