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从反对点看,使用家长制方法?
原标题:Calling Parent class method, from an object pointer?
  • 时间:2011-11-22 19:31:02
  •  标签:
  • c++

假定我有A类的B类。

A defined foo() and also, B defines foo()

我在另一个班级有办法获得B*(B点名)。 在这项职能中,我能否把A称作:foo(......),而只是利用B的点子来履行所履行的职能?

最佳回答

我认为,你想要做以下工作:

void fun(B* b){
    b->A::foo();
}
问题回答

或者,当然,你可以做的是投放类型:

((A*)b)->foo();

或以安全检查为单位的++风格:

dynamic_cast<A*>(b)->foo();




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