摘要： 多态1什么是多态？1.1概念多态的概念众说纷纭，下面是几种代表性的说法：“This ability to manipulate more than one type with a pointer or a reference to a base classis spoken of as polymorphism” (《C++ Primer》第838页)。即用基类的指针/引用来操作多种类(基类和其派生类)的对象的能力称之为多态。它是从语言实现的角度来考虑的。“polymorphism provides another dimension of separation of interface fr 阅读全文