比如:int *p, a=5;p = &a;cout<<*p<结果为5,*p即为指针p所指向的变量的值。 例子:class ClassName {public: int foo(int); }int (ClassName::*pmf)(int) = &ClassNmae::foo;ClassName c; //.*的用法,经由对象调用(c.*pmf)(5);ClassName *pc = &c; //->*的用法,经由对象指针调用(Pc->*pmf)(6);