topval函数难道就不是类成员了?竟然total函数可以访问,那topval函数为什么不就能访问了.类的数据封装是对类外而言的,作为 类的成员函数 topval 跟 total 定位是一模一样的.topval 完全没有必要调用total
如果有:class stock{ Private:doubletotal_wal; Public:double...
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