众里寻他2018

摘要： 1、普通函数的继承 class Base { public: virtual void Test1() { cout << "B::Test1()" << endl; } virtual void Test2() { cout << "B::Test2()" << endl; } int _b; } 阅读全文

摘要： # include<iostream> # include<stdio.h> # include<stdlib.h> # include<string.h> using namespace std; class Date { public: //构造函数 Date(int year = 1900, 阅读全文