第十二周项目四 日期时间类

/**Copyright (c)2013,烟台大学计算机学院*All rights reserved.*文件名称：日期时间类*作者：孙玲倩*完成日期：2014年5月13日 *版本号：v1.0*问题描述：*问题分析：*我的程序：*/#include <iostream>using namespace std;class Date{protected:    int year;    int month;    int day;public:    Date(int y=0,int m1=0,int d=0);    void SetDate(int y,int m1,int d)    {        year=y;        month=m1;        day=d;    }   void PrintDate()   {        cout<<year<<"/"<<month<<"/"<<day;   }};Date::Date(int y,int m1,int d):        year(y),month(m1),day(d){};class Time{protected:    int hour;    int minute;    int second;public:     void SetTime(int h,int m,int s)    {        hour=h;        minute=m;        second=s;    }    void PrintTime()    {        cout<<hour<<":"<<minute<<":"<<second<<endl;    }    Time(int h=0,int m=0,int s=0);};Time::Time(int h,int m,int s):hour(h),minute(m),second(s){}class TimeDate: public Date,public Time{public:    TimeDate():Date(),Time(){}    TimeDate(int y,int m1,int d,int h,int m,int s):        Date(y,m,d),Time(h,m,s){};        void PrintDate_Time()    {        PrintDate();        PrintTime();    }};int main(){    TimeDate dt_a,dt_b(2010,4,16,9,30,0);    dt_a.PrintDate_Time();    dt_b.PrintDate_Time();    dt_a.SetTime(20,00,00);    dt_a.SetDate(2008,8,7);    dt_a.PrintDate_Time();}