日期时间类

#include<iostream>using namespace std;class Date{public:    void SetDate(int y,int m,int d)    {        year=y;        month=m;        day=d;    }    void PrintDate()    {        cout<<year<<"/"<<month<<"/"<<day<<endl;    }    Date():year(0),month(0),day(0){}    Date(int y,int m,int d):year(y),month(m),day(d){}private:    int year,month,day;};class Time{public:    void SetTime(int h,int m,int s)    {        hour=h;        minutes=m;        seconds=s;    }    void PrintTime()    {        cout<<hour<<":"<<minutes<<":"<<seconds<<endl;    }    Time():hour(0),minutes(0),seconds(0){}    Time(int h,int m,int s):hour(h),minutes(m),seconds(s){}private:    int hour,minutes,seconds;};class TimeDate: public Date,public Time{public:    TimeDate():Date(),Time() {};    TimeDate(int y,int mo,int d,int h,int mi,int s):Date(y,mo,d),Time(h,mi,s) {}    void PrintDate_Time()    {        PrintDate();        PrintTime();    }};int main(){    TimeDate dt_a,dt_b(2013,5,29,20,0,0);    dt_a.PrintDate_Time();    dt_b.PrintDate_Time();    dt_a.SetTime(20,00,00);    dt_a.SetDate(1995,6,1);    dt_a.PrintDate_Time();system("pause");    return 0;}

运行结果：