第三周实验报告3
2012-03-05 17:25
211 查看
#include <iostream>
using namespace std;
class Time
{
public:
void set_time();
void show_time();
void add_a_sec();
void add_a_minute();
void add_an_hour();
void add_seconds();
void add_minutes();
void add_hours();
private:
bool is_time(int ,int,int);
int hour;
int minute;
int sec;
};
int main()
{
Time t1;
Time &t2=t1;
t1.set_time();
t2.show_time();
t1.add_a_sec();
t2.show_time();
t1.add_a_minute();
t2.show_time();
t1.add_an_hour();
t2.show_time();
t1.add_seconds();
t2.show_time();
t1.add_minutes();
t2.show_time();
t1.add_hours();
t2.show_time();
return 0;
}
void Time::set_time()
{
char c1,c2;
cout<<"请输入时间(格式:hh:mm:ss):";
while(1)
{
cin>>hour>>c1>>minute>>c2>>sec;
if(c1!=':'||c2!=':')
cout<<"格式不正确,请重新输入:"<<endl;
else if(!is_time(hour,minute,sec))
cout<<"时间非法,请重新输入:"<<endl;
else
break;
}
}
void Time::show_time()
{
cout<<hour<<":"<<minute<<":"<<sec<<endl;
}
void Time::add_a_sec()
{
sec = sec + 1;
if(sec>=60)
{
minute++;
sec=0;
if(minute>59)
{
hour++;
minute = 0;
if(hour>23)
{
hour=0;
}
}
}
}
void Time::add_a_minute()
{
minute = minute + 1;
if(minute > 59)
{
hour++;
minute=0;
if(hour>23)
{
hour=0;
}
}
}
void Time::add_an_hour()
{
hour=hour+1;
if(hour>23)
{
hour=0;
}
}
void Time::add_seconds()
{
int s;
cout<<"请输入增加秒数s:";
cin>>s;
sec=sec+s;
if(sec> 59)
{
minute=minute+s/60;
sec=(sec+s)%60;
if(minute>59)
{
hour=hour+minute/60;
minute=minute%60;
if(hour>23)
{
hour=hour%24;
}
}
}
}
void Time::add_minutes()
{
int m;
cout<<"请输入增加分钟数m:";
cin>>m;
minute=minute+m;
if(minute>59)
{
hour=hour+minute/60;
minute=minute%60;
if(hour>23)
{
hour=hour%24;
}
}
}
void Time::add_hours()
{
int h;
cout<<"请输入增加小时数h:";
cin>>h;
hour=hour+h;
if(hour>23)
{
hour=hour%24;
}
}
bool Time::is_time(int h,int m, int s)
{
if(h<0||h>=24||m<0||m>=60||s<0||s>=60)
return false;
return true;
}
using namespace std;
class Time
{
public:
void set_time();
void show_time();
void add_a_sec();
void add_a_minute();
void add_an_hour();
void add_seconds();
void add_minutes();
void add_hours();
private:
bool is_time(int ,int,int);
int hour;
int minute;
int sec;
};
int main()
{
Time t1;
Time &t2=t1;
t1.set_time();
t2.show_time();
t1.add_a_sec();
t2.show_time();
t1.add_a_minute();
t2.show_time();
t1.add_an_hour();
t2.show_time();
t1.add_seconds();
t2.show_time();
t1.add_minutes();
t2.show_time();
t1.add_hours();
t2.show_time();
return 0;
}
void Time::set_time()
{
char c1,c2;
cout<<"请输入时间(格式:hh:mm:ss):";
while(1)
{
cin>>hour>>c1>>minute>>c2>>sec;
if(c1!=':'||c2!=':')
cout<<"格式不正确,请重新输入:"<<endl;
else if(!is_time(hour,minute,sec))
cout<<"时间非法,请重新输入:"<<endl;
else
break;
}
}
void Time::show_time()
{
cout<<hour<<":"<<minute<<":"<<sec<<endl;
}
void Time::add_a_sec()
{
sec = sec + 1;
if(sec>=60)
{
minute++;
sec=0;
if(minute>59)
{
hour++;
minute = 0;
if(hour>23)
{
hour=0;
}
}
}
}
void Time::add_a_minute()
{
minute = minute + 1;
if(minute > 59)
{
hour++;
minute=0;
if(hour>23)
{
hour=0;
}
}
}
void Time::add_an_hour()
{
hour=hour+1;
if(hour>23)
{
hour=0;
}
}
void Time::add_seconds()
{
int s;
cout<<"请输入增加秒数s:";
cin>>s;
sec=sec+s;
if(sec> 59)
{
minute=minute+s/60;
sec=(sec+s)%60;
if(minute>59)
{
hour=hour+minute/60;
minute=minute%60;
if(hour>23)
{
hour=hour%24;
}
}
}
}
void Time::add_minutes()
{
int m;
cout<<"请输入增加分钟数m:";
cin>>m;
minute=minute+m;
if(minute>59)
{
hour=hour+minute/60;
minute=minute%60;
if(hour>23)
{
hour=hour%24;
}
}
}
void Time::add_hours()
{
int h;
cout<<"请输入增加小时数h:";
cin>>h;
hour=hour+h;
if(hour>23)
{
hour=hour%24;
}
}
bool Time::is_time(int h,int m, int s)
{
if(h<0||h>=24||m<0||m>=60||s<0||s>=60)
return false;
return true;
}