xin.txt

c语言实现简易时钟

#include<iostream> 
#include<iomanip> 
using namespace std; 
class Time{ 
private:int hour; 
int minute; 
int second; 
public: void SetTime(int a,int b,int c){hour=a;minute=b;second=c;} 
DisplayTime24(); 
DisplayTime12(); 

}; 
Time::DisplayTime24(){ 
for(int j=0;j<100000000;j++) 
{ 
cout<<setw(2)<<setfill('0')<<hour<<":"<<setw(2)<<setfill('0')<<minute<<":"<<setw(2)<<setfill('0')<<second; 

if(second==59&&minute!=59) 
{minute++; 
second=0;} 
else if(second==59&&minute==59&&hour!=23) 
{minute=0; 
second=0; 
hour++;} 
else if(second==59&&minute==59&&hour==23) 
{second=0; 
minute=0; 
hour=0;} 
else second++; 
for(int i=0;i<600000000;i++); 

cout<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"; 
} 
cout<<setw(2)<<setfill('0')<<hour<<":"<<setw(2)<<setfill('0')<<minute<<":"<<setw(2)<<setfill('0')<<second; 

} 
Time::DisplayTime12(){ 
for(int j=0;j<100000000;j++) 
{ 
cout<<setw(2)<<setfill('0')<<hour<<":"<<setw(2)<<setfill('0')<<minute<<":"<<setw(2)<<setfill('0')<<second; 

if(second==59&&minute!=59) 
{minute++; 
second=0;} 
else if(second==59&&minute==59&&hour!=11) 
{minute=0; 
second=0; 
hour++;} 
else if(second==59&&minute==59&&hour==11) 
{second=0; 
minute=0; 
hour=0;} 
else second++; 



for(int i=0;i<100000000000;i++); 

cout<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"<<"\b"; 
} 
cout<<setw(2)<<setfill('0')<<hour<<":"<<setw(2)<<setfill('0')<<minute<<":"<<setw(2)<<setfill('0')<<second; 

} 
void main(){ 
int a,b,c; 
char d; 
Time x; 
cout<<"请输入你要设置的时间的小时:"; 
cin>>a;cout<<"\n"; 
cout<<"请输入你要设置的时间的分钟:"; 
cin>>b;cout<<"\n"; 
cout<<"请输入你要设置的时间的秒钟:"; 
cin>>c;cout<<"\n"; 
x.SetTime(a,b,c); 
cout<<"显示时间:";cout<<endl; 
cout<<"请问您要选择的模式:"<<endl; 
cout<<"A.24小时制"<<endl; 
cout<<"B.12小时制"<<endl; 
cin>>d; 
if(d=='A') 
{cout<<"24小时显示模式:"<<endl; 
x.DisplayTime24(); 
cout<<endl;} 
else 
{cout<<"12小时显示模式:"<<endl; 
if(a>12) 
{a=a-12; 
x.SetTime(a,b,c);} 
x.DisplayTime12(); 
cout<<endl;} 
}