用面向对象思想实现时钟C++描述的实例代码:
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# include <iostream> # include <time.h> # include <iomanip> # include <windows.h> //# include <unistd.h> using namespace std;
//初始化的数据来自系统,以后的逻辑运算及显示自实现 class Clock
{ public :
Clock()
{
time_t t = time (NULL);
struct tm ti = * localtime (&t);
hour = ti.tm_hour;
min = ti.tm_min;
sec = ti.tm_sec;
}
void run()
{
while (1)
{
system ( "cls" );
show(); //完成显示
tick(); //数据更新
}
}
private :
void show()
{
//system("cls");
cout << setw(2) << setfill( '0' ) << hour << ":" ;
cout << setw(2) << setfill( '0' ) << min << ":" ;
cout << setw(2) << setfill( '0' ) << sec << ":" ;
}
void tick()
{
Sleep(1);
if (++sec == 60)
{
sec = 0;
min += 1;
if (++min == 60)
{
min = 0;
hour += 1;
if (++hour == 24)
{
hour = 0;
}
}
}
}
int hour = 0;
int min = 0;
int sec = 0;
}; int main( void )
{ Clock c;
c.run();
cout << " Hello World " << endl;
return 0;
}
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本文转自 liam2199 博客,原文链接: http://blog.51cto.com/liam2199/1972448 如需转载请自行联系原作者