DiginalClock 电子表

～风介～

代码：

1. //diginalclock.h
   
2. #ifndef DIGINALCLOCK_H
   
3. #define DIGINALCLOCK_H
   
4. 
   
5. #include <QLCDNumber>
   
6. 
   
7. class DiginalClock : public QLCDNumber
   
8. {
   
9. Q_OBJECT
   
10. 
    
11. public:
    
12. DiginalClock(QWidget *parent = 0);
    
13. 
    
14. private slots:
    
15. void showTime();
    
16. };
    
17. 
    
18. #endif // DIGINALCLOCK_H
    

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1. //main.cpp
   
2. #include "diginalclock.h"
   
3. #include <QApplication>
   
4. 
   
5. int main(int argc, char *argv[])
   
6. {
   
7. QApplication a(argc, argv);
   
8. DiginalClock w;
   
9. w.show();
   
10. 
    
11. return a.exec();
    
12. }
    

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1. //diginalclock.cpp
   
2. #include "diginalclock.h"
   
3. #include <QtWidgets>
   
4. 
   
5. DiginalClock::DiginalClock(QWidget *parent)
   
6. : QLCDNumber(parent)
   
7. {
   
8. setSegmentStyle(Filled);
   
9. 
   
10. QTimer *timer = new QTimer(this);
    
11. connect(timer,SIGNAL(timeout()),this,SLOT(showTime()));
    
12. timer->start(1000);
    
13. 
    
14. showTime();
    
15. 
    
16. setWindowTitle(tr("Digtal Clock"));
    
17. resize(150,60);
    
18. }
    
19. 
    
20. void DiginalClock::showTime()
    
21. {
    
22. QTime time = QTime::currentTime();
    
23. QString text = time.toString("hh:mm");
    
24. if((time.second()%2) == 0)
    
25. text[2] = ' ';
    
26. 
    
27. display(text);
    
28. 
    
29. }
    

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截图：