更新

toptime.h

@@ -0,0 +1,23 @@
+#ifndef TOPTIME_H
+#define TOPTIME_H
+
+#include <QObject>
+#include <QDateTime>
+#include <QTimer>
+
+class topTime : public QObject
+{
+    Q_OBJECT
+public:
+    explicit topTime(QObject *parent = nullptr);
+    QString str;//供Widget访问
+    QDateTime current_time;
+    QTimer *timer;
+
+signals:
+    void refreshed();//刷新完成信号
+public slots:
+    void refresh();//刷新槽函数
+};
+
+#endif // TOPTIME_H