#ifndef RECEPTIONIST_H #define RECEPTIONIST_H #include #include #include #include #include #include #include #include #include #include #include // 添加这一行 namespace Ui { class receptionist; } class receptionist : public QMainWindow { Q_OBJECT public: explicit receptionist(QWidget *parent = nullptr); ~receptionist(); private: Ui::receptionist *ui; QLabel *bg; QSqlDatabase db; void search(QString str); void showall(); protected: void paintEvent(QPaintEvent *e); private slots: void on_pushButton_clicked(); void onflash(); }; #endif // RECEPTIONIST_H