Qt style sheet: QDateEdit / QCalendarWidget beautification

    QDateEdit de;
    de.setCalendarPopup(true); //设置日历弹出
    de.setStyleSheet(QString("QDateEdit{border-radius: 6px;border: 1px solid #%1;padding:3px 0px 3px 6px;color: #000000;selection-background-color:#%1;}"
                             "QDateEdit::drop-down{border:none;}"
                             "QDateEdit::down-arrow{image: url(:xiala_black.png);border: none;}").arg(style_main_color));

    QTextCharFormat format;//字体风格：黑色
    format.setForeground(QColor(Qt::black));
    QCalendarWidget * dateEditCalendarWidget = de.calendarWidget();
    dateEditCalendarWidget->setWeekdayTextFormat(Qt::Saturday, format);
    dateEditCalendarWidget->setWeekdayTextFormat(Qt::Sunday, format);
    dateEditCalendarWidget->setFixedSize(500,300);
    dateEditCalendarWidget->findChildren<QWidget*>().value(0)->setCursor(Qt::PointingHandCursor);
    dateEditCalendarWidget->findChildren<QSpinBox*>().value(0)->setAlignment(Qt::AlignCenter);
    dateEditCalendarWidget->findChildren<QSpinBox*>().value(0)->setButtonSymbols(QSpinBox::NoButtons);
    QList<QToolButton * > toolbtn_list = de.calendarWidget()->findChildren<QToolButton*>();
    for (int var = 0; var < toolbtn_list.size(); ++var)
    {
        toolbtn_list.value(var)->setCursor(Qt::PointingHandCursor);
    }
    QSize s = QSize(32,32);
    QToolButton * toolbtn  = de.calendarWidget()->findChild<QToolButton * >("qt_calendar_prevmonth");
    toolbtn->setIcon(QPixmap(":left_ar.png"));
    toolbtn->setIconSize(s);
    toolbtn = de.calendarWidget()->findChild<QToolButton * >("qt_calendar_nextmonth");
    toolbtn->setIcon(QPixmap(":right_ar.png"));
    toolbtn->setIconSize(s);

    de.calendarWidget()->setStyleSheet(QString("QCalendarWidget{background-color:#FFFFFF;border: 1px solid #%1;}"
                                               "QCalendarWidget QAbstractItemView:enabled{color:#000000;"
                                                                                         "background-color:#ffffff;"
                                                                                         "selection-color: white;"
                                                                                         "selection-background-color:#%1;}"
                                               "QCalendarWidget QSpinBox#qt_calendar_yearedit{background:#ffffff;height:34px;width:125px;selection-background-color:#%1;}"
                                               "QCalendarWidget QToolButton{background-color:#FFFFFF;height:34px;width:125px;color:#000000;}"
                                               "QCalendarWidget QToolButton:hover{border: 1px solid #%1;}"
                                               "QCalendarWidget QToolButton::menu-indicator#qt_calendar_monthbutton{subcontrol-position: right center;subcontrol-origin: padding;}"
                                               "QCalendarWidget QToolButton QMenu{background-color:#FFFFFF;width:125px;border:1px solid #%1;}"
                                               "QCalendarWidget QToolButton QMenu::item:selected{color:#FFFFFF;background:#%1;}").arg(style_main_color));
    de.setDate(QDate::currentDate());
    de.setDisplayFormat("yyyy.MM.dd");

Cooperate: Qt style sheet: switch themes to eat.