Qt官方示例-日历控件

QCalendarWidget *calendar;

calendar->setMinimumDate(date);

calendar->setMaximumDate(date);

calendar->setSelectedDate(date);

calendar->setGridVisible(true);

QTextCharFormat format;
format.setForeground(...);
calendar->setWeekdayTextFormat(Qt::Saturday, format);

QTextCharFormat format;
calendar->setDateTextFormat(date, format);

/* 设置第一列显示的是星期天 */
calendar->setFirstDayOfWeek(Qt::Sunday);

calendar->setHorizontalHeaderFormat(QCalendarWidget::NoVerticalHeader);

calendar->setVerticalHeaderFormat(QCalendarWidget::NoHorizontalHeader);

calendar->setNavigationBarVisible(false);

C:\Qt\{你的Qt版本}\Examples\{你的Qt版本}\widgets\widgets\calendarwidget

https://doc.qt.io/qt-5/qtwidgets-widgets-calendarwidget-example.html