显示楼层名

monitor.cpp

@@ -16,6 +16,7 @@ Monitor::Monitor(QWidget *parent) :
     QObject::connect(pk, &ParkingLotItem::enableDownButton, ui->downStairButton, &QPushButton::setEnabled);
     QObject::connect(pk, &ParkingLotItem::setCapacity, ui->capacity, &QLabel::setText);
     QObject::connect(pk, &ParkingLotItem::setLoad, ui->load, &QLabel::setText);
+    QObject::connect(pk, &ParkingLotItem::setLayerName, ui->layerName, &QLabel::setText);
 
     pk->showParkingLot();
     QGraphicsScene *scene = new QGraphicsScene(this);  // 创建场景

monitor.ui

@@ -72,7 +72,7 @@
        <enum>QLayout::SetDefaultConstraint</enum>
       </property>
       <item>
-       <widget class="QLabel" name="currentFloor">
+       <widget class="QLabel" name="layerName">
         <property name="text">
          <string>TextLabel</string>
         </property>

parkingLotItem.cpp

@@ -45,6 +45,7 @@ void ParkingLotItem::showParkingLot(uint pos)
     setPixmap(*m_pixmap.at(pos));
     emit setCapacity(QString::number(m_capacity.at(pos)));
     emit setLoad(QString::number(m_capacity.at(pos) - m_num_of_cars.at(pos)));
+    emit setLayerName(m_name.at(pos));
 }
 
 void ParkingLotItem::showParkingLot()

parkingLotItem.h

@@ -32,6 +32,7 @@ signals:
     void enableDownButton(bool);
     void setCapacity(const QString&);
     void setLoad(const QString&);
+    void setLayerName(const QString&);
 };
 
 #endif // PARKINGLOTITEM_H