为了将C++模型公开给QML,您需要遵循以下步骤:
class MyModel : public QObject {
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
public:
QString name() const {
return m_name;
}
void setName(const QString &name) {
if (m_name != name) {
m_name = name;
emit nameChanged();
}
}
signals:
void nameChanged();
private:
QString m_name;
};
qmlRegisterType<MyModel>("com.example.mymodel", 1, 0, "MyModel");
import QtQuick 2.12
import com.example.mymodel 1.0
Item {
MyModel {
id: myModel
name: "John Doe"
}
Text {
text: myModel.name
}
}
class MyModel : public QObject {
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
public slots:
void handleButtonClicked() {
// Handle button click event
}
private:
QString m_name;
};
import QtQuick 2.12
import com.example.mymodel 1.0
Item {
MyModel {
id: myModel
name: "John Doe"
}
Button {
text: "Click me"
onClicked: myModel.handleButtonClicked()
}
}
通过以上步骤,您可以将C++模型公开给QML,并在QML中使用它。
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