Qt 自定义属性Q_PROPERTY不显示float类型的解决

Q_PROPERTY(type name
   READ getFunction
   [WRITE setFunction]
   [RESET resetFunction]
   [NOTIFY notifySignal]
   [DESIGNABLE bool]
   [SCRIPTABLE bool]
   [STORED bool]
   [USER bool]
   [CONSTANT]
   [FINAL])

Q_PROPERTY(double minValue READ getMinValue WRITE setMinValue)
Q_PROPERTY(bool animation READ getAnimation WRITE setAnimation)

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>

QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE

class Widget : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(int m_flag READ getFlag WRITE setFlag)

public:
    Widget(QWidget *parent = nullptr);
    ~Widget();
public:
    int getFlag(){return m_flag;}
    int setFlag(int flag){m_flag = flag;}
private:
    Ui::Widget *ui;
    int m_flag;
};
#endif // WIDGET_H