看到关于Q_PROPERTY属性设置的问题，所以再看看内联函数的知识：转载地址

Q_PROPERTY(int age_ READ age WRITE setAge)

// Property code start

private: int age_;

public: Q_SLOT inline int age() const

{ return age_; }

public: Q_SLOT inline void setAge(const int &newValue)

{ if ( newValue == age_ ) { return; } age_ = newValue; }

private:

// Property code end