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訪問對象的子對象我想從一個腳本如下訪問我的CoreProxy實例內的存儲對象:QtScriptEngine:從腳本
CoreProxy proxy(core);
QScriptEngine engine;
QScriptValue coreInScript = engine.newQObject(&proxy);
engine.globalObject().setProperty("acq", coreInScript);
engine.evaluate("acq.storage.start()");
但複製代碼QScriptEngine給了我這個錯誤回:
TypeError: Result of expression 'acq.storage' [undefined] is not an object.
這裏是我CoreProxy類:
class CoreProxy : public QObject
{
Q_OBJECT
private:
Core *_core;
public:
CoreProxy(Core *core);
StorageProxy *storage;
public slots:
// Public slots for javascript interactions
QString init(QString acqId);
QString start();
QString stop();
};
而且我StorageProxy類:
class StorageProxy : public QObject
{
Q_OBJECT
private:
Core *_core;
public:
StorageProxy(Core *core);
public slots:
// Public slots for javascript interactions
QString start();
QString stop();
};
我在StorageProxy的構造函數中添加這一點,但我沒能訪問存儲成員:
this->setObjectName("storage");
東西在我的代碼失蹤?