3
這讓我瘋狂....它工作得更早,但不是它不工作。我已經定義了Q_SLOTS和Q_SIGNALS,並且正在嘗試連接它們。它在一定程度上工作......然後突然一切都停止了,現在我正在犯錯。我的代碼如下:QT信號和插槽意外錯誤
ControllerLogic.h
#ifndef CONTROLLERLOGIC_H
#define CONTROLLERLOGIC_H
#include "initdataaccess.h"
#include "mainframe.h"
#include <QtGui>
#include "initializationdatastructure.h"
/** This is a controller class; refering to the model-view-controller
* architecture.
*/
class ControllerLogic : public QObject
{
Q_OBJECT
public:
ControllerLogic(InitDataAccess *initDataAccess, MainFrame *mainFrame);
Q_SIGNALS:
void Signal();
private:
void setMainFrame(MainFrame mainFrame);
public Q_SLOTS:
void receive();
};
#endif // CONTROLLERLOGIC_H
ControllerLogic.cpp
#include "controllerlogic.h"
#include "licensedataaccess.h"
#include <qobjectdefs.h>
// obsolete...may be used later
ControllerLogic::ControllerLogic(InitDataAccess *initDataAccess, MainFrame *mainFrame)
{
connect(this, SIGNAL(signal()), mainFrame, SLOT(PrintTestSlot()));
}
void ControllerLogic::receive(){
qDebug()<<"RECEIVE";
}
void ControllerLogic::Signal(){
qDebug()<<"SIGNAL";
}
錯誤
moc_controllerlogic.obj:-1: error: LNK2005: "protected: void __thiscall ControllerLogic::Signal(void)" ([email protected]@@IAEXXZ) already defined in controllerlogic.obj
release\TSLSuite.exe:-1: error: LNK1169: one or more multiply defined symbols found
我也嘗試定義信號如下:
public:
Q_SIGNAL void Signal();
但我得到了同樣的錯誤。
這是怎麼回事? 請幫忙!
謝謝!
好吧,以及我怎麼能確定我在想的信號做,如果QT生成我的功能? – PTBG 2011-12-15 22:58:34