程序无法编译(error LNK2001)

nineheadedbird

我建立了一个空的Qt项目，所有程序都在一个cpp文件中，如果在定义类是不加Q_OBJECT时，程序可以运行，但是槽无法使用，加入Q_OBJECT后，编译时错误显示如下，网上查了一下说是moc的问题，但不知怎么解决：

nineheadedbird

代码如下：

1. #include<QtGui>
   
2. #include<QTextCodec>
   
3. #include<QCloseEvent>
   
4. #include<QString>
   
5. #include<QDebug>
   
6. #include<QSystemTrayIcon>
   
7. #include<QMainWindow>
   
8. #include<QMenu>
   
9. 
   
10. 
    
11. class myMainWindow: public QMainWindow
    
12. {
    
13.     Q_OBJECT
    
14. 
    
15. public:
    
16.     myMainWindow();
    
17. private:
    
18.     QSystemTrayIcon *trayIcon;
    
19.     QAction *minimizeAction;
    
20.     QAction *restoreAction;
    
21.     QAction *quitAction;
    
22.     QMenu   *trayIconMenu;
    
23. 
    
24. private slots:
    
25.    // void trayiconActivated(QSystemTrayIcon::ActivationReason reason);
    
26.     void onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason reason);
    
27. protected:
    
28.     void closeEvent(QCloseEvent *event);
    
29. };
    
30. 
    
31. myMainWindow::myMainWindow()
    
32. {
    
33.     //创建托盘图标
    
34.     QIcon icon = QIcon("D:/studytool/Qt/workspace/myTray1/tengweitw.jpg");
    
35.     trayIcon = new QSystemTrayIcon(this);
    
36.     trayIcon->setIcon(icon);
    
37.     trayIcon->setToolTip(tr("托盘测试"));
    
38. 
    
39.     trayIcon->show();
    
40. 
    
41.     //弹出气泡提示,但是运行时显示不了。
    
42.     trayIcon->showMessage(titlec,textc,QSystemTrayIcon::Information,5000);
    
43. 
    
44.     //添加单/双击鼠标相应
    
45.     connect(trayIcon,SIGNAL(activated(QSystemTrayIcon::ActivationReason)),this,SLOT(onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason)));
    
46. 
    
47.     //创建监听行为
    
48.     minimizeAction = new QAction(tr("最小化 (&I)"), this);
    
49.     connect(minimizeAction, SIGNAL(triggered()), this, SLOT(hide()));
    
50.     restoreAction = new QAction(tr("还原 (&R)"), this);
    
51.     connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));
    
52.     quitAction = new QAction(tr("退出 (&Q)"), this);
    
53.     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
    
54. 
    
55.     //创建右键弹出菜单
    
56.     trayIconMenu = new QMenu(this);
    
57.     trayIconMenu->addAction(minimizeAction);
    
58.     trayIconMenu->addAction(restoreAction);
    
59.     trayIconMenu->addSeparator();
    
60.     trayIconMenu->addAction(quitAction);
    
61.     trayIcon->setContextMenu(trayIconMenu);
    
62. }
    
63. 
    
64. 
    
65. 
    
66. 
    
67. void myMainWindow::onSystemTrayIconClicked(QSystemTrayIcon::ActivationReason reason)
    
68. {
    
69.     switch (reason)
    
70.     {
    
71.     case QSystemTrayIcon::Trigger:
    
72.         //单击托盘图标
    
73.     case QSystemTrayIcon::DoubleClick:
    
74.         //双击托盘图标
    
75. //        this->showNormal();
    
76. //        this->raise();
    
77.         qDebug()<<"ok";
    
78.         this->setWindowState(Qt::WindowActive);
    
79.         this->show();
    
80.         break;
    
81.     default:
    
82.         break;
    
83.     }
    
84. }
    
85. 
    
86. 
    
87. 
    
88. 
    
89. void myMainWindow::closeEvent(QCloseEvent *event)
    
90. {
    
91.   if(trayIcon->isVisible())
    
92.   {
    
93.       hide();
    
94.       event->ignore();
    
95.   }
    
96. }
    
97. 
    
98. int main(int argc, char *argv[])
    
99. {
    
100.     QApplication a(argc, argv);
     
101.      QTextCodec::setCodecForTr(QTextCodec::codecForLocale());
     
102.     myMainWindow w;
     
103.     w.show();
     
104. 
     
105.     return a.exec();
     
106. }
     
107. 
     
108. //#include "moc_MainWindow.cpp"
     

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