Qt加载网页(加载浏览器插件)和制作托盘后台运行(南信大财务报账看号)

程序模块要添加QNetWork和QWebKit模块:

nuistfinancevideo.h文件：

#ifndef NUISTFINANCEVIDEO_H

#define NUISTFINANCEVIDEO_H



#include <QtGui/QtGui>

#include <QtNetwork/QNetworkReply>

#include <QtWebKit/QWebView>

#include <QtWebKit/QWebElementCollection>

#include <QtNetwork>

#include <QtWebKit/QWebFrame>

#include <QtWebKit>

#include "ui_nuistfinancevideo.h"



class NuistFinanceVideo : public QMainWindow

{

	Q_OBJECT



public:

	NuistFinanceVideo(QWidget *parent = 0, Qt::WFlags flags = 0);

	~NuistFinanceVideo();



private:

	Ui::NuistFinanceVideoClass ui;



	void createActions();  

	void createTrayIcon();  



	QSystemTrayIcon *trayIcon;//系统托盘对象 

	QMenu *trayIconMenu; //添加到系统托盘对象的菜单 



	QAction *minimizeAction;  

	QAction *restoreAction;  

	QAction *quitAction;  



	void closeEvent(QCloseEvent *e);//程序关闭到托盘

	void changeEvent(QEvent *e);//程序最小化到托盘



public slots:

	void iconactivated(QSystemTrayIcon::ActivationReason reason);//响应鼠标点击托盘的事件

};



#endif // NUISTFINANCEVIDEO_H

nuistfinancevideo.cpp文件：

#include "nuistfinancevideo.h"



NuistFinanceVideo::NuistFinanceVideo(QWidget *parent, Qt::WFlags flags)

	: QMainWindow(parent, flags)

{

	ui.setupUi(this);

	//设置支持中文语言

 	QTextCodec::setCodecForTr(QTextCodec::codecForName("system"));  

	//加载浏览器插件，将所需插件放在和代码同一目录下，这里用到WebVideoActiveX.ocx和npWebVideoPlugin.dll(一般安装在C:/Program Files/Web Components/)，用于显示监控视频

	ui.webView->page()->settings()->setAttribute(QWebSettings::PluginsEnabled, true);

	QWebSettings::globalSettings()->setAttribute(QWebSettings::PluginsEnabled, true);

	//加载网页

	QString url=tr("http://202.195.237.204/doc/page/login.asp");

	ui.webView->load(QUrl(url));

	//隐藏网页滚动条

	ui.webView->page()->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);

	ui.webView->page()->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);

	//建立系统托盘图标  

	createActions();  

	createTrayIcon(); 

}

 

void NuistFinanceVideo::createActions()  

{  

	minimizeAction = new QAction(tr("最小化"), this);  

	connect(minimizeAction, SIGNAL(triggered()), this, SLOT(hide()));  

	restoreAction = new QAction(tr("还原"), this);  

	connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));  

	quitAction = new QAction(tr("退出"), this);  

	connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit())); 



	//设置右键点击时弹出的菜单  

	trayIconMenu = new QMenu(this);  

	trayIconMenu->addAction(minimizeAction);  

	trayIconMenu->addAction(restoreAction);  

	trayIconMenu->addAction(quitAction); 

}  



void NuistFinanceVideo::createTrayIcon()  

{  

	if (!QSystemTrayIcon::isSystemTrayAvailable())      //判断系统是否支持系统托盘图标  

	{  

		return;  

	} 

	trayIcon = new QSystemTrayIcon(this);

	trayIcon->setIcon(QIcon(tr(":/NuistFinanceVideo/Resources/icon.jpg")));

	trayIcon->setToolTip(tr("南信大财务报账看号客户端"));

	trayIcon->setContextMenu(trayIconMenu);

	trayIcon->show();

	connect(trayIcon,SIGNAL(activated(QSystemTrayIcon::ActivationReason)),this,SLOT(iconactivated(QSystemTrayIcon::ActivationReason)));

}



//关闭到托盘

void NuistFinanceVideo::closeEvent(QCloseEvent *e)

{

	e->ignore();

	this->hide();

}



//最小化到托盘

void NuistFinanceVideo::changeEvent(QEvent *e)

{

	if((e->type()==QEvent::WindowStateChange)&&this->isMinimized())

	{

		QTimer::singleShot(100, this, SLOT(close()));

	}

}



//点击托盘事件

void NuistFinanceVideo::iconactivated(QSystemTrayIcon::ActivationReason reason) 

{  

	//触发后台图标执行相应事件  

	switch (reason)  

	{  

		case QSystemTrayIcon::Trigger:  

		case QSystemTrayIcon::DoubleClick:  

			{

				showNormal(); 

				break; 

			}

		case QSystemTrayIcon::MiddleClick:  

			break;  

		default:  

			break;  

	}  

}  



NuistFinanceVideo::~NuistFinanceVideo()

{



}

main.cpp文件：

#include "nuistfinancevideo.h"

#include <QtGui/QApplication>



int main(int argc, char *argv[])

{

	QApplication a(argc, argv);



	NuistFinanceVideo w;

	w.show();

	return a.exec();

}