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();
}