PyQt实现WebView

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#!/usr/bin/env python
# __*__ coding:utf-8 __*__
import sys,time
from PyQt4.Qt import *
from PyQt4.QtWebKit import *
from PyQt4.QtCore import *
from PyQt4 import QtGui
import ConfigParser
class WebView(QWebView):
    def __init__(self):
        super(WebView,self).__init__()
        #读取配置文件，配置文件管理访问的url及窗口是否全屏
        cf = ConfigParser.ConfigParser()
        cf.read('WeChat.conf')
        url = cf.get('WeChat','url')
        showFullScreen_enable = cf.get('WeChat','showFullScreen_enable')
        #打开url
        self.load(QUrl(url))
        self.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
        self.page().linkClicked.connect(self.linkClicked)
        #设置窗口标题、图标
        self.setWindowTitle(u'二维码扫码')
        self.setWindowIcon(QtGui.QIcon('WeChat.png'))
        #创建托盘
        self.createTrayIcon()
        #托盘点击事件
        self.trayIcon.activated.connect(self.iconActivated)
        if showFullScreen_enable == 'True':
            self.showFullScreen()
        else:
            pass
        self.show()
    def linkClicked(self, url):
        self.load(QUrl(url))
    def closeEvent(self, event):
        QtGui.QMessageBox.about(self,u'提示 ',u'不允许关闭! ')
        event.ignore()
    def focusOutEvent(self, QFocusEvent):
        self.trayIcon.showMessage("警告", "窗口已失焦", 2)
    def focusInEvent(self, QFocusEvent):
        self.trayIcon.showMessage("提示", "窗口已聚焦", 1)
    def createTrayIcon(self):
         icon = QtGui.QIcon('WeChat.png')
         self.trayIcon = QtGui.QSystemTrayIcon(self)
         self.trayIcon.setIcon(icon)
         self.trayIcon.setToolTip(self.tr("二维码扫码"))
         self.trayIcon.setVisible(True)
    def iconActivated(self, reason):
        if reason in (QtGui.QSystemTrayIcon.Trigger, QtGui.QSystemTrayIcon.DoubleClick):
            self.showFullScreen()
        elif reason == QtGui.QSystemTrayIcon.MiddleClick:
            self.showFullScreen()
if __name__ == '__main__':
    app = QApplication(sys.argv)
    #解决打包exe后，页面中文乱码问题
    app.Encoding(QApplication.UnicodeUTF8)
    utfcodec = QTextCodec.codecForName("UTF-8")
    QTextCodec.setCodecForTr(utfcodec)
    QTextCodec.setCodecForLocale(utfcodec)
    QTextCodec.setCodecForCStrings(utfcodec)
    webView = WebView()
    sys.exit(app.exec_())