PySide QtWebKit 读取网页

  
    

   
      1 
   
     #
   
     coding:utf8
   
     

   
      2 
   
     
   
     

   
      3 
   
     
   
     import
   
      sys

   
      4 
   
     
   
     from
   
      PySide 
   
     import
   
      QtCore

   
      5 
   
     
   
     from
   
      PySide 
   
     import
   
      QtGui

   
      6 
   
     
   
     from
   
      PySide 
   
     import
   
      QtWebKit

   
      7 
   
     
   
     from
   
      PySide 
   
     import
   
      QtNetwork

   
      8 
   
     
   
     from
   
      pprint 
   
     import
   
      pprint

   
      9 
   
     

   
      10 
   
     
   
     class
   
      Mainwin(QtGui.QMainWindow):

   
      11 
   
      
   
     def
   
      
   
     __init__
   
     (self, parent
   
     =
   
      None):

   
      12 
   
      super(Mainwin, self).
   
     __init__
   
     ( parent)

   
      13 
   
      

   
      14 
   
      QtNetwork.QNetworkProxyFactory.setUseSystemConfiguration(True)

   
      15 
   
      

   
      16 
   
      splitter 
   
     =
   
      self.splitter 
   
     =
   
      QtGui.QSplitter(self)

   
      17 
   
      

   
      18 
   
      self.view 
   
     =
   
      QtWebKit.QWebView(splitter)

   
      19 
   
      self.view.load(
   
     "
   
     about:blank
   
     "
   
     )

   
      20 
   
      self.view.loadStarted.connect(self.adjustLocation)

   
      21 
   
      self.view.titleChanged.connect(self.adjustTitle)

   
      22 
   
      self.view.loadProgress.connect(self.setProgress)

   
      23 
   
      self.view.loadFinished.connect(self.adjustLocation)

   
      24 
   
     

   
      25 
   
      self.locationEdit 
   
     =
   
      QtGui.QLineEdit(self)

   
      26 
   
      self.locationEdit.setSizePolicy(QtGui.QSizePolicy.Expanding,

   
      27 
   
      self.locationEdit.sizePolicy().verticalPolicy())

   
      28 
   
      self.locationEdit.returnPressed.connect(self.changeLocation)

   
      29 
   
     

   
      30 
   
      toolBar 
   
     =
   
      self.addToolBar(
   
     "
   
     Navigation
   
     "
   
     )

   
      31 
   
      toolBar.addAction(self.view.pageAction(QtWebKit.QWebPage.Back))

   
      32 
   
      toolBar.addAction(self.view.pageAction(QtWebKit.QWebPage.Forward))

   
      33 
   
      toolBar.addAction(self.view.pageAction(QtWebKit.QWebPage.Reload))

   
      34 
   
      toolBar.addAction(self.view.pageAction(QtWebKit.QWebPage.Stop))

   
      35 
   
      act 
   
     =
   
      QtGui.QAction(self)

   
      36 
   
      toolBar.addAction(act)

   
      37 
   
      act.triggered.connect(self.loadPage)

   
      38 
   
      toolBar.addWidget(self.locationEdit)

   
      39 
   
     

   
      40 
   
      viewMenu 
   
     =
   
      self.menuBar().addMenu(
   
     "
   
     &View
   
     "
   
     )

   
      41 
   
      viewSourceAction 
   
     =
   
      QtGui.QAction(
   
     "
   
     Page Source
   
     "
   
     , self)

   
      42 
   
      viewSourceAction.triggered.connect(self.viewSource)

   
      43 
   
      viewMenu.addAction(viewSourceAction)

   
      44 
   
      

   
      45 
   
     
   
     #
   
      listview = QtGui.QListView()
   
     

   
      46 
   
     #
   
      splitter.addWidget(listview)
   
     

   
      47 
   
     #
   
      treeview = QtGui.QTreeView()
   
     

   
      48 
   
     #
   
      splitter.addWidget(treeview)
   
     

   
      49 
   
     
   
      textedit 
   
     =
   
      QtGui.QTextEdit()

   
      50 
   
      splitter.addWidget(textedit)

   
      51 
   
     

   
      52 
   
      splitter.addWidget(self.view)

   
      53 
   
      

   
      54 
   
      self.setCentralWidget(splitter)

   
      55 
   
      

   
      56 
   
      sb 
   
     =
   
      self.createStatusbar()

   
      57 
   
      self.setStatusBar(sb)

   
      58 
   
      page 
   
     =
   
      self.view.page()

   
      59 
   
      page.linkHovered.connect(self.linkHovered)

   
      60 
   
      
   
     #
   
     act.connect(sb.showMessage)
   
     

   
      61 
   
     
   
      

   
      62 
   
      
   
     def
   
      loadPage(self):

   
      63 
   
      self.view.load(
   
     "
   
     http://localhost
   
     "
   
     )

   
      64 
   
      

   
      65 
   
      
   
     def
   
      linkHovered(self, p):

   
      66 
   
      sb 
   
     =
   
      self.statusBar()

   
      67 
   
      sb.showMessage(p)

   
      68 
   
      

   
      69 
   
      
   
     def
   
      viewSource(self):

   
      70 
   
      accessManager 
   
     =
   
      self.view.page().networkAccessManager()

   
      71 
   
      request 
   
     =
   
      QtNetwork.QNetworkRequest(self.view.url())

   
      72 
   
      reply 
   
     =
   
      accessManager.get(request)

   
      73 
   
      reply.finished.connect(self.slotSourceDownloaded)

   
      74 
   
      

   
      75 
   
      
   
     def
   
      slotSourceDownloaded(self):

   
      76 
   
      reply 
   
     =
   
      self.sender()

   
      77 
   
      self.textEdit 
   
     =
   
      QtGui.QTextEdit(None)

   
      78 
   
      self.textEdit.setAttribute(QtCore.Qt.WA_DeleteOnClose)

   
      79 
   
      self.textEdit.show()

   
      80 
   
      self.textEdit.setPlainText(QtCore.QTextStream(reply).readAll())

   
      81 
   
      self.textEdit.resize(
   
     600
   
     , 
   
     400
   
     )

   
      82 
   
      reply.deleteLater()

   
      83 
   
      

   
      84 
   
      
   
     def
   
      createStatusbar(self):

   
      85 
   
      sb 
   
     =
   
      self.statusBar()

   
      86 
   
      sb.progress 
   
     =
   
      QtGui.QProgressBar()

   
      87 
   
      sb.addPermanentWidget(sb.progress)

   
      88 
   
      
   
     return
   
      sb

   
      89 
   
     

   
      90 
   
      
   
     def
   
      adjustTitle(self):

   
      91 
   
      self.setWindowTitle(self.view.title())

   
      92 
   
      

   
      93 
   
      
   
     def
   
      adjustLocation(self):

   
      94 
   
      self.locationEdit.setText(self.view.url().toString())

   
      95 
   
      

   
      96 
   
      
   
     def
   
      changeLocation(self):

   
      97 
   
      url 
   
     =
   
      QtCore.QUrl.fromUserInput(self.locationEdit.text())

   
      98 
   
      self.view.load(url)

   
      99 
   
      self.view.setFocus()

   
     100 
   
      

   
     101 
   
      
   
     def
   
      setProgress(self, progress):

   
     102 
   
      self.statusBar().progress.setValue(progress)

   
     103 
   
      

   
     104 
   
      

   
     105 
   
     
   
     def
   
      main():

   
     106 
   
      app 
   
     =
   
      QtGui.QApplication(sys.argv)

   
     107 
   
      mw 
   
     =
   
      Mainwin()

   
     108 
   
      mw.show()

   
     109 
   
      app.exec_()

   
     110 
   
      

   
     111 
   
      

   
     112 
   
     
   
     if
   
      
   
     __name__
   
      
   
     ==
   
      
   
     "
   
     __main__
   
     "
   
     :

   
     113 
   
      main()
  
    

代码很简单，PySide功能真强大！