I am planning to use PyQt to control an embedded WebKit browser on the server side.
I have some inherit application logic in Javascript in the HTML page running inside WebKit.
How could I communicate from the host process (Python, PyQt) with Javascript, so that
I can call Javascript functions inside the page
Python methods are exposed to Javascript and can be called from the Javascript, with arguments
The following source code should be helpful:
import sys
from PyQt4.QtCore import QObject, pyqtSlot
from PyQt4.QtGui import QApplication
from PyQt4.QtWebKit import QWebView
html = """
<html>
<body>
<h1>Hello!</h1><br>
<h2><a href="#" onclick="printer.text('Message from QWebView')">QObject Test</a></h2>
<h2><a href="#" onclick="alert('Javascript works!')">JS test</a></h2>
</body>
</html>
"""
class ConsolePrinter(QObject):
def __init__(self, parent=None):
super(ConsolePrinter, self).__init__(parent)
@pyqtSlot(str)
def text(self, message):
print message
if __name__ == '__main__':
app = QApplication(sys.argv)
view = QWebView()
frame = view.page().mainFrame()
printer = ConsolePrinter()
view.setHtml(html)
frame.addToJavaScriptWindowObject('printer', printer)
frame.evaluateJavaScript("alert('Hello');")
frame.evaluateJavaScript("printer.text('Goooooooooo!');")
view.show()
app.exec_()
来源：https://stackoverflow.com/questions/6447011/pyqt-pyside-webkit-and-exposing-methods-from-to-javascript