这是我正在尝试的 Webkit 的基本 PyQt 代码。
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtWebKit import *
from PyQt4.QtNetwork import *
class XPrinter(QObject):
def __init__(self):
QObject.__init__(self)
def print_page_info(self, ok):
print ok
def print_load_started(self):
print 'started loading'
def print_load_percent(self, percent):
print percent
app = QApplication(sys.argv)
web = QWebView()
xprinter = XPrinter()
QObject.connect(web, SIGNAL("loadFinished()"), xprinter.print_page_info)
QObject.connect(web, SIGNAL("loadStarted()"), xprinter.print_load_started)
QObject.connect(web, SIGNAL("loadProgress()"), xprinter.print_load_percent)
web.load(QUrl("http://www.gnu.org"))
web.setWindowState(Qt.WindowMaximized)
web.show()
sys.exit(app.exec_())
我面临的问题是槽 loadFinished 和 loadProgress 从未执行。请告诉我哪里做错了?
最佳答案
尝试使用新的 style signals
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtWebKit import *
from PyQt4.QtNetwork import *
class XPrinter(QObject):
def __init__(self):
QObject.__init__(self)
def print_page_info(self, ok):
print ok
def print_load_started(self):
print 'started loading'
def print_load_percent(self, percent):
print percent
app = QApplication(sys.argv)
web = QWebView()
xprinter = XPrinter()
web.loadFinished.connect(xprinter.print_page_info)
web.loadStarted.connect(xprinter.print_load_started)
web.loadProgress.connect(xprinter.print_load_percent)
web.load(QUrl("http://www.gnu.org"))
web.setWindowState(Qt.WindowMaximized)
web.show()
sys.exit(app.exec_())
编辑: 而且你的签名也有错误 QWebview
QObject.connect(web, SIGNAL("loadFinished(bool)"), xprinter.print_page_info)
QObject.connect(web, SIGNAL("loadStarted()"), xprinter.print_load_started)
QObject.connect(web, SIGNAL("loadProgress(int )"), xprinter.print_load_percent)
关于python - QtWebkit:loadFinished 和 loadProgress 槽永远不会执行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5765077/