我正在使用PyQt5和Python开发浏览器应用程序。我必须使其响应。我试图更改setGeometry（）尺寸，但不起作用。
如果您能帮助我，将不胜感激。
Python版本3.7.2
from PyQt5 import QtCore, QtGui, QtWidgets # +++ QtWidgets
from PyQt5 import QtWebEngineWidgets
class Ui_MainWindow(object):
def back(self): self.webView.back()
def forword(self): self.webView.forward()
def reload(self): self.webView.reload()
def home(self):
self.webView.load(QtCore.QUrl("http://pyxisad.com"))
def search(self):
url = self.ln_addressbar.text()
self.webView.load(QtCore.QUrl(url))
def setupUi(self, MainWindow):
MainWindow.setObjectName("PyxisAd")
MainWindow.resize(1000, 1000)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.tb_back = QtWidgets.QToolButton(self.centralwidget)
self.tb_back.setGeometry(QtCore.QRect(10, 20, 41, 31))
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap("icons/back.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.tb_back.setIcon(icon)
self.tb_back.setIconSize(QtCore.QSize(32, 32))
self.tb_back.setObjectName("tb_back")
############### Event #############################
self.tb_back.clicked.connect(self.back)
##################################################
self.tb_reload = QtWidgets.QToolButton(self.centralwidget)
self.tb_reload.setGeometry(QtCore.QRect(60, 20, 41, 31))
icon1 = QtGui.QIcon()
icon1.addPixmap(QtGui.QPixmap("icons/reload.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.tb_reload.setIcon(icon1)
self.tb_reload.setIconSize(QtCore.QSize(32, 32))
self.tb_reload.setObjectName("tb_reload")
############### Event #############################3
self.tb_reload.clicked.connect(self.reload)
##################################################
self.tb_forword_2 = QtWidgets.QToolButton(self.centralwidget)
self.tb_forword_2.setGeometry(QtCore.QRect(110, 20, 41, 31))
icon2 = QtGui.QIcon()
icon2.addPixmap(QtGui.QPixmap("icons/forword.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.tb_forword_2.setIcon(icon2)
self.tb_forword_2.setIconSize(QtCore.QSize(32, 32))
self.tb_forword_2.setObjectName("tb_forword_2")
############### Event #############################3
self.tb_forword_2.clicked.connect(self.forword)
##################################################
self.tb_home = QtWidgets.QToolButton(self.centralwidget)
self.tb_home.setGeometry(QtCore.QRect(160, 20, 41, 31))
icon3 = QtGui.QIcon()
icon3.addPixmap(QtGui.QPixmap("icons/home.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.tb_home.setIcon(icon3)
self.tb_home.setIconSize(QtCore.QSize(32, 32))
self.tb_home.setObjectName("tb_home")
############### Event #############################3
self.tb_home.clicked.connect(self.home)
##################################################
self.ln_addressbar = QtWidgets.QLineEdit(self.centralwidget)
self.ln_addressbar.setGeometry(QtCore.QRect(210, 20, 491, 31))
self.ln_addressbar.setObjectName("ln_addressbar")
self.tb_search = QtWidgets.QToolButton(self.centralwidget)
self.tb_search.setGeometry(QtCore.QRect(710, 20, 41, 31))
icon4 = QtGui.QIcon()
icon4.addPixmap(QtGui.QPixmap("icons/search.png"), QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.tb_search.setIcon(icon4)
self.tb_search.setIconSize(QtCore.QSize(32, 32))
self.tb_search.setObjectName("tb_search")
############### Event #############################3
self.tb_search.clicked.connect(self.search)
#self.tb_search.returnPressed.connect(self.search)
##################################################
self.webView = QtWebEngineWidgets.QWebEngineView(self.centralwidget) # + QWebEngineView
self.webView.setGeometry(QtCore.QRect(0, 60, 1400, 700))
self.webView.setUrl(QtCore.QUrl("about:blank"))
self.webView.setObjectName("webView")
MainWindow.setCentralWidget(self.centralwidget)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("PyxisAd", "PyxisAd"))
self.tb_back.setText(_translate("PyxisAd", "back"))
self.tb_reload.setText(_translate("PyxisAd", "reload"))
self.tb_forword_2.setText(_translate("PyxisAd", "forword"))
self.tb_home.setText(_translate("PyxisAd", "home"))
self.tb_search.setText(_translate("PyxisAd", "search"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())