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开发环境配置请参考博文:
【python】在PyCharm中使用pyQT5进行GUI开发的基本流程
加载网页需要使用PyQTWebEngine库,可以使用import PyQt5.QtWebEngineWidgets
测试是否有这个库,如果没有,需要先安装
在QT Designer里面,没有WebEngine窗体,只能在程序中创建,先将其他的部分放好。
这儿放置了一个LineEdIT,用于输入网址,一个按钮
使用pyUIC生成代码,生成的代码为:
# -*- coding: utf-8 -*- # Form implementation generated From reading ui file 'web.ui' # # Created by: PyQt5 UI code generator 5.15.4 # # WARNING: Any manual changes made to this file will be lost when pyuic5 is # run again. Do not edit this file unless you know what you are doing. from PyQt5 import QtCore, QtGui, QtWidgets class Ui_MainWindow(object): def SETUPUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(1200, 700) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.lineEdit = QtWidgets.QLineEdit(self.centralwidget) self.lineEdit.setGeometry(QtCore.QRect(20, 10, 631, 31)) self.lineEdit.setObjectName("lineEdit") self.pushButton = QtWidgets.QPushButton(self.centralwidget) self.pushButton.setGeometry(QtCore.QRect(690, 10, 90, 30)) self.pushButton.setObjectName("pushButton") MainWindow.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(MainWindow) self.menubar.setGeometry(QtCore.QRect(0, 0, 1200, 23)) self.menubar.setObjectName("menubar") MainWindow.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(MainWindow) self.statusbar.setObjectName("statusbar") MainWindow.setStatusBar(self.statusbar) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow")) self.lineEdit.setText(_translate("MainWindow", "http://www.baidu.com")) self.pushButton.setText(_translate("MainWindow", "打开"))
引入库文件
from PyQt5 import QtCore, QtGui, QtWidgets,QtWebEngineWidgets
1、添加WebEngine窗体
## 创建web窗体 self.qwebengine = QtWebEngineWidgets.QWebEngineView(MainWindow) self.qwebengine.setGeometry(20, 50, 1600, 600)
2、创建按钮功能
## 创建连接 self.pushButton.clicked.connect(self.oPEn_url)
3、编写按钮函数
def open_url(self): url=self.lineEdit.text() self.qwebengine.load(QtCore.QUrl(url))
4、添加启动程序
import Sys if __name__ == '__main__': app = QtWidgets.QApplication(sys.argv) MainWindow = QtWidgets.QMainWindow() # 创建窗体对象 ui = Ui_MainWindow() # 创建PyQt设计的窗体对象 ui.setupUi(MainWindow) # 调用窗体的方法对对象进行初始化设置 MainWindow.show() # 显示窗体 sys.exit(app.exec_()) # 程序关闭时退出进程
5、完整代码
# -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'web.ui' # # Created by: PyQt5 UI code generator 5.15.4 # # WARNING: Any manual changes made to this file will be lost when pyuic5 is # run again. Do not edit this file unless you know what you are doing. from PyQt5 import QtCore, QtGui, QtWidgets,QtWebEngineWidgets class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow.setObjectName("打开网页") MainWindow.resize(1640, 700) self.centralwidget = QtWidgets.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") self.lineEdit = QtWidgets.QLineEdit(self.centralwidget) self.lineEdit.setGeometry(QtCore.QRect(20, 10, 630, 30)) self.lineEdit.setObjectName("lineEdit") self.pushButton = QtWidgets.QPushButton(self.centralwidget) self.pushButton.setGeometry(QtCore.QRect(690, 10, 90, 30)) self.pushButton.setObjectName("pushButton") MainWindow.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(MainWindow) self.menubar.setGeometry(QtCore.QRect(0, 0, 1200, 23)) self.menubar.setObjectName("menubar") MainWindow.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(MainWindow) self.statusbar.setObjectName("statusbar") MainWindow.setStatusBar(self.statusbar) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) ## 创建web窗体 self.qwebengine = QtWebEngineWidgets.QWebEngineView(MainWindow) self.qwebengine.setGeometry(20, 50, 1600, 600) ## 创建连接 self.pushButton.clicked.connect(self.open_url) def retranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "打开网页")) self.lineEdit.setText(_translate("MainWindow", "http://www.baidu.com")) self.pushButton.setText(_translate("MainWindow", "打开")) def open_url(self): url=self.lineEdit.text() self.qwebengine.load(QtCore.QUrl(url)) import sys if __name__ == '__main__': app = QtWidgets.QApplication(sys.argv) MainWindow = QtWidgets.QMainWindow() # 创建窗体对象 ui = Ui_MainWindow() # 创建PyQt设计的窗体对象 ui.setupUi(MainWindow) # 调用窗体的方法对对象进行初始化设置 MainWindow.show() # 显示窗体 sys.exit(app.exec_()) # 程序关闭时退出进程
6、运行
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