import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget
from PyQt5.QtWebEngineWidgets import QWebEngineView

class WebBrowserWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        self.browser = QWebEngineView()
        self.browser.setUrl(QUrl("https://www.qq.com"))  # 设置要打开的网页

        layout = QVBoxLayout()
        layout.addWidget(self.browser)

        central_widget = QWidget()
        central_widget.setLayout(layout)

        self.setCentralWidget(central_widget)
        self.setWindowTitle("Web Browser")
        self.setGeometry(100, 100, 800, 600)

def main():
    app = QApplication(sys.argv)
    window = WebBrowserWindow()
    window.show()
    sys.exit(app.exec_())

if __name__ == "__main__":
    main()