问如何在PyQT中创建分页栏？

EN

import sys
from PySide6.QtWidgets import *
from PySide6.QtCore import *
from PySide6.QtGui import *

class PageLink(QLabel):

    clicked = Signal([str])  # Signal emited when label is clicked

    def __init__(self, text, parent=None):
        super().__init__(text, parent=parent)
        self.setTextInteractionFlags(Qt.LinksAccessibleByMouse)
        self.setStyleSheet("color: blue;") # set text color to blue to emulate a link
        self.setCursor(Qt.PointingHandCursor)  # set the cursor to link pointer

    def mousePressEvent(self, event):
        self.clicked.emit(self.text())   # emit the clicked signal when pressed
        return super().mousePressEvent(event)


class MainWindow(QMainWindow):

    def __init__(self, parent=None) -> None:
        """Main Window Setup"""
        super().__init__(parent=parent)
        self.setWindowTitle("Pagination Demonstration")
        self.resize(600,400)
        self.central = QWidget(parent=self)
        self.layout = QVBoxLayout(self.central)
        self.setCentralWidget(self.central)

        # create the stacked widget that will contain each page...
        self.stackWidget = QStackedWidget(parent=self)
        self.layout.addWidget(self.stackWidget)

        # setup the layout for the page numbers below the stacked widget
        self.pagination_layout = QHBoxLayout()
        self.pagination_layout.addStretch(0)
        self.pagination_layout.addWidget(QLabel("<"))

        # create pages and corresponding labels
        for i in range(1, 6):
            page_link = PageLink(str(i), parent=self)
            self.pagination_layout.addWidget(page_link)
            page = QWidget()
            layout = QVBoxLayout(page)
            layout.addWidget(QLabel(f"This is page number {i} of 5"))
            self.stackWidget.addWidget(page)
            page_link.clicked.connect(self.switch_page)
        self.pagination_layout.addWidget(QLabel(">"))
        self.layout.addLayout(self.pagination_layout)

    def switch_page(self, page):
        self.stackWidget.setCurrentIndex(int(page) - 1)

app = QApplication(sys.argv)
window = MainWindow()
window.show()
app.exec()