通过点击左边的列表选项, 通过绑定按钮，使得右侧的堆栈窗口控件的界面显示发生变化

QStackedWidget.py 

"""
堆栈窗口控件(QStackedWidget)
"""

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *

class StackedExample(QWidget):
    def __init__(self):
        super(StackedExample, self).__init__()
        self.setGeometry(300, 50, 10, 10)
        self.setWindowTitle("堆栈窗口控件 (QStackedWidget)")

        self.list = QListWidget()
        self.list.insertItem(0, "联系方式")
        self.list.insertItem(1, "个人信息")
        self.list.insertItem(2, "教育程度")

        self.stack1 = QWidget()
        self.stack2 = QWidget()
        self.stack3 = QWidget()

        self.tab1UI()
        self.tab2UI()
        self.tab3UI()
        #构造堆栈窗口
        self.stack = QStackedWidget()
        #将界面添加到窗口上
        self.stack.addWidget(self.stack1)
        self.stack.addWidget(self.stack2)
        self.stack.addWidget(self.stack3)

        hbox = QHBoxLayout()
        hbox.addWidget(self.list)
        hbox.addWidget(self.stack)
        self.setLayout(hbox)
        #对于列表进行点击绑定
        self.list.currentRowChanged.connect(self.display)

    def tab1UI(self):
        layout = QFormLayout()
        layout.addRow("姓名", QLineEdit())
        layout.addRow("地址", QLineEdit())
        # 在界面上添加对应的控件
        self.stack1.setLayout(layout)

    def tab2UI(self):
        layout = QFormLayout()
        sex = QHBoxLayout()
        sex.addWidget(QRadioButton("男"))
        sex.addWidget(QRadioButton("女"))
        layout.addRow(QLabel('性别'), sex)
        layout.addRow("生日", QLineEdit())
        self.stack2.setLayout(layout)

    def tab3UI(self):
        layout = QHBoxLayout()
        layout.addWidget(QLabel("科目"))
        layout.addWidget(QCheckBox("物理"))
        layout.addWidget(QCheckBox("高数"))
        self.stack3.setLayout(layout)

    def display(self, index):
        #设置当前的堆栈界面显示为第几个界面
        self.stack.setCurrentIndex(index)
if __name__ == "__main__":
    app = QApplication(sys.argv)
    main = StackedExample()
    main.show()
    sys.exit(app.exec_())