0505QStackedWidget

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本文介绍如何使用PyQt5中的QStackedWidget组件来实现类似Tab切换的效果，通过左侧列表选择不同的页面进行显示。文章详细展示了创建多个页面、布局设置及信号槽连接的方法。

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

#父级又是QWidget，不清楚什么时候是QWidget什么时候是其它
class demoStackedWidget(QWidget):
    def __init__(self):
        super(demoStackedWidget, self).__init__()

        self.setGeometry(600, 200, 300, 100)
        self.setWindowTitle("0505QStackedWidget")

        self.leftList = QListWidget()
        self.leftList.insertItem(0, "Contect")
        self.leftList.insertItem(1, "Personal Information")
        self.leftList.insertItem(2, "Education")

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

        self.UIstack1()
        self.UIstack2()
        self.UIstack3()

        self.stack = QStackedWidget(self)
        self.stack.addWidget(self.stack1)
        self.stack.addWidget(self.stack2)
        self.stack.addWidget(self.stack3)

        hbox = QHBoxLayout(self)
        hbox.addWidget(self.leftList)
        hbox.addWidget(self.stack)

        self.setLayout(hbox)
        self.leftList.currentRowChanged.connect(self.display)

    def UIstack1(self):
        layout = QFormLayout()
        layout.addRow("Name: ", QLineEdit())
        layout.addRow("Address: ", QLineEdit())
        self.stack1.setLayout(layout)

    def UIstack2(self):
        layout = QFormLayout()
        genderLayout = QHBoxLayout()
        #genderLayout.addWidget(QLabel("Gender: "))
        genderLayout.addWidget(QRadioButton("Male"))
        genderLayout.addWidget(QRadioButton("Female"))
        layout.addRow("Gender: ", genderLayout)
        layout.addRow("Birthday: ", QLineEdit())
        self.stack2.setLayout(layout)

    def UIstack3(self):
        layout = QHBoxLayout()
        layout.addWidget(QLabel("Subject: "))
        layout.addWidget(QCheckBox("Physics"))
        layout.addWidget(QCheckBox("Advanced Mathematics"))
        self.stack3.setLayout(layout)

    def display(self, i):
        self.stack.setCurrentIndex(i)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = demoStackedWidget()
    win.show()
    sys.exit(app.exec_())