91 lines
2.9 KiB
Python
91 lines
2.9 KiB
Python
from PyQt5.QtWidgets import *
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from PyQt5.QtCore import *
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class Page1(QWidget):
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def __init__(self):
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super().__init__()
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layout = QVBoxLayout()
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label = QLabel("这是页面 1")
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layout.addWidget(label)
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self.setLayout(layout)
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class Page2(QWidget):
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def __init__(self):
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super().__init__()
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layout = QVBoxLayout()
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label = QLabel("这是页面 2")
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layout.addWidget(label)
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self.setLayout(layout)
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class Page3(QWidget):
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def __init__(self):
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super().__init__()
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layout = QVBoxLayout()
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label = QLabel("这是页面 3")
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layout.addWidget(label)
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self.setLayout(layout)
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class Page4(QWidget):
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def __init__(self):
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super().__init__()
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layout = QVBoxLayout()
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label = QLabel("这是页面 4")
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layout.addWidget(label)
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self.setLayout(layout)
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class MainWindow(QMainWindow):
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def __init__(self):
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super(MainWindow, self).__init__()
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self.setWindowTitle("多页面切换示例")
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# 创建顶部的水平布局
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top_layout = QHBoxLayout()
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# 创建页面切换按钮
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self.page1_button = QPushButton("页面 1")
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self.page2_button = QPushButton("页面 2")
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self.page3_button = QPushButton("页面 3")
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self.page4_button = QPushButton("页面 4")
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# 将按钮添加到水平布局
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top_layout.addWidget(self.page1_button)
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top_layout.addWidget(self.page2_button)
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top_layout.addWidget(self.page3_button)
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top_layout.addWidget(self.page4_button)
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# 创建页面容器
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self.stacked_widget = QStackedWidget()
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self.page1 = Page1()
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self.page2 = Page2()
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self.page3 = Page3()
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self.page4 = Page4()
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self.stacked_widget.addWidget(self.page1)
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self.stacked_widget.addWidget(self.page2)
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self.stacked_widget.addWidget(self.page3)
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self.stacked_widget.addWidget(self.page4)
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# 创建主布局，并将顶部布局和页面容器添加进去
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main_layout = QVBoxLayout()
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main_layout.addLayout(top_layout)
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main_layout.addWidget(self.stacked_widget)
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# 创建一个中心部件，并设置布局
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central_widget = QWidget()
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central_widget.setLayout(main_layout)
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# 设置主窗口的中心部件
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self.setCentralWidget(central_widget)
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# 连接按钮的信号和槽，以切换页面
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self.page1_button.clicked.connect(lambda: self.stacked_widget.setCurrentWidget(self.page1))
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self.page2_button.clicked.connect(lambda: self.stacked_widget.setCurrentWidget(self.page2))
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self.page3_button.clicked.connect(lambda: self.stacked_widget.setCurrentWidget(self.page3))
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self.page4_button.clicked.connect(lambda: self.stacked_widget.setCurrentWidget(self.page4))
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if __name__ == "__main__":
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app = QApplication([])
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window = MainWindow()
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window.show()
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app.exec_() |