在PyQT5的分组框中显示matplotlib图表

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QGroupBox, QVBoxLayout, QWidget
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.setWindowTitle("Matplotlib in PyQt5")
        self.setGeometry(100, 100, 800, 600)
        self.createGroupBox()

    def createGroupBox(self):
        groupBox = QGroupBox("Matplotlib Chart")
        layout = QVBoxLayout()

        # 创建一个Matplotlib图表
        fig = Figure()
        canvas = FigureCanvas(fig)
        layout.addWidget(canvas)

        # 在图表上绘制内容
        ax = fig.add_subplot(111)
        ax.plot([1, 2, 3, 4, 5], [1, 2, 3, 4, 5])

        groupBox.setLayout(layout)
        self.setCentralWidget(groupBox)

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