pyqt5嵌入matplotlib

要在PyQt5中嵌入Matplotlib，你需要执行以下几个步骤：

1. 导入必要的库：

   from PyQt5 import QtWidgets
   import sys
   from matplotlib.figure import Figure
   from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas

2. 创建一个继承自`QtWidgets.QMainWindow`的窗口类：

   class MainWindow(QtWidgets.QMainWindow):
       def __init__(self):
           super().__init__()
           self.initUI()
       
       def initUI(self):
           # 创建Matplotlib的Figure对象
           self.fig = Figure()
           
           # 创建Matplotlib的Canvas对象，并将Figure对象设置为其父级
           self.canvas = FigureCanvas(self.fig)
           
           # 将Canvas对象设置为主窗口的中心部件
           self.setCentralWidget(self.canvas)

3. 在`if __name__ == '__main__':`中创建窗口类的对象，并显示窗口：

   if __name__ == '__main__':
       qApp = QtWidgets.QApplication(sys.argv)
       ui = MainWindow()
       ui.setWindowTitle("Test")
       ui.show()
       sys.exit(qApp.exec_())

通过执行以上代码，你将创建一个继承自`QtWidgets.QMainWindow`的窗口类，并在该窗口中嵌入了Matplotlib的图形。你可以根据需要对窗口进行更多的自定义和Matplotlib图形的绘制。<span class="em">1</span>
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