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from PySide6.QtWidgets import QApplication, QMainWindow, QVBoxLayout
from PySide6.QtUiTools import QUiLoader
from PySide6.QtGui import  QIcon

from matplotlib.backends.backend_qtagg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qtagg import NavigationToolbar2QT as NavigationToolbar
from matplotlib.figure import Figure
from matplotlib import pyplot as plt
plt.rcParams['font.sans-serif'] = ['SimSun']  # 使用宋体
plt.rcParams['axes.unicode_minus'] = False  # 用来正常显示负号

from test_of_matplotlib import create_plot_with_draggable_points

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# 先实例化 QUiLoader
uiLoader = QUiLoader()

class MyWindow(QMainWindow):

    def __init__(self):
        super().__init__()
        # 加载 .ui 文件
        self.ui = uiLoader.load('D://python_study//qt/test.ui')

        # 初始化画布（在Graphics View中显示图表）
        self.canvas = FigureCanvas(Figure())
        self.toolbar = NavigationToolbar(self.canvas, self)  # 添加导航工具栏
        self.layout = QVBoxLayout(self.ui.graphicsView)  # 假设控件命名为graphicsView
        self.layout.addWidget(self.toolbar)
        self.layout.addWidget(self.canvas)


        # 连接按钮的点击事件
        self.ui.button.clicked.connect(self.on_button_clicked)

    def on_button_clicked(self):
        # 调用绘图函数并在canvas中显示
        create_plot_with_draggable_points(self.canvas)



if __name__ == '__main__':
    app = QApplication([])  # QApplication 的实例化放在 QUiLoader 实例化之后
    app.setWindowIcon(QIcon('logo.png')) # 加载 icon
    window = MyWindow()
    window.ui.show()
    app.exec()