import sys import os import os import PySide2 dirname = os.path.dirname(PySide2.__file__) plugin_path = os.path.join(dirname, 'plugins', 'platforms') os.environ['QT_QPA_PLATFORM_PLUGIN_PATH'] = plugin_path import sys from PyQt5.QtWidgets import QApplication, QWidget, QPushButton from PyQt5.QtGui import QPixmap from PyQt5.QtWidgets import QLabel class MyApp(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.setGeometry(1000, 500, 800, 500) self.setWindowTitle('基于磁梯度张量的磁性目标定位算法仿真') label = QLabel(self) pixmap = QPixmap("C:/Users\突壳子\Desktop\8LJ9DT)W$B9K[QT`)1`F4)7.png") # 图片路径 label.setPixmap(pixmap) label.resize(pixmap.width(), pixmap.height()) label.move(0, 0) button1 = QPushButton('单点定位', self) button1.move(150, 100) button1.clicked.connect(self.runPyfile1) button2 = QPushButton('多点定位', self) button2.move(500, 100) button2.clicked.connect(self.runPyfile2) def runPyfile1(self): os.system('python C:\\Users\突壳子\Desktop\毕设代码\dddwfangzhen.py') '''self.setWindowTitle('Pyfile1 Executed')''' def runPyfile2(self): os.system('python C:/Users\突壳子\Desktop\毕设代码\duodiandwfz.py') '''self.setWindowTitle('Pyfile2 Executed')''' if __name__ == '__main__': app = QApplication(sys.argv) ex = MyApp() ex.show() sys.exit(app.exec_())用python，在这段代码中加入一个退出程序按钮的代码

这段代码是一个基于PyQt5的GUI应用程序，它用于仿真磁性目标定位算法。它导入了sys、os和PySide2模块，并设置了QT_QPA_PLATFORM_PLUGIN_PATH变量，这是PySide2中用于加载平台相关组件的路径。然后，它定义了一个MyApp类，继承自QWidget类，并在initUI