20200404307fengjunhao/aiapp/frame/app.py

from PyQt5.QtWidgets import QApplication
from frame.win import Win

class App(QApplication):  # 扩展QApplication类
    def __init__(self):   # 实现构造器
        super(App, self).__init__([])   # 调用父类构造器（参数：命令行参数）

        # 调用Win
        self.win = Win()
        self.win.show()