#@Time :2021/03/01
#@Author:Moyu
import sys
from PyQt5 import QtWidgets,QtCore
app = QtWidgets.QApplication(sys.argv)
widget = QtWidgets.QWidget()
widget.resize(360,360)
widget.setWindowTitle("Hello!")
widget.show()
sys.exit(app.exec_())
import sys
from PyQt5.QtWidgets import QApplication ,QMainWindow
from Ui_firstMainWin import *
class MyMainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, parent = None):
super(MyMainWindow, self).__init__(parent)
self.setupUi(self)
if __name__ == "__main__":
app = QApplication(sys.argv)
myWin = MyMainWindow()
myWin.show()
sys.exit(app.exec_())
原文:https://www.cnblogs.com/dglyf/p/14474961.html