PyQt5桌面应用

if __name__ == '__main__':
    # 创建实例
    app = QApplication(sys.argv)
    w = QWidget()
    w.resize(300, 150)
    w.move(300, 300)

    w.setWindowTitle("这是第一个桌面应用")
    w.show()

    sys.exit(app.exec_())

 python -m PyQt5.uic.pyuic demo.ui -o demo.py

-m PyQt5.uic.pyuic $FileName$ -o $FileNameWithoutExtension$.py

blog.csdn.net/u013973717/…

import sys
from PyQt5.QtWidgets import QApplication, QWidget,QMainWindow
import hello
if __name__ == '__main__':
    # 创建实例
    app = QApplication(sys.argv)
    mainWindow=QMainWindow()
    ui=hello.Ui_MainWindow()
    ui.setupUi(mainWindow)
    mainWindow.show()
    sys.exit(app.exec_())