01from PyQt5.QtWidgets import QApplication, QWidget,QListWidget

02import sys

03app = QApplication.(sys.argv)

04window = QWidget( )

05window.__setWindowTitle_(“My Window”) < 设置窗口标题

06window._setGeometry_(500,500,300,200) <设置窗口位置和大小

07list_widget = QListWidget(window)< 以window窗口建立列表控件

08list_widget._addltems__(["ltem 1", "ltem 2", "ltem 3"]) < 添加列表项

09window.show( )

10sys.exit(app.exec_( ))

01from PyQt5.QtWidgets import QApplication,QProgressBar

02app =QApplication([])

03window =QWidget()

04progress_bar = QProgressBar(window)

05progress_bar._setRange___(0,100)<设置进度条范围

06progress_bar._setValue_(50)<设置进度值

07window.show( )

08app.exec_( )