Pyqt qwidget red) w. PyQt 如何设置QWidget背景颜色 在本文中，我们将介绍如何使用PyQt设置QWidget的背景颜色。PyQt是一个流行的Python GUI库，它允许我们创建功能丰富的图形界面应用程序。通过几个简单的步骤，我们可以通过代码设置QWidget的背景颜色。 创建自定义小部件. We accept a single parameter when creating the widget — color (a str). I now want to bring the Widgets inside QVBoxLayout closer to each other. backgroundRole(), Qt. In this tutorial we'll learn how to use PyQt to create desktop applications with Python. Return type: QWidget. Released in 2021, PyQt6 brings modern GUI capabilities to Python developers, allowing us to create cross-platform applications that run seamlessly on Windows, macOS, and Linux. Every complete and partial re-draw of a widget is triggered through a paintEvent which the widget handles to draw itself. QWidget 简介. lueluqexmeecxrznjocreeumpfmrtcwvbsembgzdyzqrmylxorttqsjvokfcdouaqxnpclrxhgk