擅长:python、mysql、java
<p>可以在类的init方法中添加css样式:</p>
<pre><code> def __init__(self, parent=None):
super(GraphicsWindow, self).__init__(parent)
scene = QGraphicsScene(self)
self.setScene(scene)
self.setBackgroundBrush(Qt.black)
self.setStyleSheet("border:0px")
</code></pre>