创建用于放置文件的半透明画布[PyQT]

from PyQt5.QtWidgets import QGraphicsView, QGraphicsScene, QApplication
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QColor

class CustomGraphicsView(QGraphicsView):
    def __init__(self):
        super().__init__()
        self.setStyleSheet("background: transparent;")
        self.setWindowFlags(Qt.FramelessWindowHint)

class CustomGraphicsScene(QGraphicsScene):
    def __init__(self):
        super().__init__()
        self.setBackgroundBrush(QColor(0, 0, 0, 0))  # 设置透明背景

if __name__ == "__main__":
    app = QApplication([])
    view = CustomGraphicsView()
    scene = CustomGraphicsScene()
    view.setScene(scene)
    view.show()
    app.exec()