pyqt5 设置界面背景

 

 

 

from PyQt5.Qt import *
import sys

app = QApplication(sys.argv)

ui = QWidget()

ui.resize(1920, 1080)
palette = QPalette()
pix=QPixmap("./qq.jpg")

pix = pix.scaled(ui.width(),ui.height())

palette.setBrush(QPalette.Background,QBrush(pix))
ui.setPalette(palette)

ui.show()

if __name__ == '__main__':
    sys.exit(app.exec_())