PyQT5之QSS基础/子控件选择器

from PyQt5.QtWidgets import *
import sysclass BasicQCSS(QWidget):def __init__(self):super().__init__()self.setWindowTitle("QSS样式/子控件选择器")btn1 = QPushButton(self)btn1.setText("按钮1")btn1.setProperty("name", 'btn1')btn2 = QPushButton(self)btn2.setText("按钮2")btn2.setProperty("name", 'btn2')btn3 = QPushButton(self)btn3.setText("按钮3")btn3.setProperty("name", 'btn3')combo = QComboBox(self)combo.setObjectName("myComboBox")combo.addItem("Windows")combo.addItem("Linux")combo.addItem("Mac OS X")combo.move(50, 50)vbox = QVBoxLayout()vbox.addWidget(btn1)vbox.addWidget(btn2)vbox.addWidget(btn3)vbox.addWidget(combo)self.setLayout(vbox)self.setGeometry(350, 200, 320, 150)if __name__ == "__main__":app = QApplication(sys.argv)main = BasicQCSS()# 选择器# 将QComboBox的下拉图标更改为图片qssStyle = '''QPushButton[name='btn2'] {background-color:red;color:blue;height:120;font-size:60px;}QPushButton[name='btn3'] {background-color:yellow;color:red;height:60;font-size:30px;}QComboBox#myComboBox::drop-down{image:url(./image/img1.png)}'''main.setStyleSheet(qssStyle)main.show()sys.exit(app.exec_())