Python QComboBox.setStyleSheet示例

    def initUI(self):
        self.setWindowTitle("QTableWidget 例子")
        self.resize(430, 300);
        conLayout = QHBoxLayout()
        tableWidget = QTableWidget()
        tableWidget.setRowCount(4)
        tableWidget.setColumnCount(3)
        conLayout.addWidget(tableWidget)

        tableWidget.setHorizontalHeaderLabels(['姓名', '性别', '体重(kg)'])

        newItem = QTableWidgetItem("张三")
        tableWidget.setItem(0, 0, newItem)

        comBox = QComboBox()
        comBox.addItem("男")
        comBox.addItem("女")
        comBox.setStyleSheet("QComboBox{margin:3px};")
        tableWidget.setCellWidget(0, 1, comBox)

        searchBtn = QPushButton("修改")
        searchBtn.setDown(True)
        searchBtn.setStyleSheet("QPushButton{margin:3px};")
        tableWidget.setCellWidget(0, 2, searchBtn)

        self.setLayout(conLayout)

示例#2

显示文件

文件： ColorWheel.py 项目： ZhengyiHuang/johnny

    def initUI(self):
        box = QComboBox(self)
        box.resize(box.sizeHint())
        box.setStyleSheet("""
QComboBox::drop-down {border-width: 0px;}
QComboBox::down-arrow {image: url(noimg); border-width: 0px;}
""")
        box.move(50, 50)

        #Using the palette doesn't work:
        pal = box.palette()
        pal.setColor(box.backgroundRole(), QColor())
        box.setAutoFillBackground(True)
        box.setPalette(pal)

        self.setGeometry(300, 300, 250, 150)
        self.show()