plt 饼状图嵌入pyqt页面

# 创建一个Figure和一个Axes
        fig = Figure()
        ax = fig.subplots()
        fig.patch.set_alpha(0)
        # 创建饼图数据
        labels = ['1', '2', '3', '4', '5', '6']
        sizes = [15, 30, 20, 10,10,15]

        explode = (0, 0.1, 0, 0,0,0)  # 弹出第二个部分

        # 使用hls_palette生成颜色，并传递到pie函数
        # 深蓝色款
        # colors =sns.color_palette("Blues_d",len(sizes))
        # 绿色款
        # colors = sns.color_palette("ch:2.5,-.2,dark=.3")
        # colors = sns.color_palette(palette='Accent')
        colors = sns.color_palette(n_colors=21,desat=0.2)
        # 使用Axes实例创建饼图
        ax.pie(sizes, explode=explode, labels=labels,colors=colors, autopct='%1.1f%%', radius=1.2,shadow=False, startangle=90,textprops={'fontsize':10, 'color': 'white'})
        # 创建FigureCanvas
        canvas = FigureCanvas(fig)
        fig.patch.set_facecolor('none')
        ax.set_aspect('equal')
        canvas.setStyleSheet("background-color: transparent;")
        width, height = self.graphicsView.width(), self.graphicsView.height()
        canvas.resize(220, 200)
        canvas.setGeometry(canvas.geometry())
        self.scene = QGraphicsScene()  # 创建一个场景
        self.scene.addWidget(canvas)  # 将图形元素添加到场景中
        self.graphicsView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.graphicsView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.graphicsView.setScene(self.scene)  # 将创建添加到图形视图显示窗口