def paintEvent(self,event):
qp = QPainter()
qp.begin(self)
qp.setPen(Qt.blue)
#绘制弧
rect = QRect(0,10,100,100)#左上角点,长度,宽 度
qp.drawArc(rect, 0, 50*
def paintEvent(self,event):
qp = QPainter()
qp.begin(self)
qp.setPen(Qt.blue)
#绘制弧
rect = QRect(0,10,100,100)#左上角点,长度,宽 度
qp.drawArc(rect, 0, 50*