CombinedChartActivity中怎么把上坐标和竖线去掉

[xiyangyang8110]

[qiangguozhang]

YAxis right = chat.getAxisRight()//图表左侧的竖线
YAxis left=chat.getAxisLeft()//图表右侧的竖线
LimitLine topLimitLine = new LimitLine("最大值比如1000", "");
left.addLimitLine(topLimitLine.setLabelPosition(LimitLine.LimitLabelPosition.RIGHT_TOP));//设置顶部线，把这个注释了就没有顶部线了