echarts echarts实例的属性和方法
1.获取容器相关 echartsInstance.getWidth() echartsInstance.getHeight() echartsInstance.getDom() 获取ECharts实例容器的dom节点2.获取当前配置 echartsInstance.getOption()3.图表自适应改变 echartsInstance. resize({ 配置项都是可传 width: number|string, height: number|string,
