areaStyle设置渐变色areaStyle: { color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [ { offset: 0, color: 'rgba(98, 227, 255, 1)' }, { offset: 1, color: 'rgba(98, 227, 255, 0)' } ]) },
areaStyle设置渐变色
