echarts链接:http://gallery.echartsjs.com/editor.html?c=xB1Sfo5JbX 代码: var xData = ['a', 'b', 'c', 'd', 'e']; var yData = [80, 87, 51, 81, 23]; option = { backgroundColor: 'black', color: ['#3398DB'], tooltip: { trigger: 'axis', axisPointer: { type: 'li