var chartDom = document.getElementById('main'); var myChart = echarts.init(chartDom); // 指定图表的配置项和数据 var option = { xAxis: { type: 'category', data: [1,2,3,4,5,6] }, yAxis: { type: 'value' }, tooltip:{ trigger:'axis' }, dataZoom:[{ type:"inside" //详细配置可见echarts官网 }], series: [ { name: 'DN', data: [150, 230, 224, 218, 135, 147, 260], type: 'line' } ] }; option.xAxis.data=xx; option.series[0].data=yy; option myChart.setOption(option);