option = { tooltip: { trigger: 'axis', }, legend: { data:['平均下单'] }, grid: { left: '4%', right: '4%', bottom: '3%', containLabel: true }, xAxis: { boundaryGap: false, data: ['12月01','12月02','12月03','12月04','12月05','12月06','12月07'] }, yAxis: { name:'订单量', type: 'value' }, series: [ { name:'平均下单', type:'line', data:[0.13, 0.12, 0.11, 0.14, 0.19, 0.13, 0.17, 0.11, 0.5, 0.3, 0.8, 0.12] } ] }; myChart.setOption(option); function randomData() { return Math.round(Math.random()*1000); }