option = { backgroundColor:"white", xAxis: { type: 'category', data: ['13:01:05', '13:05:06', '13:30:00', '13:31:00', '13:35:00', '13:40:00', '13:50:00'] }, yAxis: { type: 'value', name:'CPU使用率/%', splitLine:{ show:false } }, series: [{ symbolSize:0, data: [60, 61.5, 62.5, "-", "-", "-", "-"], type: 'line', smooth: true, itemStyle:{ color:'red' }, markLine:{ symbolSize:0, label:{ distance :[-100,-100 ,-100,-100], // position:'insideEndTop', formatter:param=>{ return param.name+' ' } }, lineStyle:{type:'dotted'}, data:[ { name:'冒烟测试', xAxis:'13:30:00', }, { name:'基本信息检查', xAxis:'13:35:00', }, { name:'老化测试', xAxis:'13:50:00', } ]} },{ symbolSize:0, data: ["-","-", 62.5, 55, 53, '-', "-"], type: 'line', smooth: true, itemStyle:{ color:'yellow' } },{ symbolSize:0, data: ["-", "-", "-","-", 53, 55, 60], type: 'line', smooth: true, itemStyle:{ color:'blue' } }] };