option = { title: { text: '不同温度条件下气体涡轮流量计的示值误差曲线' }, tooltip: { trigger: 'axis' }, legend: { x: 'right', data: ['20°', '10°', '0°'] }, toolbox: { show : true, feature : { mark : {show: true}, dataView : {show: true, readOnly: false}, magicType : {show: true, type: ['line', 'bar']}, restore : {show: true}, saveAsImage : {show: true} } }, xAxis: { type: 'category', data: ['100', '40', '20', '10'] }, yAxis: { type: 'value', axisLabel: { formatter: '{value} %' } }, series: [{ name: '0°', type: 'line', data: [-0.67, -0.4, -1.45, -2.58], markPoint: { data: [{ name: '', value: -0.67, xAxis: 101.81, yAxis: -0.67 }, { name: '', value: -0.4, xAxis: 41.19, yAxis: -0.4 }, { name: '', value: -1.45, xAxis: 20.26, yAxis: -1.45 }, { name: '', value: -2.58, xAxis: 10.9, yAxis: -2.58 } ] } }, { name: '20°', type: 'line', data: [0.12, 0.35, 0.4, -0.28], markPoint: { data: [{ name: '', value: 0.12, xAxis: 99.57, yAxis: 0.12 }, { name: '', value: 0.35, xAxis: 40.35, yAxis: 0.35 }, { name: '', value: 0.4, xAxis: 19.83, yAxis: 0.4 }, { name: '', value: -0.28, xAxis: 10.06, yAxis: -0.28 } ] } }, { name: '10°', type: 'line', data: [-0.42, -0.22, -0.96, -1.98], markPoint: { data: [{ name: '', value: -0.42, xAxis: 101.36, yAxis: -0.42 }, { name: '', value: -0.22, xAxis: 40.97, yAxis: -0.22 }, { name: '', value: -0.96, xAxis: 20.14, yAxis: -0.96 }, { name: '', value: -1.98, xAxis: 10.84, yAxis: -1.98 } ] } }] };