var data = { 'time':['2018-12-01', '2018-12-06', '2018-12-11', '2018-12-16', '2018-12-31', '2019-01-31', '2019-02-28'], 'yuanliao':[2158.69, 2229.35, 2176.11, 2133.02, 2034.8, 1960.4, 2364.21], 'yaopin':[4609.54, 4538.69, 4286, 4187.31, 3889.49, 4080.31, 4940.24], 'shengwu':[5619.62, 5701.04, 5259.15, 4900.77, 4593.07, 4251.27, 5358.16], 'zhongyao':[7217.14, 7339.75, 7207.81, 7177.55, 6820.39, 6497.35, 7757.75], 'fuwu':[3354.19, 3403.21, 3432.2, 3432.99, 3194.29, 3210.61, 3817.02], 'qixie':[5183.31, 5278.3, 5043.84, 4849.75, 4703.81, 4600.97, 5643.04], 'shangye':[2775.48, 2815.2, 2711.56, 2664.15, 2480.81, 2425.86, 2812.03] }; option = { grid: { top: '25%', bottom: '25%' }, xAxis: { type: 'category', axisTick: {show: false}, data: data.time, axisLabel: {interval: 0, rotate: 25, fontSize: 14} }, yAxis: { name: '总市值(亿元)', nameTextStyle: {fontSize: 14}, min: 1500 }, legend: { show: true, textStyle: {fontSize: 16}, top: '16%' }, title: { text: '医药行业各细分领域市值变化情况', left: 'center', top: '11%', textStyle: {fontSize: 24} }, backgroundColor: 'rgba(255,255,255,0.8)', series: [{ name: '化学原料', type: 'line', data: data.yuanliao, symbol: 'none', lineStyle: {width: 3}, markLine: { data: [{ name: '药品集采事件', xAxis: '2018-12-06' }], label: { formatter: '药品集采事件', fontSize: 16 }, symbol: 'none', lineStyle: {width: 2, color: '#6e7074'} } },{ name: '化学药品', type: 'line', data: data.yaopin, symbol: 'none', lineStyle: {width: 3} },{ name: '生物制品', type: 'line', data: data.shengwu, symbol: 'none', lineStyle: {width: 3} },{ name: '中药', type: 'line', data: data.zhongyao, symbol: 'none', lineStyle: {width: 3} },{ name: '医疗服务', type: 'line', data: data.fuwu, symbol: 'none', lineStyle: {width: 3} },{ name: '医疗器械', type: 'line', data: data.qixie, symbol: 'none', lineStyle: {width: 3} },{ name: '医药商业', type: 'line', data: data.shangye, symbol: 'none', lineStyle: {width: 3} }] }