option = { title: { text: '历年发展趋势' }, grid: { right: '50%', bottom: '70%' }, xAxis: { type: "category", name: '时间', axisLine: { lineStyle: { color: '#000' } }, data: [2013, 2014, 2015, 2016, 2017, 2018] }, yAxis: { type: 'value', name: '持证企业数', min: 0, max: 10000, position: 'left', }, series: [{ name: '持证企业数', color: ['#d82c26'], type: 'line', itemStyle: { normal: { lineStyle: { width: 5, //折线宽度 }, color: '#35a17a', opacity: 0.4 } }, data: [3379, 4300, 3018, 3793, 3835, 3923, 3041, 3270, 3111, 4474, 4294, 3826] }] };