var base = +new Date(2020, 0, 0); var oneDay = 24 * 3600 * 1000; var date = []; var data = [Math.random() * 300]; var data2 = [Math.random() * 300]; var data3 = [Math.random() * 300]; var data4 = [Math.random() * 300]; var data5 = [Math.random() * 300]; for (var i = 1; i < 367; i++) { var now = new Date(base += oneDay); date.push([now.getFullYear(), now.getMonth() + 1, now.getDate()].join('/')); data.push(Math.round((Math.random() - 0.5) * 20 + data[i - 1])); data2.push(Math.round((Math.random() - 0.5) * 20 + data2[i - 1])); data3.push(Math.round((Math.random() - 0.5) * 20 + data3[i - 1])); data4.push(Math.round((Math.random() - 0.5) * 20 + data4[i - 1])); data5.push(Math.round((Math.random() - 0.5) * 20 + data5[i - 1])); } option = { tooltip: { trigger: 'axis', position: function (pt) { return [pt[0], '10%']; } }, title: { left: 'center', text: '大数据量面积图', }, toolbox: { feature: { dataZoom: { yAxisIndex: 'none' }, restore: {}, saveAsImage: {} } }, xAxis: { type: 'category', boundaryGap: false, data: date, axisLabel:{ formatter:function (value, index) { // 格式化成月/日,只在第一个刻度显示年份 var date = new Date(value); var texts = [(date.getMonth() + 1), date.getDate()]; return texts.join('/'); } } }, yAxis: { type: 'value', boundaryGap: [0, '100%'] }, dataZoom: [{ type: 'inside', start: 0, end: 10 }, { start: 0, end: 10, handleIcon: 'M10.7,11.9v-1.3H9.3v1.3c-4.9,0.3-8.8,4.4-8.8,9.4c0,5,3.9,9.1,8.8,9.4v1.3h1.3v-1.3c4.9-0.3,8.8-4.4,8.8-9.4C19.5,16.3,15.6,12.2,10.7,11.9z M13.3,24.4H6.7V23h6.6V24.4z M13.3,19.6H6.7v-1.4h6.6V19.6z', handleSize: '80%', handleStyle: { color: '#fff', shadowBlur: 3, shadowColor: 'rgba(0, 0, 0, 0.6)', shadowOffsetX: 2, shadowOffsetY: 2 } }], series: [ { name: '2020预算', type: 'line', smooth: true, symbol: 'none', sampling: 'average', itemStyle: { color: '#CA76C4' }, data: data }, { name: '2019预算', type: 'line', smooth: true, symbol: 'none', sampling: 'average', itemStyle: { color: '#EFAA4E' }, data: data2 }, { name: '本行指标', type: 'line', smooth: true, symbol: 'none', sampling: 'average', itemStyle: { color: '#75CFA0' }, data: data3 }, { name: '2019同业', type: 'line', smooth: true, symbol: 'none', sampling: 'average', itemStyle: { color: '#C75E5E' }, data: data4 }, { name: '2019本行指标', type: 'line', smooth: true, symbol: 'none', sampling: 'average', itemStyle: { color: '#4250BA' }, data: data5 } ] };