>#### 区域颜色标识 ~~~ let seriesData = []; let Xdata = [ '01:00', '02:00', '03:00', '04:00', '05:00', '06:00', '07:00', '08:00', '09:00', '10:00', '11:00', '12:00', '13:00', '14:00', '15:00', '16:00', '17:00', '18:00', '19:00', '20:00', '21:00', '22:00', '23:00', '24:00', ]; let series = [ [ ['01:00', 10], ['02:00', 12], ['03:00', 12], ['04:00', 135], null, ['08:00', 135], ['09:00', 135], ['10:00', 130], ['11:00', 105], ['12:00', 112], ['13:00', 13], ['14:00', 15], ['15:00', 35], ['16:00', 75], ['17:00', 105], ['18:00', 10], ['19:00', 13], ['20:00', 15], ['21:00', 35], ['22:00', 35], ['23:00', 15], ['24:00', 5] ], [ ['04:00', 135], ['05:00', 10], ['06:00', 100], ['07:00', 120], ['08:00', 135] ], ]; let colors = [ ['rgba(34,143,254,1)', 'rgba(34,143,254,0.7)', 'rgba(34,143,254,0.1)'], ['rgba(254,0,0,1)', 'rgba(254,0,0,0.7)', 'rgba(254,0,0,0.1)'], ]; let line = ['开机', '关机',]; line.map((item, index) => { seriesData.push({ name: item, type: 'line', showSymbol: false, data: series[index], areaStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [{ offset: 0, color: colors[index][1], }, { offset: 1, color: colors[index][2], }, ], false ), }, }, itemStyle: { normal: { color: colors[index][0], }, }, lineStyle: { width: 1, }, }); }); option = { toolbox: { feature: { saveAsImage: {} } }, backgroundColor: "#0f375f", title: { text: '区域颜色标识', left: 'center', top: '10px', textStyle: { color: '#ffffff' } }, legend: { top: '10%', show: true, textStyle: { color: '#f2f2f2', fontSize: 14, }, }, grid: { show: false, width: '93%', left: '5%', right: '2%', bottom: '10%', top: '17%', }, tooltip: { trigger: 'axis', axisPointer: { type: 'line', }, textStyle: { fontSize: 14, }, }, xAxis: { type: 'category', interval: 5, boundaryGap: false, axisLabel: { show: true, color: 'red', fontSize: 14, }, axisLine: { lineStyle: { color: 'rgba(73, 163, 255, 1)', width: 1, }, }, axisTick: { show: false, }, data: Xdata, }, yAxis: { type: 'value', nameTextStyle: { color: 'red', padding: [0, 0, 0, 0], }, axisLabel: { show: true, color: 'red', fontSize: 14, }, axisLine: { lineStyle: { color: '#344755', width: 0, }, }, splitLine: { show: true, lineStyle: { color: 'rgba(20, 82, 129, 1)', width: 0.5, }, }, axisTick: { show: false, }, }, series: seriesData, }; ~~~ >#### 效果图  <hr>