>多纵向坐标 ~~~ let localdata = { rain: [8, 18, 8, 12, 0, 19, 21, 19, 24.8, 23, 29.7], tmp: [12, 13, 9.7, 8, -6, 15, 25, 15, 23, 14, 23], winds: [3, 2.8, 5, 6.8, 6.4, 8, 7, 8.4, 7, 8, 10], pre: [600, 400, 550, 580, 400, 500, 700, 500, 600, 700, 650] }; let colors = ['#4BC946', '#FDA975', '#27D3E2', '#FF0014']; let splitNumber = 5; // 分割段数 //计算最大值 function calMax(arr) { let min = Math.min.apply(null, arr); let max = Math.max.apply(null, arr); let interval = (max - min) / splitNumber; // 平均值 max = Math.ceil(max + interval); // 向上取整 // console.log(min, max, interval); return max; } //计算最小值 function calMin(arr) { let min = Math.min.apply(null, arr); let max = Math.max.apply(null, arr); let interval = (max - min) / splitNumber; // 平均值 min = min === 0 ? min : Math.floor(min - interval); // 向下取整 // console.log(min, max, interval); return min; } option = { color: colors, title: { text: '2020年2月4日某站雷暴天气时序图', subtext: '灾害时间：2020/2/4 08:30-20202/4 10:20', top: '1%', x: 'center', textStyle: { color: '#fff', fontSize: '16', fontWeight: 'bold' }, subtextStyle: { color: '#fff', fontSize: '14', fontWeight: 'bold' } }, toolbox: { feature: { saveAsImage: {} } }, backgroundColor: "#0f375f", grid: { top: '20%', bottom: '5%', left: '15%', right: '15%', }, legend: { top: '12%' }, tooltip: { trigger: 'axis', axisPointer: { type: 'shadow' } }, xAxis: { type: 'category', axisTick: { show: false }, axisLabel: { textStyle: { color: '#333333', fontSize: 14 } }, axisLine: { show: false, lineStyle: { color: '#707070' } }, data: ['02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12'] }, yAxis: [{ // name: '降水(mm)', type: 'value', position: 'left', min: calMin(localdata.rain), max: calMax(localdata.rain), splitNumber: splitNumber, interval: (calMax(localdata.rain) - calMin(localdata.rain)) / splitNumber, splitLine: { lineStyle: { type: 'dashed', color: '#707070' } }, axisLabel: { // formatter: '{value}mm', formatter: function (value, index) { return (value + '').indexOf('.') != -1 ? value.toFixed(1) + 'mm' : value + 'mm'; }, textStyle: { color: colors[0], fontSize: 14 } }, axisLine: { show: false }, axisTick: { show: false } }, { // name: '气温(°C)', type: 'value', position: 'left', offset: 65, min: calMin(localdata.tmp), max: calMax(localdata.tmp), splitNumber: splitNumber, interval: (calMax(localdata.tmp) - calMin(localdata.tmp)) / splitNumber, splitLine: { show: false }, axisLine: { show: false }, axisLabel: { // formatter: '{value}°C', formatter: function (value, index) { return parseInt(value) + '°C'; }, textStyle: { color: colors[1], fontSize: 14 } }, axisTick: { show: false } }, { // name: '风速(m/s)', type: 'value', position: 'right', min: calMin(localdata.winds), max: calMax(localdata.winds), splitNumber: splitNumber, interval: (calMax(localdata.winds) - calMin(localdata.winds)) / splitNumber, splitLine: { show: false }, axisLine: { show: false }, axisLabel: { // formatter: '{value}m/s', formatter: function (value, index) { return parseInt(value) + 'm/s'; }, textStyle: { color: colors[3], fontSize: 14 } }, axisTick: { show: false } }, { // name: '气压(hPa)', type: 'value', position: 'right', offset: 54, min: calMin(localdata.pre), max: calMax(localdata.pre), splitNumber: splitNumber, interval: (calMax(localdata.pre) - calMin(localdata.pre)) / splitNumber, splitLine: { show: false }, axisLine: { show: false }, axisLabel: { // formatter: '{value}hPa', formatter: function (value, index) { return parseInt(value) + 'hPa'; }, textStyle: { color: colors[2], fontSize: 14 } }, axisTick: { show: false } }], series: [{ name: '降水', type: 'bar', barWidth: '40%', data: localdata.rain }, { name: '温度', type: 'line', symbol: 'circle', symbolSize: 8, yAxisIndex: 1, data: localdata.tmp }, { name: '气压', type: 'line', symbol: 'circle', symbolSize: 8, yAxisIndex: 3, data: localdata.pre }, { name: '风速', type: 'line', symbol: 'circle', symbolSize: 8, yAxisIndex: 2, data: localdata.winds } ] }; ~~~ >#### 效果图  <hr>