option = { color: ['#00C1DE', '#6F7AF8', '#F5A547'], tooltip: { trigger: 'axis', axisPointer: { type: 'line', lineStyle: { color: 'rgba(0,0,0,0.25)', }, }, backgroundColor: 'rgba(255,255,255,0.90)', padding: 12, textStyle: { color: 'rgba(0,0,0,0.65);', }, extraCssText: 'box-shadow: 0 2px 4px 0 rgba(169,169,169,0.50); border-radius: 4px', formatter: function(param) { const d0 = param[0]; const d1 = param[1]; const d2 = param[2]; return ` `; } }, grid: { left: 20, right: 20, bottom: 20, containLabel: true, }, legend: { data: [{ name: 'cpu使用率', icon: 'circle' }, { name: '内存使用率', icon: 'circle' }, { name: '实例数', icon: 'circle' }, ] }, xAxis: [{ type: 'category', boundaryGap: false, data: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'] }], yAxis: [{ type: 'value', name: '使用率（%）', position: 'left', min: 0, max: 100, axisLabel: { formatter: '{value}' } }, { type: 'value', name: '实例数', position: 'right', scale: true, axisLabel: { formatter: '{value}' } } ], series: [{ name: 'cpu使用率', type: 'line', yAxisIndex: 0, data: [2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 15.6, 12.2, 32.6, 20.0, 6.4, 3.3] }, { name: '内存使用率', type: 'line', yAxisIndex: 0, data: [2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 15.6, 12.2, 48.7, 18.8, 6.0, 2.3] }, { name: '实例数', type: 'line', yAxisIndex: 1, data: [222.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2] } ] };

折线图，双Y