let bgColor = "#fff"; let color = [ "#0090FF", "#36CE9E", "#FFC005", "#FF515A", "#8B5CFF", "#00CA69" ]; let echartData = [{ name: "1", value1: 100, value2: 233 }, { name: "2", value1: 138, value2: 233 }, { name: "3", value1: 350, value2: 200 }, { name: "4", value1: 173, value2: 180 }, { name: "5", value1: 180, value2: 199 }, { name: "6", value1: 150, value2: 233 }, { name: "7", value1: 180, value2: 210 }, { name: "8", value1: 230, value2: 180 } ]; let xAxisData = echartData.map(v => v.name); // ["1", "2", "3", "4", "5", "6", "7", "8"] let yAxisData1 = echartData.map(v => v.value1); // [100, 138, 350, 173, 180, 150, 180, 230] let yAxisData2 = echartData.map(v => v.value2); // [233, 233, 200, 180, 199, 233, 210, 180] const hexToRgba = (hex, opacity) => { let rgbaColor = ""; let reg = /^#[\da-f]{6}$/i; if (reg.test(hex)) { rgbaColor = `rgba(${parseInt("0x" + hex.slice(1, 3))},${parseInt( "0x" + hex.slice(3, 5) )},${parseInt("0x" + hex.slice(5, 7))},${opacity})`; } return rgbaColor; } option = { backgroundColor: bgColor, color: color, title: { text: '用电统计', left: 'center', top: '20', textStyle: { color: '#333' } }, tooltip: { trigger: "axis", formatter: function(params) { let html = ''; params.forEach(v => { console.log(v) html += `<div style="color: #666;font-size: 14px;line-height: 24px"> <span style="display:inline-block;margin-right:5px;border-radius:10px;width:10px;height:10px;background-color:${color[v.componentIndex]};"></span> ${v.seriesName}.${v.name} <span style="color:${color[v.componentIndex]};font-weight:700;font-size: 18px">${v.value}</span> 万元`; }) return html }, extraCssText: 'background: #fff; border-radius: 0;box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);color: #333;', axisPointer: { type: 'shadow', shadowStyle: { color: '#ffffff', shadowColor: 'rgba(225,225,225,1)', shadowBlur: 5 } } }, grid: { top: 100, containLabel: true }, xAxis: [{ type: "category", boundaryGap: false, axisLabel: { formatter: '{value}月', textStyle: { color: "#333" } }, axisLine: { lineStyle: { color: "#D9D9D9" } }, data: xAxisData }], yAxis: [{ type: "value", name: '单位:万千瓦时', axisLabel: { textStyle: { color: "#666" } }, nameTextStyle: { color: "#666", fontSize: 12, lineHeight: 40 }, splitLine: { lineStyle: { type: "dashed", color: "#E9E9E9" } }, axisLine: { show: false }, axisTick: { show: false } }], series: [{ name: "2018", type: "line", smooth: true, showSymbol: false, zlevel: 3, lineStyle: { normal: { color: color[0], shadowBlur: 3, shadowColor: hexToRgba(color[0], 0.5), shadowOffsetY: 8 } }, areaStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [{ offset: 0, color: hexToRgba(color[0], 0.5) }, { offset: 1, color: hexToRgba(color[0], 0.1) } ], false ), shadowColor: hexToRgba(color[0], 0.1), shadowBlur: 10 } }, data: yAxisData1 }, { name: "2019", type: "line", smooth: true, showSymbol: false, zlevel: 3, lineStyle: { normal: { color: color[1], shadowBlur: 3, shadowColor: hexToRgba(color[1], 0.5), shadowOffsetY: 8 } }, areaStyle: { normal: { color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [{ offset: 0, color: hexToRgba(color[1], 0.5) }, { offset: 1, color: hexToRgba(color[1], 0.1) } ], false ), shadowColor: hexToRgba(color[1], 0.1), shadowBlur: 10 } }, data: yAxisData2 }] };