/** * * 作者: GhostCat * 博客: https://gcat.cc * 描述: 双折线图 * */ let xLabel = ['1月', '2月', '3月', '4月', '5月', '6月','7月', '8月', '9月', '10月', '11月', '12月'] let goToSchool = ['4.3','2.5','3.5','4.5','4.3','2.5','3.5','8.5','4.3','2.5','3.5','4.5'] let goOutSchool = ['2.4','4.4','1.8','2.8','2.4','4.4','1.8','2.8','2.4','4.4','1.8','2.8'] option = { backgroundColor: '#013A54', tooltip: { trigger: 'axis', backgroundColor:'transparent', axisPointer: { lineStyle: { color: { type: 'linear', x: 0, y: 0, x2: 0, y2: 1, colorStops: [{ offset: 0, color: '#4E36DC' // 0% 处的颜色 }, { offset: 0.5, color: 'rgba(126,199,255,1)' // 100% 处的颜色 }, { offset: 1, color: 'rgba(126,199,255,0)' // 100% 处的颜色 }], global: false // 缺省为 false } }, }, formatter: (p) => { let dom = `

${p[0]?p[0].seriesName:''} ${p[0]?p[0].data:''}

${p[1]?p[1].seriesName:''} ${p[1]?p[1].data:''}

` return dom } }, legend: { align: "left", right: '5%', top:'14%', type:'plain', textStyle:{ color:'#3CA1EC', fontSize:16 }, // icon:'rect', itemGap:25, itemWidth:18, icon:'path://M0 2a2 2 0 0 1 2 -2h14a2 2 0 0 1 2 2v0a2 2 0 0 1 -2 2h-14a2 2 0 0 1 -2 -2z', data: [ { name: '同比' }, { name: '环比' } ] }, grid: { top: '18%', left: '15%', right: '5%', bottom: '25%', // containLabel: true }, xAxis: [{ type: 'category', boundaryGap: false, axisLine: { //坐标轴轴线相关设置。数学上的x轴 show: true, lineStyle: { color: '#233653' }, }, axisLabel: { //坐标轴刻度标签的相关设置 textStyle: { color: '##E06148', padding: 16, fontSize: 14 }, formatter: function(data) { return data } }, splitLine: { show: true, lineStyle: { color: '#192a44' }, }, axisTick: { show: false, }, data: xLabel }], yAxis: [{ name: '单位：%', nameTextStyle: { color: "#7ec7ff", fontSize: 16, padding: 10 }, min: 0, splitLine: { show: true, lineStyle: { color: '#192a44' }, }, axisLine: { show: true, lineStyle: { color: "#233653" } }, axisLabel: { show: true, textStyle: { color: '#7ec7ff', padding: 16 }, formatter: function(value) { if (value === 0) { return value } return value } }, axisTick: { show: false, }, }], series: [{ name: '环比', type: 'line', symbol: 'circle', // 默认是空心圆（中间是白色的），改成实心圆 showAllSymbol: true, symbolSize: 0, smooth: true, lineStyle: { normal: { width: 5, color: "rgba(10,219,250,1)", // 线条颜色 }, borderColor: 'rgba(0,0,0,.4)', }, itemStyle: { color: "rgba(10,219,250,1)", borderColor: "#646ace", borderWidth: 2 }, tooltip: { show: true }, areaStyle: { //区域填充样式 normal: { //线性渐变，前4个参数分别是x0,y0,x2,y2(范围0~1);相当于图形包围盒中的百分比。如果最后一个参数是‘true’，则该四个值是绝对像素位置。 color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{ offset: 0, color: "rgba(10,219,250,.3)" }, { offset: 1, color: "rgba(10,219,250, 0)" } ], false), shadowColor: 'rgba(10,219,250, 0.5)', //阴影颜色 shadowBlur: 20 //shadowBlur设图形阴影的模糊大小。配合shadowColor,shadowOffsetX/Y, 设置图形的阴影效果。 } }, data: goOutSchool }] };

单折线