echarts颜色渐变
myChart.setOption({ title: { text: '' }, tooltip : { trigger: 'axis', axisPointer: { type: 'cross', label: { backgroundColor: '#6a7985' } }, formatter: function(params, ticket, callback) { return "时间:"+ params[0].axisValue + "<br/>"+ "上传流量:" + self.$methods.trafficSwitch(params[1].data) + "<br/>"+ "下载流量:" +self.$methods.trafficSwitch(params[0].data) } }, legend: { show:false, }, grid: { left: '0', right: '0', bottom: '0', containLabel: true }, xAxis : [ { type : 'category', splitLine:{show: false}, boundaryGap : false, data : this.schedule, axisLine:{ lineStyle:{ color:"#aaa" } } } ], yAxis : [ { type : 'value', splitLine:{show: false}, show:false, axisLine:{ lineStyle:{ color:"#aaa" } } } ], series : [ { name:'上传流量', type:'line', smooth: true, areaStyle: {normal:{}}, itemStyle: { normal: { label : {show: false}, color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ {offset: 0.2, color: ' #f8a3f2'}, {offset: 0.5, color: '#d4c8f0'}, {offset: 1, color: '#d4c8f0'} ] ) } }, data:this.upload_traffic }, { name:'下载流量', type:'line', smooth: true, areaStyle: {normal:{}}, itemStyle: { normal: { label : {show: false}, color: new echarts.graphic.LinearGradient( 0, 0, 0, 1, [ {offset: 0.2, color: ' #2196f3'}, {offset: 0.5, color: '#9fdcf4'}, {offset: 1, color: '#9fdcf4'} ] ) } }, data:this.download_traffic } ] });