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<>echarts如何设置如何设置平均线
echarts作为一款外观精美且能对数据进行有效展示的框架为WEB工程师们所熟知，那么echarts如何设置平均线呢，下面凡玉就带大家一起看一下。
线找到一个自己心仪的echarts图表
然后我们需要取到data值的总和
现在sum已经累加了data所有下标值的总和，我们需要在series里设置markLine属性，用data的长度除于sum获取data的平均值
效果图如下
代码如下
series : [ { name:'直接访问', markLine : { data : [ {type :'average', name:
'平均值'} ], symbol: ['none', 'none'], position:"insideTopCenter", itemStyle:{
normal:{ lineStyle:{ type:'dotted', color:'red' }, label:{ show:true, position:
'middle', formatter:"数据平均 : "+平均值, } } }, large:true, effect:{ show: false, loop
: true, period: 0, scaleSize : 2, color : null, shadowColor : null, shadowBlur :
null}, }, type:'bar', barWidth: '60%', data:data } ]
