[GitHub] [incubator-echarts] xxxs commented on issue #4125: 如何在legend中显示value值？

[GitBox <gi...@apache.org>]

xxxs commented on issue #4125:
URL: https://github.com/apache/incubator-echarts/issues/4125#issuecomment-720879408


   var datas = [
                   {value: 335, name: '直接访问'},
                   {value: 310, name: '邮件营销'},
                   {value: 234, name: '联盟广告'},
                   {value: 135, name: '视频广告'},
                   {value: 1548, name: '搜索引擎'}
               ]
   option = {
       tooltip: {
           trigger: 'item',
           formatter: '{a} <br/>{b}: {c} ({d}%)'
       },
       legend: {
           orient: 'vertical',
           left: 10,
           data:datas,
          formatter:function(name){
               let singleData = datas.filter(function(item){
                   return item.name == name
               })
               return  name + '  ' + singleData[0].value;
           }
       },
       series: [
           {
               name: '访问来源',
               type: 'pie',
               radius: ['50%', '70%'],
               avoidLabelOverlap: false,
               label: {
                   show: false,
                   position: 'center'
               },
               emphasis: {
                   label: {
                       show: true,
                       fontSize: '30',
                       fontWeight: 'bold'
                   }
               },
               labelLine: {
                   show: false
               },
               data: [
                   {value: 335, name: '直接访问'},
                   {value: 310, name: '邮件营销'},
                   {value: 234, name: '联盟广告'},
                   {value: 135, name: '视频广告'},
                   {value: 1548, name: '搜索引擎'}
               ]
           }
       ]
   };
   


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