Echarts如何重新渲染实例详解

this.conechart.on('click', (params) => {
    params.name
});

var options = this.conechart.getOption()
options.series[0].data = res.data
this.conechart.setOption(options)

initconechart () {
  this.conechart = this.$echarts.init(document.getElementById('conechart'));
  const option = {
    title: {
      text: '风险占比',
      // subtext: 'Fake Data',
      left: '45%',
      top: "20px",
      textStyle:{
        fontSize:30,
      }
    },
    tooltip: {
      trigger: 'item'
    },
    legend: {
      type: 'scroll',
      orient: 'vertical',
      left: 'left',
      top:5,
    },
    series: [
      {
        name: 'Access From',
        type: 'pie',
        radius: '50%',
        left:"10%",
        top:"15%",
        data: this.piedata,
        emphasis: {
          itemStyle: {
            shadowBlur: 10,
            shadowOffsetX: 0,
            shadowColor: 'rgba(0, 0, 0, 0.5)'
          }
        },
        label: {
          alignTo: "labelLine",
          distanceToLabelLine: 10,
          edgeDistance: "15%"
        },
        labelLayout: {
          fontSize: "16"
        }
      }
    ]
  };
  this.conechart.setOption(option)
  this.conechart.on('click', (params) => {
    if ( this.isshow == 0) {
      this.getWarnInfoBySecond(params.name)
    }
  });
},

//  更新视图
getWarnInfoBySecond(name) {
  getWarnInfoBySecond(name).then(res => {
    var options = this.conechart.getOption()
    options.series[0].data = res.data
    this.conechart.setOption(options)
    this.isshow = 1
  })
},