echarts曲线图动态隐藏某条折线

this.echart.setOption(option);
this.echart.resize();
let _this = this;
this.echart.getZr().on('click', function(params) {
   console.log('整条click',params);
   const { target, topTarget } = params
   let i=0;
   while(i<20){
       if(target['__ec_inner_'+i] && (target['__ec_inner_'+i].seriesIndex || target['__ec_inner_'+i].seriesIndex=='0')){
           _this.echart_1.dispatchAction({
               type: 'legendUnSelect',
               // 图例名称
               name: option.legend.data[target['__ec_inner_'+i].seriesIndex]
           })
       }
       i++;
   }
})