我这里是根据x轴数组的最后一个元素与series里面的color的val来做对比,如果相等就改变颜色
myChart.setOption({xAxis: {data: result.dep_data},series: [{data: result.data,itemStyle: {normal: {color:(val) => {console.log("==》",val)var valLength = result.dep_data.lengthvar newVal = result.dep_data[valLength-1]console.log("==>",newVal)if (val.name == result.dep_data[valLength-1]) {return '#F7782C'} else{return '#5470c6'}},},},}]})
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