this.chartLine = echarts.init(this.$refs.chart)
this.chartLine.on("legendselectchanged", () => {
this.options.legend.selected["指定data"] = true;
this.chartLine.setOption(this.options);
});
The specified legend in echarts settings cannot be grayed out
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Origin blog.csdn.net/qq_42611074/article/details/132068828
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