echarts图例点击反选
2021-09-17 本文已影响0人
Piemon_Jay
默认展示单项数据
image.png
反选：
https://www.cnblogs.com/xiaxuening/p/10971983.html
this.echart.on('legendselectchanged', function(obj) {
const {selected, name} = obj;
if (first && selected) {
Object.keys(selected).forEach(key => {
selected[key] = key === name ? true : false;
});
first = false;
} else {
let open = selected[name];
selected[name] = open;
}
option.legend.selected = selected;
this.setOption(option);
});
first删掉，注意this指向
