vue中使用iview修改Cascader的默認數據

let dataValueBatch = data3 =>data3.map(({id,value, childs}) => (childs ? {
value : id,
label : value,
children : dataValueBatch(childs),
} : {
value : id,
label : value,
}));
this.data3 = dataValueBatch(data3);
console.log(this.data3)