我下面有一个对象,我正在遍历该对象以获取物品价值。目前,我正在使用lodash _.forEach实现此目的。我不确定以项目名称作为键并将值作为值创建新对象的最佳方法。
data = [
{
"panels" : [
{
"title": "Panel 1",
"items" : [
{
"name": item1,
"value": 1
}
{
"name": item2,
"value": 2
}
]
},
{
"title": "Panel 2",
"items" : [
{
"name": item3,
"value": 3
}
{
"name": item4,
"value": 5
}
]
}
]
}
{
"panels" : [
{
"title": "Panel 3"
"items" : [
{
"name": item5,
"value": 5
}
{
"name": item6,
"value": 6
}
]
}
]
}
]
let values = [];
_.forEach(data, (groups) => {
_.forEach(groups.panels, (panel) => {
_.forEach(panel.items, (item) => {
values[item.name] = item.value;
});
});
});
return values;
还有其他方法可以更有效地实现吗?
您可以使用嵌套的for...of
循环进行解构
const data=[{panels:[{title:"Panel 1",items:[{name:"item1",value:1},{name:"item2",value:2}]},{title:"Panel 2",items:[{name:"item3",value:3},{name:"item4",value:5}]}]},{panels:[{title:"Panel 3",items:[{name:"item5",value:5},{name:"item6",value:6}]}]}];
const output = {};
for (const { panels } of data)
for (const { items } of panels)
for (const { name, value } of items)
output[name] = value;
console.log(output)
或,
您可以使用链接的flatMap
获取项目数组。然后flatMap
items数组以reduce
作为键且name
作为其值的对象
value