我有下面的JSON数据集
[
{
"campaignId": 111,
"campaignCategory": "Diabetes",
"result": [
{
"campaignType": 1,
"name": "tes1"
},
{
"campaignType": 1,
"name": "test22"
},
{
"campaignType": 3,
"name": "test33"
}
]
},
{
"campaignId": 222,
"campaignCategory": "Orthopedic",
"result": [
{
"campaignType": 1,
"name": "Orthopedic"
}
]
},
{
"campaignId": 333,
"campaignCategory": "Cardiology",
"result": [
{
"campaignType": 3,
"name": "Cardiology"
},
{
"campaignType": 1,
"name": "Cardiology 123"
}
]
}
]
我已经厌倦了下面的过滤器，但是没有返回想要的数据。
_.filter(summary, function (data) {
return (post, _.filter(data.result, {'campaignType': 3}));
我想在应用过滤后得到以下数据。
[{ campaignId: 111, campaignCategory: 'Diabetes', result: [{
campaignType: 3, name: 'test33'
}] },
{ campaignId: 333, campaignCategory: 'Cardiology', result: [{
campaignType: 3, name: 'Cardiology'
}] } ];
这里所有节点都显示有campaignType: 3。Lodash或基于纯Java脚本的解决方案都可以使用。
result如果存在ayn filter元素，则可以预先过滤内部对象并获取外部对象。然后以新结果获取一个新对象。
var data = [{ campaignId: 111, campaignCategory: 'Diabetes', result: [{ campaignType: 1, name: 'tes1' }, { campaignType: 1, name: 'test22' }, { campaignType: 3, name: 'test33' }] }, { campaignId: 222, campaignCategory: 'Orthopedic', result: [{ campaignType: 1, name: 'Orthopedic' }] }, { campaignId: 333, campaignCategory: 'Cardiology', result: [{ campaignType: 3, name: 'Cardiology' }, { campaignType: 1, name: 'Cardiology 123' }] }],
result = data.reduce((r, o) => {
var result = o.result.filter(({ campaignType}) => campaignType === 1);
if (result.length) r.push(Object.assign({}, o, { result }));
return r;
}, []);
console.log(result);.as-console-wrapper { max-height: 100% !important; top: 0; }本文收集自互联网，转载请注明来源。
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我来说两句