Return REQUEST nodejs中JSON body的特定变量

Question

我有这段代码非常适合我，它给我带来 JSON 中的 body，但我不想要整个 body，我想要一个特定的相同 body 的变量，这是代码。

var request = require("request");

var options = {
  method: 'GET',
  url: 'https://xxx',
  qs: {stats: 'true', events: 'true'},
  headers: {
    'x-rapidapi-host': 'xx',
    'x-rapidapi-key': 'xxx'
  }
};

request(options, function (error, response, body) {
 if (error) throw new Error(error);

 console.log(body);
    **console.log('HOME NOMBRE: ' + body.results.id);**
});

这给了我一个像这样的 JSON 文件：

{"results":[{"id":1,
"idSeason":949,
"seasonName":"2020",
"idHome":2069,
"homeName":"MyHome",
"idAway":207 ....}

我希望能够实现一些方法来专门为我提供变量，例如 homeName，以便只能使用它！

希望我解释得很好，希望得到您的帮助！

Answer 1

如果您的 API returns 一个对象数组，而您只想要一个对象属性的值数组，请使用 map...

let results = [{
  "id": 1,
  "idSeason": 949,
  "seasonName": "2020",
  "idHome": 2069,
  "homeName": "MyHome",
  "idAway": 207
}, {
  "id": 2,
  "idSeason": 950,
  "seasonName": "2021",
  "idHome": 2070,
  "homeName": "MyHome2",
  "idAway": 208
}]

// native
console.log(results.map(e => e.homeName))

// or using underscore
console.log(_.pluck(results, 'homeName'))

// or a smaller object
console.log(results.map(e => _.pick(e, 'id', 'seasonName', 'idAway')))

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js"></script>

Answer 2

我认为更好的方法是使用 ES6 映射。

如果您使用对象数组

const results = [{
  "id": 1,
  "idSeason": 949,
  "seasonName": "2020",
  "idHome": 2069,
  "homeName": "MyHome",
  "idAway": 207
}, {
  "id": 2,
  "idSeason": "x",
  "seasonName": "x",
  "idHome": "x",
  "homeName": "MyHomex",
  "idAway": "x"
}]

const formattedRes = results.map(singleObject =>{
// Here redeclare the object you want, here i want to return id,seasonName and homeName
  return {
       "id": singleObject.id,
       "seasonName": singleObject.seasonName,
       "homeName": singleObject.seasonName,
        }
});
console.log(formattedRes);

结果将是

[ { id: 1, seasonName: '2020', homeName: '2020' },
  { id: 2, seasonName: 'x', homeName: 'x' } ]

更多map - MDN Doc

Return REQUEST nodejs中JSON body的特定变量

Return a specific variable of a JSON body in REQUEST nodejs

javascript

json

httprequest

node.js