[英]How to parse a special JSON format to JavaScript object?
I have been searching for an answer to this specific kind of format, but was not able to find any to solve this specific issue.我一直在寻找这种特定格式的答案,但找不到任何解决此特定问题的方法。
The situation is, I have a kind of JSON format that I can't work with in combination with mongoDB.情况是,我有一种无法与 mongoDB 结合使用的 JSON 格式。 I wish to alter the format of the JSON data to a normal JavaScript object.我希望将 JSON 数据的格式更改为普通的 JavaScript 对象。 Now the data is over 2,000 entries long, so I can't handle it manually.现在数据超过 2,000 个条目,所以我无法手动处理。 And I couldn't make the JSON.parse(data) work for this kind of special format.而且我无法让 JSON.parse(data) 为这种特殊格式工作。
Here an example of the current JSON format:这是当前 JSON 格式的示例:
{
"一": {
"strokes": 1,
"grade": 1,
"freq": 2,
"jlpt_old": 4,
"jlpt_new": 5,
"meanings": ["One","One Radical (no.1)"],
"readings_on": ["いち","いつ"],
"readings_kun": ["ひと-","ひと.つ"],
"wk_level": 1,
"wk_meanings": ["One"],
"wk_readings_on": ["いち","いつ"],
"wk_readings_kun": ["!ひと"],
"wk_radicals": ["Ground"]
},
"二": {
"strokes": 2,
"grade": 1,
"freq": 9,
"jlpt_old": 4,
"jlpt_new": 5,
"meanings": ["Two","Two Radical (no. 7)"],
"readings_on": ["に","じ"],
"readings_kun": ["ふた","ふた.つ","ふたたび"],
"wk_level": 1,
"wk_meanings": ["Two"],
"wk_readings_on": ["に"],
"wk_readings_kun": ["!ふた"],
"wk_radicals": ["Two"]
},
}
And the format I eventually wish to achieve is the following:我最终希望实现的格式如下:
[
{
kanji: "一",
strokes: 1,
grade: 1,
freq: 2,
jlpt_old: 4,
jlpt_new: 5,
meanings: ["One","One Radical (no.1)"],
readings_on: ["いち","いつ"],
readings_kun: ["ひと-","ひと.つ"],
wk_level: 1,
wk_meanings: ["One"],
wk_readings_on: ["いち","いつ"],
wk_readings_kun: ["!ひと"],
wk_radicals: ["Ground"]
},
{
kanji: "二",
strokes: 2,
grade: 1,
freq: 9,
jlpt_old: 4,
jlpt_new: 5,
meanings: ["Two","Two Radical (no. 7)"],
readings_on: ["に","じ"],
readings_kun: ["ふた","ふた.つ","ふたたび"],
wk_level: 1,
wk_meanings: ["Two"],
wk_readings_on: ["に"],
wk_readings_kun: ["!ふた"],
wk_radicals: ["Two"]
}
]
As you can see, the initial format has a key describing each object, but the aspired format has every info inside the object.如您所见,初始格式具有描述每个对象的键,但期望格式具有对象内部的所有信息。
It would be awesome if someone could help me out on this problem!如果有人能帮我解决这个问题,那就太棒了! :) :)
Both are actually valid JSON objects, although you are looking for a simple manipulation:两者实际上都是有效的 JSON 对象,尽管您正在寻找一个简单的操作:
const data = { "一": { "strokes": 1, "grade": 1, "freq": 2, "jlpt_old": 4, "jlpt_new": 5, "meanings": ["One","One Radical (no.1)"], "readings_on": ["いち","いつ"], "readings_kun": ["ひと-","ひと.つ"], "wk_level": 1, "wk_meanings": ["One"], "wk_readings_on": ["いち","いつ"], "wk_readings_kun": ["!ひと"], "wk_radicals": ["Ground"] }, "二": { "strokes": 2, "grade": 1, "freq": 9, "jlpt_old": 4, "jlpt_new": 5, "meanings": ["Two","Two Radical (no. 7)"], "readings_on": ["に","じ"], "readings_kun": ["ふた","ふた.つ","ふたたび"], "wk_level": 1, "wk_meanings": ["Two"], "wk_readings_on": ["に"], "wk_readings_kun": ["!ふた"], "wk_radicals": ["Two"] } }; const parsed = Object.entries(data).reduce((acc, [kanji, obj]) => acc.concat({kanji, ...obj}), []); console.log(parsed)
Is this good for you?这对你有好处吗?
let json = { "一": { "strokes": 1, "grade": 1, "freq": 2, "jlpt_old": 4, "jlpt_new": 5, "meanings": ["One","One Radical (no.1)"], "readings_on": ["いち","いつ"], "readings_kun": ["ひと-","ひと.つ"], "wk_level": 1, "wk_meanings": ["One"], "wk_readings_on": ["いち","いつ"], "wk_readings_kun": ["!ひと"], "wk_radicals": ["Ground"] }, "二": { "strokes": 2, "grade": 1, "freq": 9, "jlpt_old": 4, "jlpt_new": 5, "meanings": ["Two","Two Radical (no. 7)"], "readings_on": ["に","じ"], "readings_kun": ["ふた","ふた.つ","ふたたび"], "wk_level": 1, "wk_meanings": ["Two"], "wk_readings_on": ["に"], "wk_readings_kun": ["!ふた"], "wk_radicals": ["Two"] }, } let response = []; for(let key in json){ response.push({ kanji: key, ...json[key]}); } console.log(response);
A single map()
call on the Object.entries()
of the parsed JSON is all you need.您只需要对已解析 JSON 的Object.entries()
进行一次map()
调用。
const json = '{"一":{"strokes":1,"grade":1,"freq":2,"jlpt_old":4,"jlpt_new":5,"meanings":["One","One Radical (no.1)"],"readings_on":["いち","いつ"],"readings_kun":["ひと-","ひと.つ"],"wk_level":1,"wk_meanings":["One"],"wk_readings_on":["いち","いつ"],"wk_readings_kun":["!ひと"],"wk_radicals":["Ground"]},"二":{"strokes":2,"grade":1,"freq":9,"jlpt_old":4,"jlpt_new":5,"meanings":["Two","Two Radical (no. 7)"],"readings_on":["に","じ"],"readings_kun":["ふた","ふた.つ","ふたたび"],"wk_level":1,"wk_meanings":["Two"],"wk_readings_on":["に"],"wk_readings_kun":["!ふた"],"wk_radicals":["Two"]}}'; const obj = JSON.parse(json); const refactored = Object.entries(obj).map(([k, v]) => ({kanji: k, ...v})); console.log(refactored);
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