我們需要將物件轉換為物件陣列并在欄位上進行映射，但欄位是增量的，如欄位 1、欄位 2，這是我們卡住的地方。我嘗試了以下代碼：
output application/json
---
payload.main.field map(value) -> {
"name": value.name,
"age": value.age,
"location": value.location[0].country
}
輸入：
{
"main": {
"field1": {
"name": "value",
"age": 20,
"address": {
"location": [
{
"country": "US",
"zipcode": 1234
},
{
"country": "US",
"zipcode": 1234
}
]
}
},
"field2": {
"name": "pqr",
"age": 23,
"address": {
"location": [
{
"country": "CA",
"zipcode": 1235
},
{
"country": "US",
"zipcode": 1234
}
]
}
},
"field3": {
"name": "abc",
"age": 22,
"address": {
"location": [
{
"country": "BU",
"zipcode": 1236
},
{
"country": "US",
"zipcode": 1234
}
]
}
}
}
}
對于上述輸入，以下是預期的回應。
預期輸出：
{
"main": [
{
"name": "value",
"age": 20
"location": "US"
},
{
"name": "pqr",
"age": 23
"location": "CA"
},
{
"name": "abc",
"age": 22
"location": "BU"
}
]
}
對于位置，當陣列大小不為 0 且國家不為空時，它將類似于 location[0].country。
uj5u.com熱心網友回復：
output application/json
---
main : payload.main pluck $ map {
"name": $.name,
"age": $.age,
"location": if( sizeOf($.address.location) !=0) $.address.location[0].country else "N/A"
}
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