如何使用各种数组解析json
我有一个json文件,看起来像:如何使用各种数组解析json,json,jq,Json,Jq,我有一个json文件,看起来像: [ { "id": "aaa", "idMembers": [ "David", "Mary" ], "actions": [ { "id": "1", "date": "2019-08-28" }, { "id": "2", "date": "2019-08-29" }, {
[
{
"id": "aaa",
"idMembers": [
"David",
"Mary"
],
"actions": [
{
"id": "1",
"date": "2019-08-28"
},
{
"id": "2",
"date": "2019-08-29"
},
{
"id": "3",
"date": "2019-08-30"
}
]
},
{
"id": "bbb",
"idMembers": [
"Mar",
"Alex"
],
"actions": [
{
"id": "1",
"date": "2019-07-28"
},
{
"id": "2",
"date": "2019-07-29"
}
]
}
]
我希望得到如下结果:
["David", "Mary", "1", "2019-08-28"]
["David", "Mary", "2", "2019-08-29"]
["David", "Mary", "3", "2019-08-30"]
["Mar", "Alex", "1", "2019-07-28"]
["Mar", "Alex", "2", "2019-07-29"]
我试过:
jq -c '.[] | [ .idMembers[], .actions[].id, .actions[].date] '
但结果是:
["David", "Mary", "1", "2", "3", "2019-08-28", "2019-08-29", "2019-08-30"]
["Mar", "Alex", "1", "2", "2019-07-28", "2019-07-29"]
我想做一些事情,比如:
jq -c '.[] | .idMembers[], .actions[] | [ .id, .date] '
但它会回报我
jq:错误(at:1268):无法索引字符串为“id”的字符串
有可能做类似的事情吗
jq -c '.[] | .actions[] | [.idMembers[], .id, .date] '
从
操作
下的每个对象中创建一个数组,并将其添加到idMembers
中
.[] | .idMembers + (.actions[] | map(.))
map(.)
也可以写成[.]]
。为了澄清,上述内容与以下内容相同:
.[] | .idMembers + (.actions[0] | map(.)),
.idMembers + (.actions[1] | map(.)),
.idMembers + (.actions[2] | map(.)),
...
.idMembers + (.actions[n] | map(.))
其中
n
是操作中的元素数
谢谢您的回复:)!你知道我如何在地图(.)only.id中选择吗?我尝试了`.[]|.idMembers+(.actions[]| map(.id))``但没有work@Joakin在这种情况下,您需要将映射(.)
替换为[.id]
。