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如何从对象数组中提取键值

我有一个对象数组,其格式如下:

{
    "gallery": [{
        "id": 606,
        "status": 1,
        "name": "00000000606.png",
        "title": "splash.png",
        "location": "",
        "caption": "",
        "type": "image/png",
        "charset": "binary",
        "tags": "",
        "width": 2732,
        "height": 2732,
        "size": 476358,
        "embed_id": null,
        "user": 1,
        "date_uploaded": "2019-09-26T05:22:31-04:00",
        "storage_adapter": "local",
        "url": "/storage/uploads/00000000606.png",
        "thumbnail_url": "/storage/uploads/thumbs/606.png",
        "old_thumbnail_url": "/storage/uploads/thumbs/00000000606-png-160-160-true.jpg",
        "html": null
    }, {
        "id": 610,
        "status": 1,
        "name": "00000000610.png",
        "title": "icon.png",
        "location": "",
        "caption": "",
        "type": "image/png",
        "charset": "binary",
        "tags": "",
        "width": 1024,
        "height": 1024,
        "size": 274477,
        "embed_id": null,
        "user": 1,
        "date_uploaded": "2019-09-26T06:43:44-04:00",
        "storage_adapter": "local",
        "url": "/storage/uploads/00000000610.png", …
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arrays key angular

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