如何使用处理 JSON 对象解析如下所示的嵌套 JSON 文件?我想弄清楚如何解析多级 JSON。
{
"info": {
"description": "COCO 2014 Dataset",
"url": "http://cocodataset.org",
"version": "1.0",
"year": 2014,
"contributor": "COCO Consortium",
"date_created": "2017/09/01"
},
"images": [
{
"license": 5,
"file_name": "COCO_train2014_000000057870.jpg",
"coco_url": "http://images.cocodataset.org/train2014/COCO_train2014_000000057870.jpg",
"height": 480,
"width": 640,
"date_captured": "2013-11-14 16:28:13",
"flickr_url": "http://farm4.staticflickr.com/3153/2970773875_164f0c0b83_z.jpg",
"id": 57870
},
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