前端Json字符串与Json对象互转

		console.log(res.data)
		//json字符串： "{"fileId":"c32ef043d5124051834e095758411114","originalName":"IMG_20210204_021057.jpg","storePath":"D:\opt\www\iwmp.i56\upload\20210204\c32ef043d5124051834e095758411114.jpg","accessUrl":"http://iwmp.i56/upload/d/20210204/c32ef043d5124051834e095758411114.jpg"}"
		console.log(JSON.parse(res.data))
		// json对象：
		// {
		// 	"fileId": "c32ef043d5124051834e095758411114",
		// 	"originalName": "IMG_20210204_021057.jpg",
		// 	"storePath": "D:\opt\www\iwmp.i56\upload\20210204\c32ef043d5124051834e095758411114.jpg",
		// 	"accessUrl": "http://iwmp.i56/upload/d/20210204/c32ef043d5124051834e095758411114.jpg"
		// }
		console.log(JSON.stringify(JSON.parse(res.data)))
		//json字符串： "{"fileId":"c32ef043d5124051834e095758411114","originalName":"IMG_20210204_021057.jpg","storePath":"D:\opt\www\iwmp.i56\upload\20210204\c32ef043d5124051834e095758411114.jpg","accessUrl":"http://iwmp.i56/upload/d/20210204/c32ef043d5124051834e095758411114.jpg"}"