JSON

JSON Types

  • Strings：“Hello World” “Kyle”

  • Numbers：10 1.5 -30 1.2e10

  • Booleans：true false

  • null：null

  • Arrays：[1, 2, 3] [“Hello”, “World”]

  • Objects：{ “key”: “value” }: {“age”: 30}

可嵌套

{
	"name": "Kyle"
	"favoriteNumber": 3,
	"isProgrammer": true,
	"hobbies": ["Weight Lifting",
	"Bowling"],
	"friends": [{
		"name": "Joey",
		"favoriteNumber": 100,
		"isProgrammer": false,
		"friends": [...]
	}]
}

 

实例 (companies.json)

[
	{
		"name": "Big Corporation",
		"numberOfEmployees": 10000,
		"ceo": "Mary"
		"rating": 3.6
	},
	{
		"name": "Small Startup",
		"numberOfEmployees": 3,
		"ceo": null
	}
]