嵌套字典转换为json swift [英] nested dictionaries converted to json swift
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问题描述
我有一个需要转换为Json的字典词典.
I Have a Dictionary of Dictionaries that I need to convert to Json.
[
Dict1:1,
test: A Value,
NestedDict1:[
city: A City Name,
address: An Address,
NestedDict2: [
1: 1,
39: 2
],
favorite1: 2,
favorite3: Chocolate
]
]
当我使用
NSJSONSerialization.dataWithJSONObject(myJsonDict, options: NSJSONWritingOptions.PrettyPrinted, error: nil)
它仅对最外面的字典进行编码.所以我的输出看起来像这样:
it only encodes the outer most dictionary. So my output looks something like this:
{
"Dict1":"1",
"test": "A Value",
"NestedDict1":"[
city: A City Name,
address: An Address,
NestedDict2: [
1: 1,
39: 2
],
favorite1: 2,
favorite3: Chocolate
]"
}
我还如何使用JSON内部字典?
How do I JSON the inner dictionaries as well?
推荐答案
Swift 3
let myJsonDict : [String: Any] = [
"Dict1": "1",
"test": "A Value",
"NestedDict1":[
"city": "A City Name",
"address": "An Address",
"NestedDict2": [
"1": "1",
"39": "2"
],
"favorite1": "2",
"favorite3": "Chocolate"
]
]
let jsonObject = try? JSONSerialization.data(withJSONObject: myJsonDict, options: [])
if let jsonString = String(data: jsonObject!, encoding: .utf8) {
print(jsonString)
}
输出
{"test":"A值","Dict1":"1","NestedDict1":{"favorite1":2,"city":"A 城市 名称","NestedDict2":{"1":"1","39":"2"},"favorite3":"Chocolate","address":"An 地址}}
{"test":"A Value","Dict1":"1","NestedDict1":{"favorite1":2,"city":"A City Name","NestedDict2":{"1":"1","39":"2"},"favorite3":"Chocolate","address":"An Address"}}
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