用于Swift4的JSON解码器
使用Swift4、iOS11.1、Xcode9.1、 尝试在Swift4的可编码结构中匹配JSON文件时,我遇到以下问题: 这是我的密码:用于Swift4的JSON解码器,json,struct,decode,swift4,codable,Json,Struct,Decode,Swift4,Codable,使用Swift4、iOS11.1、Xcode9.1、 尝试在Swift4的可编码结构中匹配JSON文件时,我遇到以下问题: 这是我的密码: struct Station: Codable { let htmlAttributions: [String] let nextPageToken: String let status: String struct Result: Codable { let id: String en
struct Station: Codable {
let htmlAttributions: [String]
let nextPageToken: String
let status: String
struct Result: Codable {
let id: String
enum CodingKeys : String, CodingKey {
case id
}
}
enum CodingKeys : String, CodingKey {
case htmlAttributions = "html_attributions"
case nextPageToken = "next_page_token"
case status
case result
}
}
据我所知,为了允许JSON文件中出现下划线键,我必须放置枚举。但在添加枚举后,会出现错误消息。我的枚举有什么问题?它是如何正确放置的
你能让我看看下面的JSON文件吗?如何在结构中匹配它?感谢您的帮助
以下是JSON文件:
{
"html_attributions" : [],
"next_page_token" : "F3ddaOzOcyo94AA2skDm",
"results" : [
{
"formatted_address" : "Strasse 1, 6003 Luzern, Switzerland",
"geometry" : {
"location" : {
"lat" : 47.04951260000001,
"lng" : 8.310404999999999
},
"viewport" : {
"northeast" : {
"lat" : 47.0508615802915,
"lng" : 8.311753980291503
},
"southwest" : {
"lat" : 47.0481636197085,
"lng" : 8.309056019708498
}
}
},
"icon" : "https://maps.gstatic.com/mapfiles/place_api/icons/generic_business-71.png",
"id" : "a3d600a6e78105b6ce2b5f5a3fac98ca1910a09b",
"name" : "Luzern",
"photos" : [
{
"height" : 4000,
"html_attributions" : [
"\u003ca href=\"https://maps.google.com/maps/contrib/113951418385089253589/photos\"\u003eAlex Marcu\u003c/a\u003e"
],
"photo_reference" : "CmRaAAAAYHK1VHDFlkbzXuMnF2MLEdew-36lgHC2lS1Cxg_DELgP-ckZH7G6aa-81LGDpR5rPZY1XMw64mytsjXIrdB5n3QQmXjGgelwZEbHaetT2jpy9SeaHDH3qUGGAUW-7BtZEhCxXy2dxGSv6A_g7fipsCr5GhRZlPuliykokXIkqfqIN_vMWzmYyA",
"width" : 3000
}
],
"place_id" : "ChIJqQIbhpj7j0cRjUguIM__gZw",
"rating" : 4.4,
"reference" : "CmRSAAAAzBZCshpypXcbMhrBQIdK2zISd3Q40QRSFO0KKhIrTejnGiZIoASuVqCVtmNBnFsodLWrYtOP-RmwCqDBDVbMheeCbFk7f0L8gwixLx_SGhYTDqPd6B2IwPWWXH5Pb6lxEhBoQtWj-kB-g1ZiOZ74hswNGhSd9Kf9Qj1P2_fdQCTO_VCoTU09JA",
"types" : [
"transit_station",
"bus_station",
"train_station",
"point_of_interest",
"establishment"
]
},
{ ...more results... },
{ ...more results... }
],
"status" : "OK"
}
有人能帮我试一下吗?你的
结构站是这样的吗
struct Station: Codable {
let htmlAttributions: [String]
let nextPageToken: String
let status: String
let result: Result
struct Result: Codable {
let id: String
enum CodingKeys : String, CodingKey {
case id
}
}
enum CodingKeys : String, CodingKey {
case htmlAttributions = "html_attributions"
case nextPageToken = "next_page_token"
case status
case result = "resulsts"
}
}
按照我做的模式完成这件事,它会很好地工作。它一直对我有用
struct Station: Codable {
let next_page_token: String?
let results: [Results]
}
struct Results: Codable {
let formatted_address: String?
let geometry: Geometry
let icon: String?
let id: String?
let name: String?
let photos: [Photos]
}
struct Geometry: Codable {
let location: Location
let viewport: Viewport
}
struct Location: Codable {
let lat: Float?
let lng: Float?
}
struct Viewport: Codable {
let northeast: Location
let southwest: Location
}
let result:result
是故意丢失的吗?哦-当然是丢失了!!非常感谢你!是的,正如holex已经向我指出的那样(见他在上面评论中的回答),result属性在我最初的请求中完全缺失。简单的解决方法:)啊,我忽略了它。