[英]Swift 4 decodable json arrays
所以我現在正在研究一個解析底部鏈接的JSON Api的程序
當我運行代碼時,我得到一些輸出,但不是全部
主要是為可選類型的動漫,這是好的,因為它表明它的工作,但我也想訪問名稱和發布日期和語言,但我不知道如何在swift 4中使用這樣的JSON數組。我會附上我的目前的代碼如下。
import UIKit
struct AnimeJsonStuff: Decodable {
let data: [AnimeDataArray]
}
struct AnimeDataArray: Decodable {
let type: String?
}
class OsuHomeController: UICollectionViewController, UICollectionViewDelegateFlowLayout {
func jsonDecoding() {
let jsonUrlString = "https://kitsu.io/api/edge/anime"
guard let url = URL(string: jsonUrlString) else {return} //
URLSession.shared.dataTask(with: url) { (data, response, err) in
guard let data = data else {return}
do {
let animeJsonStuff = try JSONDecoder().decode(AnimeJsonStuff.self, from: data)
print(animeJsonStuff.data)
let animeDataArray = try JSONDecoder().decode(AnimeDataArray.self, from: data)
print(animeDataArray.type as Any)
} catch let jsonErr {
print("Error serializing json", jsonErr)
}
}.resume()
}
}
之后我有更多的代碼,但它只是用於設置自定義collectionViewCells。
這里也是api的鏈接
標題為“Swift 4 decodable json arrays”的回答
let decoder = JSONDecoder()
do {
let array = try decoder.decode([YouCodableStruct].self, from: response.data!)
debugPrint(array)
} catch {
debugPrint("Error occurred")
}
請檢查以下內容:
我不會為所有鑰匙添加。 我添加了一些attributes
。
struct AnimeJsonStuff: Decodable {
let data: [AnimeDataArray]
}
struct AnimeLinks: Codable {
var selfStr : String?
private enum CodingKeys : String, CodingKey {
case selfStr = "self"
}
}
struct AnimeAttributes: Codable {
var createdAt : String?
private enum CodingKeys : String, CodingKey {
case createdAt = "createdAt"
}
}
struct AnimeRelationships: Codable {
var links : AnimeRelationshipsLinks?
private enum CodingKeys : String, CodingKey {
case links = "links"
}
}
struct AnimeRelationshipsLinks: Codable {
var selfStr : String?
var related : String?
private enum CodingKeys : String, CodingKey {
case selfStr = "self"
case related = "related"
}
}
struct AnimeDataArray: Codable {
let id: String?
let type: String?
let links: AnimeLinks?
let attributes: AnimeAttributes?
let relationships: [String: AnimeRelationships]?
private enum CodingKeys: String, CodingKey {
case id = "id"
case type = "type"
case links = "links"
case attributes = "attributes"
case relationships = "relationships"
}
}
Json解析:
func jsonDecoding() {
let jsonUrlString = "https://kitsu.io/api/edge/anime"
guard let url = URL(string: jsonUrlString) else {return} //
URLSession.shared.dataTask(with: url) { (data, response, err) in
guard let data = data else {return}
do {
let animeJsonStuff = try JSONDecoder().decode(AnimeJsonStuff.self, from: data)
for anime in animeJsonStuff.data {
print(anime.id)
print(anime.type)
print(anime.links?.selfStr)
print(anime.attributes?.createdAt)
for (key, value) in anime.relationships! {
print(key)
print(value.links?.selfStr)
print(value.links?.related)
}
}
} catch let jsonErr {
print("Error serializing json", jsonErr)
}
}.resume()
}
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