[英]How to store an array that is within an another array to a global variable that has been passed from JSON in Swift?
我有一個從API調用接收數組的JSON
該數組中還有其他3個數組:
userDetails
, userStats
, communities
此API調用的示例是:
["communities": <__NSArrayI 0x6000002540a0>(
{
id = 5;
name = South;
},
{
id = 13;
name = HurraHarry;
},
{
id = 15;
name = EnclliffeT;
}
)
, "userStats": {
totalDraws = 3;
totalLosses = 10;
totalWins = 1;
}, "userDetails": {
id = 31;
"user_email" = "steve@gmail.com";
"user_name" = "Steve Base";
}]
我想將數組userStats
存儲在一個可以傳遞給另一個VC的變量中。
我的var userStatsArray = [AnyObject]()
有一個全局變量var userStatsArray = [AnyObject]()
下面的代碼處理JSON:
let json = try JSONSerialization.jsonObject(with: data!, options: .allowFragments) as? [String:AnyObject]
print (json!)
if let arr = json?["communities"] as? [[String:String]] {
self.communitiesArray = arr.flatMap { $0["name"]!}
self.communityIdsArray = arr.flatMap { $0["id"]!}
}
if let dict = json?["userDetails"] as? [String:String] {
self.tempPlayerId = [dict["id"]!]
let characterArray = self.tempPlayerId.flatMap { String.CharacterView($0) }
let newPlayerId = String(characterArray)
self.playerId = newPlayerId
}
if let tempArray = json?["userStats"] as? [String:AnyObject]{
print ("here ", tempArray)
}
print命令成功打印出userStats
數組及其所有標題(totalWins,totalDraws,totalLosses ...)-
如何將該數組存儲到全局變量var userStatsArray = [AnyObject]()
以便將其傳遞給另一個VC?
最好創建一個這樣的自定義類,然后使用該自定義類類型聲明數組。 然后將userStats對象轉換為自定義類類型。
class userStats: NSObject {
var totalDraws: NSNumber?
var totalLosses: NSNumber?
var totalWins: NSNumber?
init(totalDraws: NSNumber?, totalLosses: NSNumber?, totalWins: NSNumber?) {
self.totalDraws = totalDraws
self.totalWins = totalWins
self.totalLosses = totalLosses
}
}
var userStatsArray = [userStats]()
//更改代碼,例如
let json = try JSONSerialization.jsonObject(with: data!, options: .allowFragments) as? [String:AnyObject]
print (json!)
if let arr = json?["communities"] as? [[String:String]] {
self.communitiesArray = arr.flatMap { $0["name"]!}
self.communityIdsArray = arr.flatMap { $0["id"]!}
}
if let dict = json?["userDetails"] as? [String:String] {
self.tempPlayerId = [dict["id"]!]
let characterArray = self.tempPlayerId.flatMap { String.CharacterView($0) }
let newPlayerId = String(characterArray)
self.playerId = newPlayerId
}
if let tempArray = json?["userStats"]as? userStats {
userSytatsArray.append(tempArray)
}
看看ObjectMapper ! 有了這個功能強大的框架,您可以為API返回的數據創建可映射的模型,並讓它為您執行整個工作:)
像這樣聲明您的模型類:
class UserInfo: Mappable {
var communities : [Community]?
var stats: UserStats?
var details: UserDetails?
required init?(map: Map) {
}
func mapping(map: Map) {
communities <- map["communities"]
stats <- map["userStats"]
details <- map["userDetails"]
}
}
class Community: Mappable {
var id: Int!
var name: String!
required init?(map: Map) {
}
func mapping(map: Map) {
id <- map["id"]
name <- map["name"]
}
}
class UserStats: Mappable {
var totalDraws : Int!
var totalLosses : Int!
var totalWins : Int!
required init?(map: Map) {
}
func mapping(map: Map) {
totalDraws <- map["totalDraws"]
totalLosses <- map["totalLosses"]
totalWins <- map["totalWins"]
}
}
class UserDetails: Mappable {
var id : Int!
var email : String!
var username : String!
required init?(map: Map) {
}
func mapping(map: Map) {
id <- map["id"]
email <- map["user_email"]
username <- map["user_name"]
}
}
然后只是:
let user = UserInfo(JSONString: JSONString)
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