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我有一個公司類,其中每個公司都有一個名稱,標誌和股票價格,都是String類型。這些被保存在一個NSMutableArray中。作爲字符串訪問自定義對象屬性(NSMutableArray)
我想要在tableview中訪問這些屬性和標籤等
這是我的公司類使用它們:
import UIKit
import Alamofire
import SwiftyJSON
var companyController: CompanyController?
var companies:NSMutableArray? = NSMutableArray()
var applePrice: String?
var googlePrice: String?
var twitterPrice: String?
var teslaPrice: String?
var samsungPrice: String?
var stockPrices = [String]()
let stockUrl = "https://query.yahooapis.com/v1/public/yql?q=select%20symbol%2C%20Ask%2C%20YearHigh%2C%20YearLow%20from%20yahoo.finance.quotes%20where%20symbol%20in%20(%22AAPL%22%2C%22GOOG%22%2C%22TWTR%22%2C%22TSLA%22%2C%20%22SSNLF%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys"
class Company: NSObject {
var companyName: String?
var companyLogo: String?
var stockPrice: String?
init(companyName:String, companyLogo:String, stockPrice:String) {
self.companyName = companyName
self.companyLogo = companyLogo
self.stockPrice = stockPrice
companies?.add(apple)
companies?.add(google)
companies?.add(twitter)
companies?.add(tesla)
companies?.add(samsung)
}
}
func stockFetcher() {
Alamofire.request(stockUrl).responseJSON { (responseData) -> Void in
if((responseData.result.value) != nil) {
let json = JSON(responseData.result.value!)
if let appleStockPrice = json["query"]["results"]["quote"][0]["Ask"].string {
print(appleStockPrice)
applePrice = appleStockPrice
}
if let googleStockPrice = json["query"]["results"]["quote"][1]["Ask"].string {
print(googlePrice)
googlePrice = googleStockPrice
}
if let twitterStockPrice = json["query"]["results"]["quote"][2]["Ask"].string {
print(twitterStockPrice)
twitterPrice = twitterStockPrice
}
if let teslaStockPrice = json["query"]["results"]["quote"][3]["Ask"].string {
print(teslaStockPrice)
teslaPrice = teslaStockPrice
}
if let samsungStockPrice = json["query"]["results"]["quote"][4]["Ask"].string {
print(samsungStockPrice)
samsungPrice = samsungStockPrice
}
let stockPriceArray = [applePrice, googlePrice, twitterPrice, teslaPrice, samsungPrice]
stockPrices = stockPriceArray as! [String]
companyController?.tableView.reloadData()
print(json)
}
}
}
let apple = Company(companyName: "Apple", companyLogo: "AppleLogo", stockPrice: applePrice!)
let google = Company(companyName: "Google", companyLogo: "GoogleLogo", stockPrice: googlePrice!)
let twitter = Company(companyName: "Twitter", companyLogo: "TwitterLogo", stockPrice: twitterPrice!)
let tesla = Company(companyName: "Tesla", companyLogo: "TeslaLogo", stockPrice: teslaPrice!)
let samsung = Company(companyName: "Samsung", companyLogo: "SamsungLogo", stockPrice: samsungPrice!)
在我CompanyController,我初始化
var company = [Company]()
,現在想在單元格中使用公司信息,例如在cellForRowAt indexPath中,我想將公司名稱分配給文本標籤。
let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath) as! CompanyCell
//Text label
cell.textLabel?.text = <what goes here?>[indexPath.row]
如何訪問NSMutableArray中的公司屬性以獲取名稱等?我希望能夠做到像
company.companies.companyName[indexPath.row]
我認爲這可能是我必須做的,我只是想知道如果有一種方法可以直接從我的NSMutableArray搶特性,而無需給每個屬性一個單獨的數組來繪製。 – d0xi45