无法从JSON Swift获取数据

梅迪·侯赛因

我已经尝试了很多东西,但它们似乎都没有用。[{"id":"1","name":"Dua Kumayl","location":"IABAT","date":"2019-06-13","Islamic":"Shawwal 8,1440","time":"19:30:00.000000","imageURL":""]从以下链接获得此JSON http//iabat.org/data.php,我尝试使用以下代码在Swift中获取数据:

import UIKit
   struct Event: Decodable {
       let id, name, location, date: String
       let Islamic, time, imageURL: String
    }
   class EventsViewController: UIViewController {
         override func viewDidLoad() {
             super.viewDidLoad()
             let url = "http://iabat.org/data.php"
             guard let urlObj = URL(string: url) else {return}     
              URLSession.shared.dataTask(with: urlObj) {(data, 
    response, error) in

        do {
            var Events = try JSONDecoder().decode([Event].self, from: 
       data!)

            for Event in Events {
                print("Hi")
                print(Event)
                print(Event.name)
            }
        }
        catch {
            print("error")
            }
        }
    }
}

但是出于某种原因,它不起作用。而且即使它在for Event in Eventsdo / catch中是String,它也不会打印任何内容

Sh_Khan

您需要以dataTask调用开始resume(),也要始终print(error)遵循错误(如果有)


 class EventsViewController: UIViewController {
         override func viewDidLoad() {
             super.viewDidLoad()
             let url = "http://iabat.org/data.php"
             guard let urlObj = URL(string: url) else {return}     
              URLSession.shared.dataTask(with: urlObj) {(data, 
    response, error) in

        do {
            var Events = try JSONDecoder().decode([Event].self, from: 
       data!)

            for event in Events {
                print("Hi")
                print(event)
                print(event.name)
            }
        }
        catch {
            print(error)
            }
        }.resume() // here
    }
}

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