我已经尝试了很多东西,但它们似乎都没有用。我[{"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 Events
do / catch中是String,它也不会打印任何内容。
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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