[英]dataTask of URLSession not running
我正在尝试从 API 中获取结果,但我在运行请求本身时遇到了问题。
这是我目前拥有的代码:
let url = URL(string: "https://httpbin.org/get")!
let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
if let error = error {
print("error: \(error)")
} else {
if let response = response as? HTTPURLResponse {
print("statusCode: \(response.statusCode)")
}
if let data = data, let dataString = String(data: data, encoding: .utf8) {
print("data: \(dataString)")
}
}
}
task.resume()
但是,它似乎没有在 dataTask 的代码块内运行任何东西。
谢谢你的帮助:)
您的代码运行良好。 看来您只是错误地调用了 function ......试试这种方式:
1:
func request() {
let url = URL(string: "https://httpbin.org/get")!
let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
if let error = error {
print("error: \(error)")
} else {
if let response = response as? HTTPURLResponse {
print("statusCode: \(response.statusCode)")
}
if let data = data, let dataString = String(data: data, encoding: .utf8) {
print("data: \(dataString)")
}
}
}
task.resume()
}
2:
override func viewDidLoad() {
super.viewDidLoad()
request()
}
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