iPhone 应用程序进入网络请求永远无法完成的状态

iPhone 应用程序进入网络请求永远无法完成的状态

swift
import Reachability
let reachability = try! Reachability()
reachability.whenReachable = { reachability in
    if reachability.connection == .wifi {
        print("通过 Wi-Fi 连接到互联网")
    } else {
        print("通过蜂窝数据连接到互联网")
    }
}
reachability.whenUnreachable = { _ in
    print("无法连接到互联网")
}
do {
    try reachability.startNotifier()
} catch {
    print("无法启动网络监测器")
}

swift
let url = URL(string: "https://api.example.com/data")!
let request = URLRequest(url: url)
let session = URLSession.shared
let task = session.dataTask(with: request) { (data, response, error) in
    // 处理请求结果
}
task.resume()
DispatchQueue.main.asyncAfter(deadline: .now() + 30) {
    task.cancel()
}