等待网络调用完成的正确性- iOS

let url = URL(string: "https://example.com/api/data")
let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
    // 处理网络请求结果
    if let error = error {
        print("网络请求失败：\(error.localizedDescription)")
    } else if let data = data {
        // 解析数据
        let result = try? JSONSerialization.jsonObject(with: data, options: [])
        // 执行后续操作
        DispatchQueue.main.async {
            // 更新UI或其他操作
        }
    }
}
task.resume()

class NetworkManager: NSObject, URLSessionDelegate {
    func fetchData() {
        let url = URL(string: "https://example.com/api/data")
        let session = URLSession(configuration: .default, delegate: self, delegateQueue: nil)
        let task = session.dataTask(with: url)
        task.resume()
    }
    
    // 处理网络请求结果
    func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, didReceive data: Data) {
        // 解析数据
        let result = try? JSONSerialization.jsonObject(with: data, options: [])
        // 执行后续操作
        DispatchQueue.main.async {
            // 更新UI或其他操作
        }
    }
}

AF.request("https://example.com/api/data").responseJSON { response in
    switch response.result {
    case .success(let value):
        // 解析数据
        let result = value
        // 执行后续操作
        DispatchQueue.main.async {
            // 更新UI或其他操作
        }
    case .failure(let error):
        print("网络请求失败：\(error.localizedDescription)")
    }
}