swift 中的 HTTP 请求不起作用

解决Swift中的HTTP请求不起作用问题

swift
import Reachability
func checkNetworkConnection() {
    let reachability = try! Reachability()
    
    reachability.whenUnreachable = { reachability in
        DispatchQueue.main.async {
            // 网络连接不可用，提示用户
            let alert = UIAlertController(title: "网络连接失败", message: "请检查您的网络连接", preferredStyle: .alert)
            alert.addAction(UIAlertAction(title: "确定", style: .default, handler: nil))
            self.present(alert, animated: true, completion: nil)
        }
    }
    
    do {
        try reachability.startNotifier()
    } catch {
        print("无法开始网络连接监测")
    }
}

swift
import Alamofire
func sendHTTPRequest() {
    let url = "http://example.com/api"
    let parameters = ["key": "value"]
    
    Alamofire.request(url, method: .post, parameters: parameters).responseJSON { response in
        switch response.result {
        case .success(let value):
            print("请求成功：\(value)")
        case .failure(let error):
            print("请求失败：\(error)")
        }
    }
}

swift
func sendHTTPRequest() {
    let url = URL(string: "http://example.com/api")
    let parameters = ["key": "value"]
    
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.timeoutInterval = 10 // 设置请求超时时间为10秒
    request.httpBody = try? JSONSerialization.data(withJSONObject: parameters, options: [])
    
    let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
        if let error = error {
            print("请求失败：\(error)")
        } else if let data = data {
            let result = try? JSONSerialization.jsonObject(with: data, options: [])
            print("请求成功：\(result)")
        }
    }
    
    task.resume()
}