json - Swift 如何重用我的 JSON HTTP 请求 header

Question

我正在制作一个从 API 发出大量请求的应用程序。所以我不想一遍又一遍地复制和粘贴代码。我想知道如何以更有效的方式重用我的代码？也许有扩展？这是我知道的代码:

func apiRequest() {
    let config = URLSessionConfiguration.default
    let username = "****"
    let password = "****"
    let loginString = String(format: "%@:%@", username, password)
    let userPasswordData = loginString.data(using: String.Encoding.utf8)
    let base64EncodedCredential = userPasswordData?.base64EncodedString()
    let authString = "Basic " + (base64EncodedCredential)!
    print(authString)
    config.httpAdditionalHeaders = ["Authorization" : authString]
    let session = URLSession(configuration: config)

    var running = false
    let urlProjects = NSURL(string: "https://start.jamespro.nl/v4/api/json/projects/?limit=10")
    let task = session.dataTask(with: urlProjects! as URL) {
        ( data, response, error) in
        if let taskHeader = response as? HTTPURLResponse {
            print(taskHeader.statusCode)
        }
        if error != nil {
            print("There is an error!!!")
            print(error)
        } else {
            if let content = data {
                do {
                    let dictionary = try JSONSerialization.jsonObject(with: content) as! [String:Any]
                    print(dictionary)

                    if let items = dictionary["items"] as? [[String:Any]] {
                        for item in items {
                            if let description = item["Description"] as? String {
                                self.projectNaam.append(description)
                            }
                            if let id = item["Id"] as? String {
                                self.projectId.append(id)
                            }
                            if let companyId = item["CompanyId"] as? String {
                                self.companyId.append(companyId)
                            }

                        }
                    }
                    self.apiRequestCompani()
                }
                catch {
                    print("Error: Could not get any data")
                }
            }
        }
        running = false
    }


    running = true
    task.resume()

    while running {
        print("waiting...")
        sleep(1)
    }

}

Answer 1

是的，您可以使用扩展来创建 BaseViewController 并在您想要反复使用代码的地方扩展它。然后，您应该将输入参数上的所有动态数据抽象到该方法。

import UIKit
class BaseViewController: UIViewController {

override func viewDidLoad() {
    super.viewDidLoad()    
}

override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
}

func getApiRequest (Parameters) {
  //API Request
}

然后在你的 View Controller 中你只需扩展 BaseViewController

class ViewController: BaseViewController {

override func viewDidLoad() {
    super.viewDidLoad()

    //Call method in baseviewcontroller
    getApiRequest(parameters)

    //Call method in self
    self.getApiRequest(parameters)
}

override func getApiRequest(Parameters) {

    //IF you need to override default configuration
}