Question

我正在尝试为应用获取HomeFeed，因为这是我的第一个主要应用。
我发现很难获取JSON数据并在tableViewCell上显示，特别是转换{ {1}}并使用它。
任何形式的帮助都会受到高度赞赏和生命保护！

这是我的JSON Array/Dictionary课程：

HomeFeedTableView

我得到了这个JSON响应

class HomeFeedTableView: UIViewController {


@IBOutlet weak var menuButton: UIBarButtonItem!
@IBOutlet weak var cameraBtn: UIButton!
var tableView = UITableView()


var tableAuthor = [String]()
var tableTitle = [String]()

override func viewDidLoad() {
    super.viewDidLoad()

    //cameraBtn possition
    cameraBtn.layer.zPosition = 1000

    if self.revealViewController() != nil {
        menuButton.target = self.revealViewController()
        menuButton.action = #selector(SWRevealViewController.revealToggle(_:))
        self.view.addGestureRecognizer(self.revealViewController().panGestureRecognizer())
    }

    getJSON()

}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}


// Get JSON
func getJSON(){

    let getEndPoint: String = "http://myURL/api/get_user_post/"
    Alamofire.request(getEndPoint)
        .responseJSON { response in

            guard response.result.error == nil else {
                // got an error in getting the data, need to handle it
                print("error calling GET")
                print(response.result.error!)
                return
            }

            if let value =  response.result.value {

                let json = JSON(value)
                //print(json.description)

                for items in json.dictionary! {

                    //let author: String? = anItem["author"].stringValue
                    //let title: String? = anItem["title"].stringValue
                    //self.tableAuthor.append(author!)
                    //self.tableTitle.append(title!)

                    print(items)

                }



                DispatchQueue.main.async {
                    self.tableView.reloadData()
                }
            }
    }

}

// MARK: - Table view data source

 func numberOfSectionsInTableView(_ tableView: UITableView) -> Int {
    // #warning Incomplete implementation, return the number of sections
    return 1
}

 func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    // #warning Incomplete implementation, return the number of rows
    return status.count
}


 func tableView(_ tableView: UITableView, cellForRowAtIndexPath indexPath: IndexPath) -> UITableViewCell {
    // Configure the cell...

    let cell: HomeFeedTableViewCell = tableView.dequeueReusableCell(withIdentifier: "HomeCell") as! HomeFeedTableViewCell
    let img = UIImage(named: imageMain[(indexPath as NSIndexPath).row])
    cell.ImageMain.image = img
   // cell.statusMain.text = tableAuthor[indexPath.row]

    let proImg = UIImage(named: imageMain[(indexPath as NSIndexPath).row])
    cell.profileImage.image = proImg
    cell.profileImage.layer.cornerRadius = 20.00
    cell.profileImage.clipsToBounds = true

    cell.likeBtn.layer.borderWidth = 1.2
    cell.likeBtn.layer.borderColor = UIColor.gray.cgColor
    cell.likeBtn.layer.cornerRadius = 5
    cell.likeBtn.clipsToBounds = true

    cell.commentBtn.layer.borderWidth = 1.2
    cell.commentBtn.layer.borderColor = UIColor.gray.cgColor
    cell.commentBtn.layer.cornerRadius = 5
    cell.commentBtn.clipsToBounds = true

    return cell
}

@IBAction func cameraBtnClicked(_ sender: AnyObject) {
    print("Camera Clicked")
}

}

因为我是Alamofire的新手，所以对我来说这让我很困惑。请帮忙。

Answer 1

您的JSON响应是Array的类型而不是字典，所以这样设置为循环。

for items in json.arrayValue {

    let author: String? = anItem["author"].stringValue
    let title: String? = anItem["title"].stringValue
    self.tableAuthor.append(author!)
    self.tableTitle.append(title!)
}

注意：您需要创建自定义类型[Book]，而不是使用多个数组，首先需要创建自定义类Book。

如何使用Alamofire 4.0获取JSON字典/数组并在tableView Cell上显示它

1 个答案: