[英]grab data from api for UICollectionView inside UICollectionViewCell using alamofire and swiftyJson
你好,我正在開發一個用於檢索電影數據的應用程序,但我遇到了一個問題,我正在使用 CollectionView 來顯示電影類別,並且在這些類別中(在 Collection View Cells 中)我正在使用另一個 collection View 根據電影類別,但我無法填充第二個集合視圖的單元格,因為它是自定義單元格的子類,我還為自定義單元格創建了一個 xib 文件,我正在嘗試為第二個集合視圖實現委托和數據源方法在我為自定義單元格制作的類中,這是我的代碼的一部分:
func parseJson(category:MovieCategory)
{
let currentCategory = category
let parameters = ["api_key":"8460d476d21be7e26a99234d8ca8de51","sort_by":"false","include_video":"false","with_genres":currentCategory.genreID]
Alamofire.request(AppModel().url, method: .get, parameters: parameters).responseJSON { (response) in
if response.result.isSuccess{
let movieJSON = JSON(response.result.value!)
for i in 0..<20{
let title = movieJSON["results"][i]["title"].stringValue
let posterPath = movieJSON["results"][i]["poster_path"].stringValue
let overview = movieJSON["results"][i]["overview"].stringValue
let dateReleased = movieJSON["results"][i]["release_date"].stringValue
let voteAverage = movieJSON["results"][i]["vote_average"].stringValue
print(title)
if let safeImage = AppModel().createImage(posterPath: posterPath)
{
let movieDetails = MovieDetails(movieTitle: title, poster: safeImage, voteAverage: voteAverage, overview: overview, releaseDate: dateReleased)
currentCategory.categoryMovies.append(movieDetails)
}
}
}
}
}
以及我想在哪里使用從 api 檢索到的數據:
class CategoryCollectionViewCell:UICollectionViewCell,UICollectionViewDelegate,UICollectionViewDataSource{
@IBOutlet weak var sectionName: UILabel!
@IBOutlet weak var movieCollectionView: UICollectionView!
var sectionNumber:Int = 0
let appModel = AppModel()
override func awakeFromNib() {
super.awakeFromNib()
movieCollectionView.delegate = self
movieCollectionView.dataSource = self
movieCollectionView.register(UINib(nibName: "CollectionViewCell", bundle: nil), forCellWithReuseIdentifier: "cell")
}
@IBAction func viewAllPressed(_ sender: UIButton) {
}
func numberOfSections(in collectionView: UICollectionView) -> Int {
appModel.movieCategories.count
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return appModel.movieCategories[section].categoryMovies.count
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = movieCollectionView.dequeueReusableCell(withReuseIdentifier: "categoryCell", for: indexPath) as! CollectionViewCell
cell.posterImage.image = appModel.movieCategories[indexPath.section].categoryMovies[indexPath.item].poster
return cell
}
這些是模型類:
class MovieDetails{
let movieTitle:String
let poster:UIImage
let voteAverage:String
let overview:String
let releaseDate:String
init(movieTitle:String,poster:UIImage,voteAverage:String,overview:String,releaseDate:String) {
self.movieTitle = movieTitle
self.overview = overview
self.poster = poster
self.releaseDate = releaseDate
self.voteAverage = voteAverage
}
}
class MovieCategory {
var genreID:String = ""
var categoryTitle:String = ""
var categoryMovies:[MovieDetails] = []
init(genreID:String,categoryTitle:String) {
self.genreID = genreID
self.categoryTitle = categoryTitle
}
}
我認為我的問題是我不知道在側 CategoryCollectionViewCell 中調用 parseJson 的位置以及調用 reloadData() 的位置。 如果您對此有所了解,請幫助我,謝謝。
認為它的工作:寫在你的 alamofire func 和畢竟 (.success) & (.failure)
self.yourCollectionView.reloadData()
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