[英]GET request on new Alamofire Swift 3
因此,我決定將我的應用程序遷移到Swift 3.0,但是現在我發現自己無法解決新Alamofire遇到的.GET請求所面臨的問題。 這是現在的請求:
func getAlbums(_ ID: String, ANN: String, completed: @escaping DownloadComplete) {
let searchFT = ID.replacingOccurrences(of: " ", with: "+", options: NSString.CompareOptions.literal, range: nil)
let urlPath = ""
let url = URL(string: urlPath)
Alamofire.request(url!, method: .get).responseJSON { response in
if let JSON = response.result.value as! [String: AnyObject]! {
if let dict = JSON["results"] as! NSArray! {
AlbumsArtist.removeAll()
AlbumsArtist = [String]()
ImagesArtist.removeAll()
ImagesArtist = [String]()
for items in dict {
if let AT = items["artistName"] as? String {
if AT == ANN {
if let TN = items["collectionName"] as? String {
AlbumsArtist.append(TN)
} else {
AlbumsArtist.append("")
}
if let IM = items["artworkUrl100"] as? String {
let newString = IM.stringByReplacingOccurrencesOfString("100", withString: "600", options: NSStringCompareOptions.LiteralSearch, range: nil)
ImagesArtist.append(newString)
} else {
ImagesArtist.append("")
}
}
}
}
completed()
}
}
}
}
我遇到的問題是如果讓AT = items["artistName"] as? String
AT = items["artistName"] as? String
錯誤表明: Type 'NSFastEnumerationIterator.Element (aka: 'Any') has no subscript members
非常感謝你!
如評論中所述,您應該將代碼更改為:
if let AT = items["artistName"] as? [[String:Any]]
但是,為了使代碼更安全,您應該使用以下代碼:
if let AT = items["artistName"] as? [[String:Any]] {
if AT == ANN {
guard let TN = items["collectionName"] as? String,
let IM = items["artworkUrl100"] as? String else { // Some error occurred }
AlbumsArtist.append(TN);
let newString = IM.stringByReplacingOccurrencesOfString("100", withString: "600", options: NSStringCompareOptions.LiteralSearch, range: nil)
ImagesArtist.append(newString)
}
}
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