因此,我决定将我的应用程序迁移到 Swift 3.0,但现在我发现自己无法解决使用新 Alamofire 的 .GET 请求所面临的问题。这是现在的请求:
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()
}
}
}
}
我遇到的问题是 if let AT = items["artistName"] as? String
错误是这样的: Type 'NSFastEnumerationIterator.Element (aka: 'Any') has no subscript Members
非常感谢!
最佳答案
正如评论中提到的,您应该将代码更改为:
if let AT = items["artistName"] as? [[String:Any]]
但是为了使您的代码更安全,您应该使用以下内容:
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)
}
}
关于ios - 新 Alamofire Swift 3 上的 GET 请求,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40071741/