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stringByAppendingPathComponent n'est pas disponible

Mon application partage la photo sur Instagram. Pour ce faire, elle l'enregistre d'abord dans un répertoire temporaire:

let writePath = NSTemporaryDirectory().stringByAppendingPathComponent("instagram.igo")

Il travaillait sur Swift 1.2, mais ne fonctionne pas sur Swift 2.0.

Le message d'erreur donné est:

stringByAppendingPathComponent n'est pas disponible: utilisez plutôt URLByAppendingPathComponent sur NSURL.

iosswiftswift2
126
Maysam

Il semble que la méthode stringByAppendingPathComponent soit supprimée dans Swift 2.0. Le message d'erreur suggère donc d'utiliser:

let writePath = NSURL(fileURLWithPath: NSTemporaryDirectory()).URLByAppendingPathComponent("instagram.igo")

Mise à jour:

URLByAppendingPathComponent() a été remplacé par appendingPathComponent() alors faites plutôt:

let writePath = NSURL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent("instagram.igo")
137
Dániel Nagy

Cela fonctionne pour NSString afin que vous puissiez l'utiliser comme ceci:

extension String {
    func stringByAppendingPathComponent(path: String) -> String {
        let nsSt = self as NSString
        return nsSt.stringByAppendingPathComponent(path)
    }
}

Vous pouvez maintenant utiliser cette extension qui convertira d’abord votre String en NSString, puis effectuera l’opération.

Et votre code sera:

let writePath = NSTemporaryDirectory().stringByAppendingPathComponent("instagram.igo")

Voici d'autres méthodes d'utilisation:

extension String {  

    var lastPathComponent: String {  
        return (self as NSString).lastPathComponent  
    }  
    var pathExtension: String {  
        return (self as NSString).pathExtension  
    }  
    var stringByDeletingLastPathComponent: String {  
        return (self as NSString).stringByDeletingLastPathComponent  
    }  
    var stringByDeletingPathExtension: String {  
        return (self as NSString).stringByDeletingPathExtension  
    }  
    var pathComponents: [String] {  
        return (self as NSString).pathComponents  
    }  
    func stringByAppendingPathComponent(path: String) -> String {  
        let nsSt = self as NSString  
        return nsSt.stringByAppendingPathComponent(path)  
    }  
    func stringByAppendingPathExtension(ext: String) -> String? {  
        let nsSt = self as NSString  
        return nsSt.stringByAppendingPathExtension(ext)  
    }  
}

Référence de ICI .

Pour Swift 3.0:

extension String {
    func stringByAppendingPathComponent1(path: String) -> String {
        let nsSt = self as NSString
        return nsSt.appendingPathComponent(path)
    }
}

let writePath = NSTemporaryDirectory().stringByAppendingPathComponent(path: "instagram.igo")


extension String {

    var lastPathComponent: String {
        return (self as NSString).lastPathComponent
    }
    var pathExtension: String {
        return (self as NSString).pathExtension
    }
    var stringByDeletingLastPathComponent: String {
        return (self as NSString).deletingLastPathComponent
    }
    var stringByDeletingPathExtension: String {
        return (self as NSString).deletingPathExtension
    }
    var pathComponents: [String] {
        return (self as NSString).pathComponents
    }
    func stringByAppendingPathComponent(path: String) -> String {
        let nsSt = self as NSString
        return nsSt.appendingPathComponent(path)
    }
    func stringByAppendingPathExtension(ext: String) -> String? {
        let nsSt = self as NSString
        return nsSt.appendingPathExtension(ext)
    }
}
73
Dharmesh

Enroulez simplement votre chaîne sous la forme NSString.

let writePath = (NSTemporaryDirectory() as NSString).stringByAppendingPathComponent("instagram.igo")
30
Jeffrey Neo

pour Swift:

let writePath = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(directoryname).path

ou mieux créer cette extension:

extension String {
    func appendingPathComponent(_ string: String) -> String {
        return URL(fileURLWithPath: self).appendingPathComponent(string).path
    }
}

usage:

 let writePath = NSTemporaryDirectory().appendingPathComponent(directoryname)
14
Vyacheslav

Swift 3 Solution:

Voici une fonction pour obtenir le chemin du répertoire de documents

    func getDocumentsDirectory() -> URL {
         let paths = FileManager.default.urls(for: .documentDirectory, in:.userDomainMask)
         let documentsDirectory = paths[0]
         return documentsDirectory
     }

Comment utiliser:

    getDocumentsDirectory.appendingPathComponent("google.com")

Résultat:

    file:///var/folders/w1/3rcp2fvs1qv43hfsh5876s0h0000gn/T/com.Apple.dt.Xcode.pg/containers/com.Apple.dt.playground.stub.iOS_Simulator.MyPlayground-7CF9F706-509C-4D4C-997E-AB8FE9E4A6EA/Documents/google.com
6
Revanth

Pour Swift 2.0

// Get the documents Directory
    func documentsDirectory() -> String {
        let documentsFolderPath = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)[0]
        return documentsFolderPath
    }

// Get path for a file in the directory
func fileInDocumentsDirectory(filename: String) -> String {

    let writePath = (documentsDirectory() as NSString).stringByAppendingPathComponent("Mobile")

    if (!NSFileManager.defaultManager().fileExistsAtPath(writePath)) {
        do {
            try NSFileManager.defaultManager().createDirectoryAtPath(writePath, withIntermediateDirectories: false, attributes: nil) }
            catch let error as NSError {
                print(error.localizedDescription);
        }
    }
    return (writePath as NSString).stringByAppendingPathComponent(filename)
}

//# MARK: - Save Image in Doc dir
func saveImage (image: UIImage, path: String ) -> Bool{

    let pngImageData = UIImagePNGRepresentation(image)
    //        let jpgImageData = UIImageJPEGRepresentation(image, 1.0)   // if you want to save as JPEG
    let result = pngImageData!.writeToFile(path, atomically: true)

    print("\(result)")
    print("\(path)")

    return result

}
5
Mehul Chuahan

Vous pouvez utiliser URLByAppendingPathComponent () à la place. Veuillez noter que vous devez couper la chaîne du chemin pour supprimer le préfixe "file: //":

let uniqueFileName = NSUUID().UUIDString
let documentsDirectory = getDocumentsDirectoryURL()
    if let path = documentsDirectory?.URLByAppendingPathComponent(uniqueFileName) {
        var pathString = path.absoluteString
        pathString = imagePathString.stringByTrimmingCharactersInSet(NSCharacterSet(charactersInString: "file://"))
}

func getDocumentsDirectoryURL() -> NSURL? {
    let fileManager = NSFileManager()
    if let docsDirectory = fileManager.URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask).first {
        return docsDirectory
    }
    return nil
}
2
user2374993 - Inbal Tish

Faites ce qui suit:

(("\(fileName)" as NSString).lastPathComponent as NSString).stringByDeletingPathExtension
0
Mauro Delazeri