ios - 如何检查目录是否存在？

Question

我有创建目录的功能:

func createSystemFolders(){
        // Create a FileManager instance
        let fileManager = FileManager.default
        do {
            try fileManager.createDirectory(atPath: "json", withIntermediateDirectories: true, attributes: nil)
        }
        catch let error as NSError {
            debugPrint("\(ErrorsLabels.AppDelegate01): \(error)")
        }

        do {
            try fileManager.createDirectory(atPath: "inspirations", withIntermediateDirectories: true, attributes: nil)
        }
        catch let error as NSError {
            debugPrint("\(ErrorsLabels.AppDelegate02): \(error)")
        }

        do {
            try fileManager.createDirectory(atPath: "products", withIntermediateDirectories: true, attributes: nil)
        }
        catch let error as NSError {
            debugPrint("\(ErrorsLabels.AppDelegate03): \(error)")
        }
    }

我需要第二个函数来检查目录是否存在。

我如何检查它？

Answer 1

你可以用这个，

fileprivate func directoryExistsAtPath(_ path: String) -> Bool {
    var isdirectory : ObjCBool = true
    let exists = FileManager.default.fileExists(atPath: path, isDirectory: &isDirectory)
    return exists && isDirectory.boolValue
}