NSFileManager.defaultManager()。fileExistsAtPath返回false而不是true
这怎么可能?
let exists = NSFileManager.defaultManager().fileExistsAtPath(path.absoluteString) print("exists: \(exists)") //false
这是path.absoluteString
//file:///Users/kuna/Library/Developer/CoreSimulator/Devices/92BD140D-5C14-43C4-80D6-904BB9594ED6/data/Containers/Data/Application/5B818832-BB19-4047-A7F8-1487F36868D6/Documents/wishlists/68/147/128/IMG_0006.PNG
你可以看到它在那里它应该是:
到底是怎么回事?
显然你的path
variables是一个NSURL
(描述一个文件path)。 要以stringforms获取path,请使用path
属性,而不是absoluteString
:
if let filePath = path.path { let exists = NSFileManager.defaultManager().fileExists(atPath: filePath) }
absoluteString
以string格式返回URL,包括file:
scheme等。
例:
let url = NSURL(fileURLWithPath: "/path/to/foo.txt") // This is what you did: print(url.absoluteString) // Output: file:///path/to/foo.txt // This is what you want: print(url.path!) // Output: /path/to/foo.txt
如果你想检查path是否存在,你应该检查path
let url = NSURL(string: "balabala") let path = url?.path //Check path