The path of the URL, unescaped with the
stringByReplacingPercentEscapesUsingEncoding:method. If the receiver does not conform to RFC 1808, returns
If this URL object contains a file URL (as determined with
isFileURL), the return value of this method is suitable for input into methods of NSFileManager or NSPathUtilities. If the path has a trailing slash it is stripped.
Per RFC 3986, the leading slash after the authority (host name and port) portion is treated as part of the path.
转载请明显位置注明出处：objective-c – 将NSURL转换为本地文件路径