详解IOS中文件路径判断是文件还是文件夹

+ (BOOL)isDirectory:(NSString *)filePath 
{ 
  BOOL isDirectory = NO; 
  [[NSFileManager defaultManager] fileExistsAtPath:filePath isDirectory:&isDirectory]; 
  return isDirectory; 
} 

+ (BOOL)isDirectory:(NSString *)filePath 
{ 
  NSNumber *isDirectory; 
  NSURL *fileUrl = [NSURL fileURLWithPath:filePath]; 
  [fileUrl getResourceValue:&isDirectory forKey:NSURLIsDirectoryKey error:nil]; 
  return isDirectory.boolValue; 
}