NSDictionary 之 for (id item in dic)遍历

 关于NSDictionary的遍历，以标题这种形式遍历的话，每一个元素是一个key而不是一个value也不是pair

 

for (NSString * key in self.foldersDictionary)
{
    NSMutableDictionary * item = [self.foldersDictionary objectForKey:key];
    NSLog(@"item class : %@",item.class);
    if ([[item.class description] isEqualToString:@"__NSCFDictionary"])
    {
        NSArray * fileArray = [item objectForKey:@"files"];
        for (NSString * file in fileArray)
        {
            GDUploadItem * uploadItem = [GDUtilityClass uploadItemForPath:file parentEntry:[item objectForKey:@"entry"]];
            [files addObject:uploadItem];
        }
    }
}

记录一下