http://site.douban.com/129642/widget/notes/5513129/note/187701199/
压入: [menuController popViewController:controller animated:YES];
弹出: [self.navigationController popToRootViewControllerAnimated:YES];
http://site.douban.com/129642/widget/notes/5513129/note/187701199/
压入: [menuController popViewController:controller animated:YES];
弹出: [self.navigationController popToRootViewControllerAnimated:YES];