pod 'FWSideMenu'
注意：如出现 Unable to find a specification for 'FWSideMenu' 错误，可执行 pod repo update 命令。

/// 中间控制器
@objc public var centerViewController: UIViewController?
/// 左侧侧滑控制器
@objc public var leftMenuViewController: UIViewController?
/// 右侧侧滑控制器
@objc public var rightMenuViewController: UIViewController?

/// 拖动状态
@objc public var sideMenuPanMode: FWSideMenuPanMode = .defaults
/// 当前菜单状态
@objc public var sideMenuState: FWSideMenuState = .closed

/// 左菜单宽度
@objc public var leftMenuWidth: CGFloat = UIScreen.main.bounds.width * 0.8
/// 右菜单宽度
@objc public var rightMenuWidth: CGFloat = 270.0

/// 左、右菜单是否跟随滑动
@objc public var menuSlideAnimationEnabled: Bool = true
/// 左（右）菜单滑动相对于本身的宽度值的 1/menuSlideAnimationFactor
@objc public var menuSlideAnimationFactor: CGFloat = 3.0

ViewController *vc = [[ViewController alloc] init];
UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:vc];
    
[FWSideMenuContainerViewController containerWithCenterViewController: nav 
                                              leftMenuViewController:[[MenuViewController alloc] init] 
                                             rightMenuViewController:nil];