(一)Model切换
由viewController_A对象模态切换至viewController_B对象:
viewController_A.presentedViewController =viewController_B;
viewController_B.presentingViewController=viewController_A;
(一)Model切换
由viewController_A对象模态切换至viewController_B对象:
viewController_A.presentedViewController =viewController_B;
viewController_B.presentingViewController=viewController_A;