模仿QQ侧边栏
一、左右边栏页面push
1、如果主控制是UITabBarController页面push做法
//获取RootViewController
UITabBarController *tabbarVC = (UITabBarController *)self.menuVc.rootViewController;
UINavigationController *nav = (UINavigationController *)tabbarVC.selectedViewController;
[nav pushViewController:vc animated:false];
2、如果住控制器UINavigationController页面push做法
UINavigationController *nav = (UINavigationController *)self.menuVc;
[nav pushViewController:vc animated:false];
二、主界面push
[self.navgationController pushViewController:vc animated:YES];