iOS快速跳转指定控制器

第一种方式:

[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:2] animated:YES];

第二种方式:

for (UIViewController *controller in self.navigationController.viewControllers) {

if ([controller isKindOfClass:[***Controller class]]) {

[self.navigationController popToViewController:controller animated:YES];

第三种方式:

[self.navigationController popToViewController:[self.navigationController.viewControllersobjectAtIndex: ([self.navigationController.viewControllerscount] -6)]animated:NO];