//OC
NSArray *array = [NSMutableArray new];

array = self.navigationController.viewControllers;

//1、返回指定index的控制器

UIViewController *viewC = [array objectAtIndex:0];

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

//2、

UIViewController *viewc = [UIViewController new];

for (viewc in  array) {

   if ([viewc isKindOfClass:[指定控制器 class]]) {

       [self.navigationController popToViewController:viewcanimated:YES];

   }

}

//3、

　[vcArr removeObject:strongSelf];

[self.navigationController setViewControllers:vcArr animated:NO];

//返回指定界面

let marr = NSMutableArray.init(array:(self.navigationController?.viewControllers)!)

for i in 0..<marr.count {

     let vc = marr[i] as! UIViewController

     let vcName = type(of: vc)

     let PurposeVCName = type(of: 指定控制器名称())

     if "\(PurposeVCName)" == "\(vcName)" {

          self.navigationController?.popToViewController(vc, animated: true)

     }

}

let marr = NSMutableArray.init(array:(self.navigationController?.viewControllers)!)

for i in 0..<marr.count {

    let vc = marr[i] as! UIViewController

    let vcName = type(of: vc)

    let PurposeName = type(of: 指定控制器的后一个控制器名称())

    if "\(PurposeName)" == "\(vcName)" {

       let popVC = self.navigationController?.viewControllers[i-1]

       self.navigationController?.popToViewController(popVC!, animated: true)

    }

}

//将本控制器从导航栏控制器数组中移除，从而返回到跳转到本控制器的控制器
let marr = NSMutableArray.init(array(self.navigationController?.viewControllers)!)

let removeArr = NSMutableArray()

for i in 0..<marr.count {

    let vc = marr[i] as! UIViewController

    let vcName = type(of: vc)

    let selfName = type(of: self)

    if "\(selfName)" == "\(vcName)" {

       removeArr.add(vc)

    }

}

if removeArr.count > 0 {

   for i in 0..<removeArr.count {

        let vc = removeArr[i] as! UIViewController

        marr.remove(vc)

   }

}

let array : NSArray = marr

self.navigationController?.viewControllers = array as! [UIViewController]