Ios 如何找到哪个控制器I'；我正在传递给另一个控制器

我有两个表视图控制器

StudentsTableViewController

和

TeachersTableViewController

，分别显示学生姓名和教师姓名，我只有一个

DetailTableViewController

，它在各个部分中显示他们的详细信息。我对这两个控制器有不同的部分

我正在使用情节提要ID进行推送。现在我的问题是，如何在您的DetailViewController.h

@property (nonatomic,assign) BOOL comeFromStudentsTable;

@property(nonatomic,strong)NSString *controllerIdentifier;

在您的studentstablevewcontroller.m中

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toStudentTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=YES;

   }
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toTeacherTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=NO;

   }
}

- (void)viewDidLoad {
   if (self.comeFromStudentsTable)
   {
        // do what you want If come from student 
   }
   else
   {
       // do what you want If come from teacher 
   }

}

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"StudentTableViewController";
detailController.controllerIdentifier = identifier; 
[self.navigationController pushViewController:detailController animated:YES];

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"TeacherTableViewController";
detailController.controllerIdentifier = identifier;
[self.navigationController pushViewController:detailController animated:YES];

- (void)viewDidLoad { <br>
    NSLog(@"Passed controller is %@",controllerIdentifier); 
}

在您的教师StableViewController.m中

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toStudentTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=YES;

   }
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toTeacherTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=NO;

   }
}

- (void)viewDidLoad {
   if (self.comeFromStudentsTable)
   {
        // do what you want If come from student 
   }
   else
   {
       // do what you want If come from teacher 
   }

}

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"StudentTableViewController";
detailController.controllerIdentifier = identifier; 
[self.navigationController pushViewController:detailController animated:YES];

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"TeacherTableViewController";
detailController.controllerIdentifier = identifier;
[self.navigationController pushViewController:detailController animated:YES];

- (void)viewDidLoad { <br>
    NSLog(@"Passed controller is %@",controllerIdentifier); 
}

---

在您的DetailViewController.m

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toStudentTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=YES;

   }
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

if ([[segue identifier] isEqualToString:@"segueID_toTeacherTable"])
   {
       DeatilViewController *vc = [segue destinationViewController];
       vc.comeFromStudentsTable=NO;

   }
}

- (void)viewDidLoad {
   if (self.comeFromStudentsTable)
   {
        // do what you want If come from student 
   }
   else
   {
       // do what you want If come from teacher 
   }

}

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"StudentTableViewController";
detailController.controllerIdentifier = identifier; 
[self.navigationController pushViewController:detailController animated:YES];

DetailTableViewController *detailController;
detailController = [self.storyboard instantiateViewControllerWithIdentifier:@"detailTVC"];
NSString *identifier = @"TeacherTableViewController";
detailController.controllerIdentifier = identifier;
[self.navigationController pushViewController:detailController animated:YES];

- (void)viewDidLoad { <br>
    NSLog(@"Passed controller is %@",controllerIdentifier); 
}

---

您可以使用传递给DetailViewController的类对象的类型来识别它

例如：在DetailViewController中创建细节对象的属性

@property (nonatomic,retain) id detailObject; //This will be object of Student/Teacher class.

现在在DetailViewController中，您可以创建如下条件：

if([self.detailObject isKindOfClass:[Teacher class]])
    {
        //Do code for Teacher details
    }
    else{
        //Do code for Student details
    }

---

在你的细节中，写下这篇文章来获得推动你的VC

NSArray*navStack=self.navigationController.viewControllers；
UIViewController*parent=navStack[MIN（（NSInteger）navStack.count-2，0）]；
/*-2，-1，因为count不是有效的索引，而-1用于当前VC*/

---

尽管如此，这是非常脆弱的，您最好在两个VCs之间采用一个通用协议，或者根据您试图显示的对象进行反射检查（即，

是类：…

）（因此不关心您是如何得到这里的语义的，而是什么对象得到了这里）。

谢谢大家。我使用故事板ID实现了另一个逻辑。。 在“StudentTableViewController.m中

在“TeacherTableViewController.m中

在“DetailTableViewController.h中

在“DetailTableViewController.m中

-（void）viewDidLoad{

NSLog（@“传递的控制器为%@”，controllerIdentifier）；
}

为教师和学生设置两个数组。根据单击，您必须发送一个值，根据该值，您可以在TableView上显示数据。当您在detailviewcontroller上时，您想知道您来自哪个控制器（学生或教师）？谢谢@SRNayak。。为什么我们需要数组来知道我要通过哪个控制器？？？@SRNayak是的，完全正确。@Daya凯文：它能不能工作？我还没有编译我刚在手机上输入的代码，它应该能工作