如何将值 NSLabel 从一种表示形式传递到另一种表示形式。带故事板

Question

如何将值从一个控制器传递到另一个控制器？我使用故事板。

-(void) prepareForSegue:(UIStoryboardPopoverSegue *)segue sender:(id)sender
{
    if ([segue.identifier hasPrefix:@"FinishController"]) {
        FinishController *asker = (FinishController *) segue.destinationViewController;
        asker.FinishDesc = @"What do you want your label to say?";
        asker.FinishTitle = @"Label text";
        asker.FinishPoint = @"asdas";
    }
}

我想出现在第一个视图的突出显示的文本视图上。

调用下一个视图的代码，我觉得应该是这样的： UIStoryboard *finish = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];

     UIViewController *viewController = [finish instantiateViewControllerWithIdentifier:@"FinishController"];

     viewController.modalPresentationStyle = UIModalPresentationPageSheet;
     [self presentModalViewController:viewController animated:YES];

完成控制器：

- (void)viewDidLoad
{
    self.lblFinishTitle.text=self.FinishTitle;
    self.lblFinishDesc.text = self.FinishDesc;
    self.lblFinishPoint.text=self.FinishPoint;
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

Answer 1

可以使用全局变量吗？如果是这样，请看一下名为“extern”的东西。希望这能给你一个方向=]