如何将 NSString 发送到另一个视图控制器 [英] How to send an NSString to another view controller

问题描述

我有一个 IBAction，它在触发时调用不同视图控制器 (APICallsViewController) 中的另一个方法.我还希望向该方法发送一个 NSString(消息)

I have an IBAction that when triggered calls another method in a different view controller ( APICallsViewController). I'm looking to also send that method an NSString (message)

这是我的 IBAction，它推送到 APICallsViewController 以及 NSString 消息.我的问题可能是如何在另一个视图控制器的方法中获取该 NSString 的内容.

here's my IBAction with the push to the APICallsViewController and also the NSString message. My question might be how do I grab the contents of that NSString in the other view controller's method.

感谢您的帮助

-(IBAction) someMethod{
        APICallsViewController *apiViewController = [[APICallsViewController alloc] init];
        [self.navigationController pushViewController:apiViewController animated:YES]; 

        NSString *message = [NSString stringWithFormat:@"Check out %@", nameLb.text];

        [apiViewController apiGraphUserCheckins];

        [apiViewController release];

}

推荐答案

在 APICallsViewController.h 中做这段代码

do this code in APICallsViewController.h

@interface APICallsViewController : UIViewController{
   NSString *strMessage;

}
@property(nonatomic,retain) NSString *strMessage;

@end

APICallsViewController.m

APICallsViewController.m

 @synthesize strMessage;

- (void)viewDidLoad {
Nslog(@"%@",strMessage);

}

-(IBAction) someMethod{

    APICallsViewController *apiViewController = [[APICallsViewController alloc] init];
    [self.navigationController pushViewController:apiViewController animated:YES]; 

    NSString *message = [NSString stringWithFormat:@"Check out %@", nameLb.text];
    apiViewController.strMessage=message;
    [apiViewController apiGraphUserCheckins];

    [apiViewController release];

}

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