0

所以这里是删节的代码： 

 - (void)viewDidLoad {
        [super viewDidLoad];
        currentLocation = [[UITextField alloc] init];
        currentLocation.delegate = self;
    ........
    }

    -(void) setState:(NSString *)state andCity: (NSString *)city {

        //currentLocation.text = [NSString stringWithFormat:@"%@, %@",state,city];
        currentLocation.text = @"what the shnizzle?";

        NSLog(@"state = %@, and city = %@",state,city);
        NSLog(@"currentLocation.text = %@",currentLocation.text);
}

这是控制台输出：

2009-10-03 16:00:06.311 iParkNow![1061:207] state = (null), and city = New York
2009-10-03 16:00:06.315 iParkNow![1061:207] currentLocation.text = (null)

有人知道这怎么可能吗？

4

1 回答 1

1

看起来 currentLocation 为零。您是否已验证它已正确设置？

于 2009-10-03T20:29:35.757 回答