我想将 LoginView 中文本字段的值传递给 uploadview,但 UserLogin1 始终为 NULL(0x000000)这是我的代码:loginvuew.h
@property (nonatomic,retain) IBOutlet UITextField *username;
登录视图.m
-(IBAction)LoginButton:(id)sender{
uploadview= [[UploadTab alloc] initWithFrame:CGRectMake(0,0,0,0) andUsertring:username.text];
}
上传视图.h
@property (nonatomic, copy) NSString *UserLogin1;
- (id)initWithFrame:(CGRect)frame andUsertring:(NSString *)strUser;
上传视图.m
- (id)initWithFrame:(CGRect)frame andUsertring:(NSString *)strUser
{
if (self) {
UserLogin1=[[NSString alloc] init];
UserLogin1 = strUser;
}
return self;
}
- (void)viewDidLoad
{
NSLog(@"User login: %@",UserLogin1);
self.navigationItem.title = [NSString stringWithFormat: @"Hello, %@",UserLogin1];
}
在 initWithFrame() 中运行时,字符串传递正确但在 ViewDidLoad 中不正确。UserLogin1 变量始终为 0x00000。你有什么建议吗?提前谢谢