连续检查两个 NSSecureTextField
我怎样才能做到一直检查 2 个 NSSecureTextFields 以了解它们是否相同/不同以显示图像而不需要按钮?
.h 文件:
IBOutlet NSSecureTextField *textField;
IBOutlet NSSecureTextField *textField2;
IBOutlet NSImageView *imagem;
}
- (IBAction)verificarPass:(id)sender;
.m 文件:
- (IBAction)verificarPass:(id)sender;
{
NSString *senha1 = [textField stringValue];
NSString *senha2 = [textField2 stringValue];
NSImage *certo;
NSImage *errado;
certo = [NSImage imageNamed:@"Status_Accepted.png"];
errado = [NSImage imageNamed:@"Error.png"];
if ([senha1 isEqualToString:senha2]) {
[imagem setImage:certo];
}else{
[imagem setImage:errado];
}
}
how can i make this to keep checking all the time the 2 NSSecureTextFields to know if they are equal/different to display the images without the need of a button?
the .h file:
IBOutlet NSSecureTextField *textField;
IBOutlet NSSecureTextField *textField2;
IBOutlet NSImageView *imagem;
}
- (IBAction)verificarPass:(id)sender;
the .m file:
- (IBAction)verificarPass:(id)sender;
{
NSString *senha1 = [textField stringValue];
NSString *senha2 = [textField2 stringValue];
NSImage *certo;
NSImage *errado;
certo = [NSImage imageNamed:@"Status_Accepted.png"];
errado = [NSImage imageNamed:@"Error.png"];
if ([senha1 isEqualToString:senha2]) {
[imagem setImage:certo];
}else{
[imagem setImage:errado];
}
}
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将目标方法添加到 textField 控件,由
UIControlEventEditingChanged
控件事件触发:Add a target method to the textField controls, triggered by the
UIControlEventEditingChanged
control event: