objective-c - 如何读取 IBAction 中的按钮标签？

Question

我有按钮:

...

UIButton* rightButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
[rightButton setTitle:annotation.title forState:UIControlStateNormal];
rightButton.tag = myCustomNumber;
[rightButton addTarget:self action:@selector(showDetails:) forControlEvents:UIControlEventTouchUpInside];
...

这里是 IBAction:

..
-(IBAction)showDetails:(id)sender{

    // here I want to NSLOG button tag

}
...

怎么做？

Answer 1

只需将您的发件人转换到 UIControl

-(IBAction)showDetails:(UIControl *)sender {

    // here I want to NSLOG button tag
    NSLog(@"%d",sender.tag);

}