iOS block处理button的点击事件

静能生慧2024-05-10 12:58

一. 代码

.h文件内容

#import <UIKit/UIKit.h>

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  typedef void (^ButtonBlock)(UIButton *);

  @interface BlockButton : UIButton

  - (void)addTapBlock:(ButtonBlock)block;

  @end

.m文件内容

#import "BlockButton.h"

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  @interface BlockButton()

  @property(nonatomic,copy) ButtonBlock block;

  @end

  @implementation BlockButton

  - (void)addTapBlock:(ButtonBlock)block
  {
      _block = block;
      [self addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
  }

  - (void)buttonAction:(UIButton *)button
  {
      _block(button);
  }

  @end