iOS delegate传值

#import <UIKit/UIKit.h>

#import "MineHeadModel.h"

NS_ASSUME_NONNULL_BEGIN

@protocol HeadViewDelegate <NSObject>

 

- (void)headViewButtonClick:(NSInteger)index;

 

@end

@interface HeadView : UIView

@property (nonatomic, weak) id<HeadViewDelegate> delegate;

@property (nonatomic, strong) MineHeadModel *model;

 

 

@end

 

- (void)buttonClick:(UIButton *)button

{

    if (self.delegate && [self.delegate respondsToSelector:@selector(headViewButtonClick:)]) {

        [self.delegate headViewButtonClick:button.tag];

    }

}

 

HeadViewDelegate

 

@property (nonatomic, strong) HeadView *headerView;

 

 

- (HeadView *)headerView

{

    if(!_headerView){

        _headerView = [[HeadView alloc]init];

        _headerView.delegate = self;

    }

    return _headerView;

}

 

#pragma mark - HeadView上按钮点击的回调方法

- (void)headViewButtonClick:(NSInteger)index{

 

}