#import
@protocol ShopCarButtonDelegate <</span>NSObject>
// 代理的方法，在此方法內(nèi)，完成按鈕的點(diǎn)擊事件。
- (void)shopCarButtonClickAction;
@end
@interfaceShopCarView : UIView
@property (nonatomic, assign)id<</span>ShopCarButtonDelegate> delegate;
// 為購(gòu)物車設(shè)置角標(biāo)內(nèi)數(shù)值
- (void)setShopCarCount:(NSString *)count;
@end

​#import "ShopCarView.h"
@interfaceShopCarView()
@property (nonatomic, strong)UIButton *carButton;
@property (nonatomic, strong)UILabel *countLabel;
@end
@implementation ShopCarView
- (instancetype)initWithFrame:(CGRect)frame{
 CGRect myFrame = CGRectMake(0, 0, 40, 40);
 self = [superinitWithFrame:myFrame];
 if (self) {
 [selfaddSubview:self.carButton];
 }
 returnself;
}
- (UIButton *)carButton{
 if (!_carButton) {
 _carButton = [UIButtonbuttonWithType:UIButtonTypeCustom];
 _carButton.frame = CGRectMake(0, 8, 32, 32);
 [_carButtonsetImage:[UIImageimageNamed:@"購(gòu)物1"] forState:UIControlStateNormal];
 [_carButtonaddTarget:selfaction:@selector(shopCarButtonAction) forControlEvents:UIControlEventTouchUpInside];
 }
 return_carButton;
}
- (UILabel *)countLabel{
 if (!_countLabel) {
 _countLabel = [[UILabelalloc] initWithFrame:CGRectMake(24, 5, 16, 16)];
 _countLabel.backgroundColor = [UIColorredColor];
 _countLabel.textAlignment = NSTextAlignmentCenter;
 _countLabel.textColor = [UIColorwhiteColor];
 _countLabel.layer.cornerRadius = 8;
 _countLabel.font = [UIFontsystemFontOfSize:12];
 _countLabel.layer.masksToBounds = YES;
 [selfaddSubview:_countLabel];
 }
 return_countLabel;
}
// 為購(gòu)物車設(shè)置角標(biāo)內(nèi)數(shù)值
- (void)setShopCarCount:(NSString *)count{
 if ([count integerValue] == 0) {
 if (_countLabel) {
  [_countLabelremoveFromSuperview];
  _countLabel = nil;
 }
 return;
 }
 if ([count integerValue] > 9) {
 self.countLabel.text = @"9+";
 }else{
 self.countLabel.text = count;
 }
 [selfshakeView:_countLabel];
}
// 實(shí)現(xiàn)的代理方法
- (void)shopCarButtonAction{
 [self.delegateshopCarButtonClickAction];
}
// 實(shí)現(xiàn)抖動(dòng)效果
-(void)shakeView:(UIView*)viewToShake
{
 CGFloat t =2.0;
 CGAffineTransform translateRight =CGAffineTransformTranslate(CGAffineTransformIdentity, t,0.0);
 CGAffineTransform translateLeft =CGAffineTransformTranslate(CGAffineTransformIdentity,-t,0.0);
 viewToShake.transform = translateLeft;
[UIViewanimateWithDuration:0.07delay:0.0options:UIViewAnimationOptionAutoreverse|UIViewAnimationOptionRepeatanimations:^{
 [UIViewsetAnimationRepeatCount:2.0];
 viewToShake.transform = translateRight;
 } completion:^(BOOL finished){
 if(finished){
[UIViewanimateWithDuration:0.05delay:0.0options:UIViewAnimationOptionBeginFromCurrentStateanimations:^{
  viewToShake.transform =CGAffineTransformIdentity;
  } completion:NULL];
 }
 }];
}
@end