网上找了几个，但都有cup暴涨的情况发生，于是利用CABasicAnimation 简单的实现一个跑马灯,实现简单，可自己定制

#import <UIKit/UIKit.h>@interface LoopView : UIView@property(nonatomic,strong)NSString *Iformation;@property(nonatomic,strong)NSString *Image;@end#import "LoopView.h"#import "UIImageView+WebCache.h"@interface LoopView(){ UILabel *AD; UIImageView *headImage; CABasicAnimation *animation; CABasicAnimation *animationhead;}@end@implementation LoopView-(instancetype)initWithFrame:(CGRect)frame{ self = [super initWithFrame:frame]; if (self) { AD = [[UILabel alloc]initWithFrame:CGRectMake(28*WPSCREEN_WIDTH_RATIO, 0, self.frame.size.width, self.frame.size.height)]; [self addSubview:AD]; AD.textColor = TJXColor(146, 152, 169); AD.font = [UIFont fontWithName:@"Gotham-Book" size:12*WPSCREEN_WIDTH_RATIO]; AD.textAlignment = NSTextAlignmentLeft; headImage = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 20*WPSCREEN_WIDTH_RATIO, 20*WPSCREEN_WIDTH_RATIO)]; [self addSubview:headImage]; headImage.layer.cornerRadius = 10; headImage.layer.masksToBounds = YES; [self sssss]; [self headimage]; } return self;}-(void)setIformation:(NSString *)Iformation{ AD.text =Iformation;}-(void)setImage:(NSString *)Image{ [headImage sd_setImageWithURL:[NSURL URLWithString:Image]];}-(void)sssss{ animation = [CABasicAnimation animationWithKeyPath:@"position"]; // 动画选项的设定 animation.duration = 2; // 持续时间 animation.repeatCount = MAXFLOAT; // 重复次数 animation.removedOnCompletion = NO; animation.autoreverses = NO; // 起始帧和终了帧的设定 animation.fromValue = [NSValue valueWithCGPoint:CGPointMake(AD.layer.position.x, 30*WPSCREEN_HIGTH_RATIO)]; // 起始帧 animation.toValue = [NSValue valueWithCGPoint:CGPointMake(AD.layer.position.x, AD.layer.position.y-20*WPSCREEN_HIGTH_RATIO)]; // 终了帧 // 添加动画 [AD.layer addAnimation:animation forKey:@"AnimationMoveY"];// [headImage.layer addAnimation:animation forKey:@"AnimationMoveY"];}-(void)headimage{ animationhead = [CABasicAnimation animationWithKeyPath:@"position"]; // 动画选项的设定 animationhead.duration = 2; // 持续时间 animationhead.repeatCount = MAXFLOAT; // 重复次数 animationhead.removedOnCompletion = NO; animationhead.autoreverses = NO; // 起始帧和终了帧的设定 animationhead.fromValue = [NSValue valueWithCGPoint:CGPointMake(headImage.layer.position.x, 30*WPSCREEN_HIGTH_RATIO)]; // 起始帧 animationhead.toValue = [NSValue valueWithCGPoint:CGPointMake(headImage.layer.position.x, headImage.layer.position.y-20*WPSCREEN_HIGTH_RATIO)]; // 终了帧 // 添加动画 [headImage.layer addAnimation:animationhead forKey:@"AnimationMoveY"];}

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