iOS控件的缩放，平移，旋转和回到原点

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原创最新推荐文章于 2026-05-18 05:33:39 发布 2.9k 阅读 AI 写同款· GEO 优化 ›

ios如何旋转，缩放，平移控件 iOS中利用控件transform属性进行旋转，缩放，移动。其中CGAffineTransform是一结构体类型，transform属性即，由上述结构体可知默认的transform属性为CGAffineTransformIdentity。也就是［1 0 0 1 0 0］，前四个表示旋转角度的余弦值（cosA），正弦值（sinA），正弦值的相反数（－sinA），余弦值（cosA）阅读详情

<span style="font-family:Verdana;"><span style="font-family:Microsoft YaHei;"><span style="font-family:Microsoft YaHei;">#import "ViewController.h"

@interface ViewController ()

@property (weak, nonatomic) IBOutlet UIButton *moving;

- (IBAction)move;

- (IBAction)rotate;

- (IBAction)scale;

- (IBAction)goback;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (IBAction)move {
    
    // 2.修改结构体值
    // 下面这句话的意思是：告诉控件，要平移到距离原始位置-50的位置
//    self.moving.transform = CGAffineTransformMakeTranslation(0, 50); // 向上平移
    
    // 基于一个旧的值，再进行平移
    // 基于一个现有的值，再进行平移
    self.moving.transform = CGAffineTransformTranslate(self.moving.transform, 0, 50);
}

- (IBAction)rotate {
    //45°
//    self.moving.transform = CGAffineTransformMakeRotation(M_PI_4);
    self.moving.transform = CGAffineTransformRotate(self.moving.transform, M_PI_4);
}

- (IBAction)scale {
//    self.moving.transform = CGAffineTransformMakeScale(0.5, 0.5);
    
    [UIView animateWithDuration:2.5 animations:^{
        self.moving.transform = CGAffineTransformTranslate(self.moving.transform, 0, 50);
        self.moving.transform = CGAffineTransformRotate(self.moving.transform, M_PI_4);
        self.moving.transform = CGAffineTransformScale(self.moving.transform, 1.5, 1.5);
    }];
}

//让控件回到原来的位置
- (IBAction)goback {
    self.moving.transform = CGAffineTransformIdentity;
}
@end
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