/// 目标视图 (注意: 传视图的Window 例子: self.view.window) @property (nonatomic, weak) UIView *targetWindow; /// 目标视图展示位置 (放大镜需要展示的位置) @property (nonatomic, assign) CGPoint targetPoint; /// 放大镜位置调整 (调整放大镜在原始位置上的偏移 Defalut: CGPointMake(0, 0)) @property (nonatomic, assign) CGPoint adjustPoint; /// 放大比例 Defalut: 1.8 @property (nonatomic, assign) CGFloat scale; /// 弱引用接收对象 (内部已经强引用,如果外部也强引用需要自己释放) + (instancetype)magnifierView; /// 移除 (移除对象 并释放内部强引用) - (void)remove;

- (void)longPress:(UILongPressGestureRecognizer *)longPress { CGPoint point = [longPress locationInView:self.label.window];     if (longPress.state == UIGestureRecognizerStateBegan) {     self.magnifierView = [DZMMagnifierView magnifierView];     self.magnifierView.targetWindow = self.label.window;     self.magnifierView.targetPoint = point;   }else if (longPress.state == UIGestureRecognizerStateChanged) {     self.magnifierView.targetPoint = point;      }else{     self.magnifierView.targetPoint = point;     [self.magnifierView remove];   } }