text: //
  //  UIView+Addition.h
  //  MYBannerCycleViewDemo
  //
  //  Created by QMMac on 2017/2/8.
  //  Copyright © 2017 QMMac. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIView (Addition)
  
  @property (nonatomic) CGFloat left;        ///< Shortcut for frame.origin.x.
  @property (nonatomic) CGFloat top;         ///< Shortcut for frame.origin.y
  @property (nonatomic) CGFloat right;       ///< Shortcut for frame.origin.x + frame.size.width
  @property (nonatomic) CGFloat bottom;      ///< Shortcut for frame.origin.y + frame.size.height
  @property (nonatomic) CGFloat width;       ///< Shortcut for frame.size.width.
  @property (nonatomic) CGFloat height;      ///< Shortcut for frame.size.height.
  @property (nonatomic) CGFloat centerX;     ///< Shortcut for center.x
  @property (nonatomic) CGFloat centerY;     ///< Shortcut for center.y
  @property (nonatomic) CGPoint origin;      ///< Shortcut for frame.origin.
  @property (nonatomic) CGSize  size;        ///< Shortcut for frame.size.
  
  @end
  