text: //
  //  UIView+Extension.h
  //  sinaWeibo
  //
  //  Created by XSUNT45 on 16/3/30.
  //  Copyright © 2016年 XSUNT45. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIView (Extension)
  
  @property  float ws_x;
  @property  float ws_y;
  @property  float ws_width;
  @property  float ws_height;
  
  @property  float ws_centerX;
  @property  float ws_centerY;
  
  @property  float ws_bottomY;
  
  @property  CGSize ws_size;
  @property  CGPoint ws_origin;
  
  + (instancetype)viewFromXib;
  
  @end
  