好用的宏定义

   //获取系统对象 
 

   #define kApplication[UIApplication sharedApplication] 
 

   #define kAppWindow[UIApplication sharedApplication].delegate.window 
 

   #define kAppDelegate[AppDelegate shareAppDelegate] 
 

   #define kRootViewController[UIApplication sharedApplication].delegate.window.rootViewController 
 

   #define kUserDefaults[NSUserDefaults standardUserDefaults] 
 

   #define kNotificationCenter[NSNotificationCenter defaultCenter] 
 

    //View圆角和加边框 
  
    #define ViewBorderRadius(View,Radius,Width,Color)\ 
  
    \ 
  
    [View.layer setCornerRadius:(Radius)];\ 
  
    [View.layer setMasksToBounds:YES];\ 
  
    [View.layer setBorderWidth:(Width)];\ 
  
    [View.layer setBorderColor:[Color CGColor]] 
  
    // View圆角 
  
    #define ViewRadius(View,Radius)\ 
  
    \ 
  
    [View.layer setCornerRadius:(Radius)];\ 
  
    [View.layer setMasksToBounds:YES] 
  
     //property属性快速声明 
   
     #define PropertyString(s)@property(nonatomic,copy)NSString * s 
   
     #define PropertyNSInteger(s)@property(nonatomic,assign)NSIntegers 
   
     #define PropertyFloat(s)@property(nonatomic,assign)floats 
   
     #define PropertyLongLong(s)@property(nonatomic,assign)long long s 
   
     #define PropertyNSDictionary(s)@property(nonatomic,strong)NSDictionary * s 
   
     #define PropertyNSArray(s)@property(nonatomic,strong)NSArray * s 
   
     #define PropertyNSMutableArray(s)@property(nonatomic,strong)NSMutableArray * s 
   
     ///IOS版本判断 
   
     #define IOSAVAILABLEVERSION(version)([[UIDevice currentDevice]availableVersion:version]< 0) 
   
     //当前系统版本 
   
     #define CurrentSystemVersion[[UIDevice currentDevice].systemVersion doubleValue] 
   
     //当前语言 
   
     #define CurrentLanguage(［NSLocale preferredLanguages]objectAtIndex:0]) 
   
     //-------------------打印日志------------------------- 
   
     //DEBUG模式下打印日志,当前行 
   
     #ifdef DEBUG 
   
     #define LYLog(fmt,...)NSLog((@"%s[Line %d]" fmt),__PRETTY_FUNCTION__,__LINE__,##__VA_ARGS__); 
   
     #else 
   
     #define LYLog(...) 
   
     #endif 
   
      //单例化一个类 
    
      #define SINGLETON_FOR_HEADER(className)\ 
    
      \ 
    
      +(className *)shared##className; 
    
      #define SINGLETON_FOR_CLASS(className)\ 
    
      \ 
    
      +(className *)shared##className { \ 
    
      static className *shared##className = nil;\ 
    
      static dispatch_once_t onceToken;\ 
    
      dispatch_once(&onceToken,^{ \ 
    
      shared##className =[[self alloc]init];\ 
    
      });\ 
    
      return shared##className;\ 
    
      } 
    
 #define SCREENWIDTH  [UIScreen mainScreen].bounds.size.width
 #define SCREENHEIGHT [UIScreen mainScreen].bounds.size.height
 
 #define PPRGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1]
 #define PPCOLOR(r,g,b,a) [UIColor colorWithRed:r/255.f green:g/255.f blue:b/255.f alpha:a]
 #define PPRANDOMCOLOR  [UIColor colorWithRed:(arc4random()%255)/255.0f green:(arc4random()%255)/255.0f blue:(arc4random()%255)/255.0f alpha:1]
 
 #define COLOR_WITH_HEX(hexValue) [UIColor colorWithRed:((float)((hexValue & 0xFF0000) >> 16)) / 255.0 green:((float)((hexValue & 0xFF00) >> 8)) / 255.0 blue:((float)(hexValue & 0xFF)) / 255.0 alpha:1.0f]
 #define WEAKSELF    __weak __typeof(&*self) ws = self;
 #define WIDTHSCALE6 SCREENWIDTH/375.0f
 #define HEIGHTSCALE6 SCREENHEIGHT/667.0f

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