原文http://www.cocoachina.com/ios/20170526/19367.html

//通用宏定义
#ifndef define_h
#define define_h
 
//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]
 
//获取屏幕宽高
#define kScreenW ([[UIScreen mainScreen]bounds].size.width)
#define kScreenHeight ([[UIScreen mainScreen]bounds].size.height)
#define kScreenBounds [UIScreen mainScreen].bounds
#define Iphone6ScaleWidth kScreenWidth/375.0
#define Iphone6ScaleHeight kScreenHeight/667.0
 
//根据ip6的屏幕来拉伸
#define kRealValue(with)((with)*(kScreenWidth/375.0f))
 
//强弱引用
#define weakSelf(type) __weak typeof(type)weak##type = type;
 
#define kStrongSelf(type)__strong typeof(type)type = weak##type;
 
//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) NSInteger s
#define PropertyFloat(s) @property(nonatomic,assign) float s
#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 DLog(fmt,...)NSLog((@"%s[Line %d]" fmt),__PRETTY_FUNCTION__,__LINE__,##__VA_ARGS__);
 
#else
 
#define DLog(...)
 
#endif
 
//拼接字符串
 
#define NSStringFormat(format,...)[NSString stringWithFormat:format,##__VA_ARGS__]
 
//颜色
#define KClearColor[UIColor clearColor]
#define KWhiteColor[UIColor whiteColor]
#define KBlackColor[UIColor blackColor]
#define KGrayColor[UIColor grayColor]
#define KGray2Color[UIColor lightGrayColor]
#define KBlueColor[UIColor blueColor]
#define KRedColor[UIColor redColor]
 
#define kRandomColorKRGBColor(arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0)//随机色生成
 
//字体
#define BOLDSYSTEMFONT(FONTSIZE)[UIFont boldSystemFontOfSize:FONTSIZE]
 
#define SYSTEMFONT(FONTSIZE)[UIFont systemFontOfSize:FONTSIZE]
 
#define FONT(NAME,FONTSIZE)[UIFont fontWithName:(NAME)size:(FONTSIZE)]
 
//定义UIImage对象
 
#define ImageWithFile(_pointer)[UIImage imageWithContentsOfFile:([[NSBundle mainBundle]pathForResource:[NSString stringWithFormat:@"%@@%dx",_pointer,(int)[UIScreen mainScreen].nativeScale]ofType:@"png"])]
 
#define IMAGE_NAMED(name)[UIImage imageNamed:name]
 
//数据验证
 
#define StrValid(f)(f!=nil &&[f isKindOfClass:[NSString class]]&& ![f isEqualToString:@""])
 
#define SafeStr(f)(StrValid(f)?f:@"")
 
#define HasString(str,eky)([str rangeOfString:key].location!=NSNotFound)
#define ValidStr(f)StrValid(f)
 
#define ValidDict(f)(f!=nil &&[f isKindOfClass:[NSDictionary class]])
 
#define ValidArray(f)(f!=nil &&[f isKindOfClass:[NSArray class]]&&[f count]>0)
 
#define ValidNum(f)(f!=nil &&[f isKindOfClass:[NSNumber class]])
 
#define ValidClass(f,cls)(f!=nil &&[f isKindOfClass:[cls class]])
 
#define ValidData(f)(f!=nil &&[f isKindOfClass:[NSData class]])
 
//获取一段时间间隔
#define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
 
#define kEndTimeNSLog(@"Time: %f",CFAbsoluteTimeGetCurrent()- start)
 
//打印当前方法名
#define ITTDPRINTMETHODNAME()ITTDPRINT(@"%s",__PRETTY_FUNCTION__)
 
//GCD
#define kDISPATCH_ASYNC_BLOCK(block)dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0),block)
 
#define kDISPATCH_MAIN_BLOCK(block)dispatch_async(dispatch_get_main_queue(),block)
 
//GCD -一次性执行
#define kDISPATCH_ONCE_BLOCK(onceBlock)static dispatch_once_t onceToken;dispatch_once(&onceToken,onceBlock);
 
//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;\ 
}
 
#endif /* define_h */