//字符串是否为空
#definekStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] <1? YES : NO )
//数组是否为空
#definekArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count ==0)
//字典是否为空
#definekDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys ==0)
//是否是空对象
#definekObjectIsEmpty(_object) (_object == nil \|| [_object isKindOfClass:[NSNull class]] \|| ([_object respondsToSelector:@selector(length)] && [(NSData *)_object length] ==0) \|| ([_object respondsToSelector:@selector(count)] && [(NSArray *)_object count] ==0))
//获取屏幕宽度与高度
#definekScreenWidth \([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.width)
#definekScreenHeight \([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.height)
#definekScreenSize \([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? CGSizeMake([UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale,[UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale) : [UIScreen mainScreen].bounds.size)
//一些缩写
#definekApplication [UIApplication sharedApplication]
#definekKeyWindow [UIApplication sharedApplication].keyWindow
#definekAppDelegate [UIApplication sharedApplication].delegate#definekUserDefaults [NSUserDefaults standardUserDefaults]
#definekNotificationCenter [NSNotificationCenter defaultCenter]
//APP版本号
#definekAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]
//系统版本号
#definekSystemVersion [[UIDevice currentDevice] systemVersion]
//获取当前语言
#definekCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
//判断是否为iPhone
#definekISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
//判断是否为iPad
#definekISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
//获取沙盒Document路径
#definekDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]
//获取沙盒temp路径
#definekTempPath NSTemporaryDirectory()
//获取沙盒Cache路径
#definekCachePath [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject]
//判断是真机还是模拟器
#ifTARGET_OS_IPHONE
//真机
#endif
#ifTARGET_IPHONE_SIMULATOR
//模拟器#endif//开发的时候打印，但是发布的时候不打印的NSLog
#ifdefDEBUG
#define
NSLog(...) NSLog(@"%s 第%d行 \n %@\n\n",__func__,__LINE__,[NSString stringWithFormat:__VA_ARGS__])
#else#defineNSLog(...)
#endif
//颜色
#definekRGBColor(r, g, b) [UIColor colorWithRed:(r)/255.0green:(g)/255.0blue:(b)/255.0alpha:1.0]
#definekRGBAColor(r, g, b, a) [UIColor colorWithRed:(r)/255.0green:(r)/255.0blue:(r)/255.0alpha:a]#definekRandomColor KRGBColor(arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0)
#definekColorWithHex(rgbValue) \[UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16)) /255.0\green:((float)((rgbValue &0xFF00) >>8)) /255.0\blue:((float)(rgbValue &0xFF)) /255.0alpha:1.0]
//弱引用/强引用
#definekWeakSelf(type) __weak typeof(type) weak
##type = type;
#definekStrongSelf(type) __strong typeof(type) type = weak
##type;
//由角度转换弧度
#definekDegreesToRadian(x) (M_PI * (x) /180.0)
//由弧度转换角度
#definekRadianToDegrees(radian) (radian *180.0) / (M_PI)//获取一段时间间隔#definekStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
#definekEndTime NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)
