1.UI元素
//NavBar高度#defineNAVIGATIONBAR_HEIGHT 44//StatusBar高度#defineSTATUSBAR_HEIGHT 20//获取屏幕 宽度、高度#defineSCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#defineSCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)//内容视图高度#defineCONTENT_HEIGHT (SCREEN_HEIGHT - NAVIGATIONBAR_HEIGHT - STATUSBAR_HEIGHT)//KWindow#defineKWINDOW [UIApplication sharedApplication].keyWindow//屏幕分辨率#defineSCREEN_RESOLUTION (SCREEN_WIDTH * SCREEN_HEIGHT * ([UIScreen mainScreen].scale))//状态栏 ＋ 导航栏 高度#defineSTATUS_AND_NAVIGATION_HEIGHT ((STATUSBAR_HEIGHT) + (NAVIGATIONBAR_HEIGHT))
2.Log
//(在系统Log基础之上，加入自定义的相关信息)#define NSLog(format, ...) do { \fprintf(stderr,"<%s : %d> %s\n", \[[[NSStringstringWithUTF8String:__FILE__] lastPathComponent] UTF8String], \__LINE__, __func__); \(NSLog)((format),##__VA_ARGS__); \fprintf(stderr,"-------\n"); \}while(0)
3.系统
//获取当前系统版本#defineIOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]#defineCurrentSystemVersion [[UIDevice currentDevice] systemVersion]//获取当前系统语言#defineCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])//判断是不是真机#ifTARGET_OS_IPHONE//iPhone Device#endif//判断是不是模拟器#ifTARGET_IPHONE_SIMULATOR//iPhone Simulator#endif//是否在ARC环境下#if__has_feature(objc_arc)//compiling with ARC#else//compiling without ARC#endif//判断是否为iPhone#defineIS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)//判断是否为iPad#defineIS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)//判断是否为ipod#defineIS_IPOD ([[[UIDevice currentDevice] model] isEqualToString:@"iPod touch"])//判断是否为iPhone 5(S)(E)#defineiPhone5SE [[UIScreen mainScreen] bounds].size.width == 320.0f &&[[UIScreen mainScreen] bounds].size.height == 568.0f//判断是否为iPhone 6/6s#defineiPhone6_6s [[UIScreen mainScreen] bounds].size.width == 375.0f &&[[UIScreen mainScreen] bounds].size.height == 667.0f//判断是否为iPhone 6Plus/6sPlus#defineiPhone6Plus_6sPlus [[UIScreen mainScreen] bounds].size.width == 414.0f && [[UIScreen mainScreen] bounds].size.height == 736.0f//判断 iOS 或更高的系统版本#defineIOS_VERSION_6_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=6.0)? (YES):(NO))#defineIOS_VERSION_7_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=7.0)? (YES):(NO))#defineIOS_VERSION_8_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=8.0)? (YES):(NO))#defineIOS_VERSION_9_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=9.0)? (YES):(NO))#defineIOS_VERSION_10_OR_LATER (([[[UIDevice currentDevice] systemVersion] floatValue]>=10.0)? (YES):(NO))//系统版本工具#defineSYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)#defineSYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)#defineSYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)#defineSYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)#defineSYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)//检测是否是竖屏状态#defineIsPortrait ([UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortrait || [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown)
4.颜色类
//带有RGBA的颜色设置#defineCOLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]//设置随机颜色(调试时候很有用)#defineRandomColor [UIColor colorWithRed:arc4random_uniform(256)/255.0 green:arc4random_uniform(256)/255.0 blue:arc4random_uniform(256)/255.0 alpha:1.0]//16进制颜色#defineRGB16Color(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
5.通知
//获取通知中心#defineNotificationCenter [NSNotificationCenter defaultCenter]//快速发通知#definePost_Notify(_notificationName, _obj, _userInfoDictionary) [[NSNotificationCenter defaultCenter] postNotificationName: _notificationName object: _obj userInfo: _userInfoDictionary];//添加观察者#defineAdd_Observer(_notificationName, _observer, _observerSelector, _obj) [[NSNotificationCenter defaultCenter] addObserver:_observer selector:@selector(_observerSelector) name:_notificationName object: _obj];//移除观察者#defineRemove_Observer(_observer) [[NSNotificationCenter defaultCenter] removeObserver: _observer];
6.数据存储
//NSUserDefaults 实例化#defineUSER_DEFAULT [NSUserDefaults standardUserDefaults]//获取temp#definekPathTemp NSTemporaryDirectory()//获取沙盒Document#definekPathDocument [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES) firstObject]//获取沙盒Cache#definekPathCache [NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask, YES) firstObject]
7.单例模式
#define SingleH(name) +(instancetype)share##name;#if __has_feature(objc_arc)//条件满足 ARC#define SingleM(name) static id _instance;\+(instancetype)allocWithZone:(struct_NSZone *)zone\{\staticdispatch_once_tonceToken;\dispatch_once(&onceToken, ^{\_instance = [superallocWithZone:zone];\});\\return_instance;\}\\+(instancetype)share##name\{\return[[selfalloc]init];\}\\-(id)copyWithZone:(NSZone*)zone\{\return_instance;\}\\-(id)mutableCopyWithZone:(NSZone*)zone\{\return_instance;\}#else//MRC#define SingleM(name) static id _instance;\+(instancetype)allocWithZone:(struct_NSZone *)zone\{\staticdispatch_once_tonceToken;\dispatch_once(&onceToken, ^{\_instance = [superallocWithZone:zone];\});\\return_instance;\}\\+(instancetype)share##name\{\return[[selfalloc]init];\}\\-(id)copyWithZone:(NSZone*)zone\{\return_instance;\}\\-(id)mutableCopyWithZone:(NSZone*)zone\{\return_instance;\}\-(onewayvoid)release\{\}\\-(instancetype)retain\{\return_instance;\}\\-(NSUInteger)retainCount\{\returnMAXFLOAT;\}#endif
8.时间
//获取系统时间戳#defineCurentTime [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]
9.权限
//获取相机权限状态#defineCameraStatus [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo]#defineCameraDenied ((CameraStatus == AVAuthorizationStatusRestricted)||(CameraStatus == AVAuthorizationStatusDenied))#defineCameraAllowed (!CameraDenyed)/** 定位权限*/#defineLocationStatus [CLLocationManager authorizationStatus];#defineLocationAllowed ([CLLocationManager locationServicesEnabled] && !((status == kCLAuthorizationStatusDenied) || (status == kCLAuthorizationStatusRestricted)))#defineLocationDenied (!LocationAllowed)/** 消息推送权限*/#definePushClose (([[UIDevice currentDevice].systemVersion floatValue]>=8.0f)?(UIUserNotificationTypeNone == [[UIApplication sharedApplication] currentUserNotificationSettings].types):(UIRemoteNotificationTypeNone == [[UIApplication sharedApplication] enabledRemoteNotificationTypes]))#definePushOpen (!PushClose)
10.本地文件加载
#defineLoadImage(file,type)[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:fileofType:type]]#defineLoadArray(file,type)[NSArray arrayWithContentsOfFile:[[NSBundle mainBundle]pathForResource:fileofType:type]]#defineLoadDict(file,type)[NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle]pathForResource:fileofType:type]]
11.Block
//弱引用#defineWeakWithNameAndObject(obj,name) __weak typeof(obj) weak##name = obj//强引用#defineStrongWithNameAndObject(obj,name) __strong typeof(obj) strong##name = obj
原文链接：https://www.jianshu.com/p/0d380a1eff33/