iOS常用的宏定义总结

作者: 幕悠萧寂寂
来源: 51数据库
2021-08-07

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字符串是否为空

1	`??#define?kStringIsEmpty(str)?([str?isKindOfClass:[NSNull?class]]?\|\|?str?==?nil?\|\|?[str?length]?<?1???YES?:?NO?)`

数组是否为空

1	`??#define?kArrayIsEmpty(array)?(array?==?nil?\|\|?[array?isKindOfClass:[NSNull?class]]?\|\|?array.count?==?0)`

字典是否为空

1	`??#define?kDictIsEmpty(dic)?(dic?==?nil?\|\|?[dic?isKindOfClass:[NSNull?class]]?\|\|?dic.allKeys?==?0)`

是否是空对象

??#define?kObjectIsEmpty(_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 ( " \ ":连接行标志，连接上下两行 )

??#define?kScreenWidth?\

??([[UIScreen?mainScreen]?respondsToSelector:@selector(nativeBounds)]???[UIScreen?mainScreen].nativeBounds.size.width/[UIScreen?mainScreen].nativeScale?:?[UIScreen?mainScreen].bounds.size.width)

??#define?kScreenHeight?\

??([[UIScreen?mainScreen]?respondsToSelector:@selector(nativeBounds)]???[UIScreen?mainScreen].nativeBounds.size.height/[UIScreen?mainScreen].nativeScale?:?[UIScreen?mainScreen].bounds.size.height)

??#define?kScreenSize?\

??([[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)

一些常用的缩写

??#define?kApplication????????[UIApplication?sharedApplication]

??#define?kKeyWindow??????????[UIApplication?sharedApplication].keyWindow

??#define?kAppDelegate????????[UIApplication?sharedApplication].delegate

??#define?kUserDefaults??????[NSUserDefaults?standardUserDefaults]

??#define?kNotificationCenter?[NSNotificationCenter?defaultCenter]

APP版本号

1	`??#define?kAppVersion?[[[NSBundle?mainBundle]?infoDictionary]?objectForKey:@"CFBundleShortVersionString"]`

系统版本号

1	`??#define?kSystemVersion?[[UIDevice?currentDevice]?systemVersion]`

获取当前语言

1	`??#define?kCurrentLanguage?([[NSLocale?preferredLanguages]?objectAtIndex:0])`

判断是否为iPhone

1	`??#define?kISiPhone?(UI_USER_INTERFACE_IDIOM()?==?UIUserInterfaceIdiomPhone)`

判断是否为iPad

1	`??#define?kISiPad?(UI_USER_INTERFACE_IDIOM()?==?UIUserInterfaceIdiomPad)`

获取沙盒Document路径

1	`??#define?kDocumentPath?[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,?NSUserDomainMask,?YES)?firstObject]`

获取沙盒temp路径

1	`??#define?kTempPath?NSTemporaryDirectory()`

获取沙盒Cache路径

1	`??#define?kCachePath?[NSSearchPathForDirectoriesInDomains(NSCachesDirectory,?NSUserDomainMask,?YES)?firstObject]`

判断是真机还是模拟器

??#if?TARGET_OS_IPHONE

??//真机

??#endif

??#if?TARGET_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

??#ifdef?DEBUG

??#define?NSLog(...)?NSLog(@"%s?第%d行?\n?%@\n\n",__func__,__LINE__,[NSString?stringWithFormat:__VA_ARGS__])

??#else

???#define?NSLog(...)

???#endif

颜色

??#define?kRGBColor(r,?g,?b)????[UIColor?colorWithRed:(r)/255.0?green:(g)/255.0?blue:(b)/255.0?alpha:1.0]

??#define?kRGBAColor(r,?g,?b,?a)?[UIColor?colorWithRed:(r)/255.0?green:(r)/255.0?blue:(r)/255.0?alpha:a]

??#define?kRandomColor????KRGBColor(arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0)????????//随机色生成

??#define?kColorWithHex(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]

弱引用/强引用

1 2	`??#define?kWeakSelf(type)??__weak?typeof(type)?weak##type?=?type;` `??#define?kStrongSelf(type)?__strong?typeof(type)?type?=?weak##type;`

由角度转换弧度

1	`??#define?kDegreesToRadian(x)??????(M_PI?*?(x)?/?180.0)`

由弧度转换角度

1	`??#define?kRadianToDegrees(radian)?(radian?*?180.0)?/?(M_PI)`

获取一段时间间隔

1 2	`??#define?kStartTime?CFAbsoluteTime?start?=?CFAbsoluteTimeGetCurrent();` `??#define?kEndTime??NSLog(@"Time:?%f",?CFAbsoluteTimeGetCurrent()?-?start)`

宏（指令）定义

1 2	`#ifndef?MacroDefinition_h??????//?如果没定义` `#define?MacroDefinition_h`

获取设备尺寸大小

NavBar高度

1	`??#define?NavigationBar_HEIGHT?44`

获取屏幕宽度、高度

1 2	`??#define?SCREEN_WIDTH?([UIScreen?mainScreen].bounds.size.width)` `??#define?SCREEN_HEIGHT?([UIScreen?mainScreen].bounds.size.height)`

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

重写NSLog,Debug模式下打印日志和当前行数

??#if?DEBUG

??#define?NSLog(FORMAT,?...)?fprintf(stderr,"\nfunction:%s?line:%d?content:%s\n",?__FUNCTION__,?__LINE__,?［NSString?stringWithFormat:FORMAT,?##__VA_ARGS__]?UTF8String]);

??#else

??#define?NSLog(FORMAT,?...)?nil

??#endif

DEBUG 模式下打印日志,当前行并弹出一个警告

#ifdef?DEBUG

??#??define?ULog(fmt,?...)??{?UIAlertView?*alert?=?［UIAlertView?alloc]?initWithTitle:[NSString?stringWithFormat:

??@"%s\n?[Line?%d]?",?__PRETTY_FUNCTION__,?__LINE__]?message:[NSString?stringWithFormat:fmt,?##__VA_ARGS__]??

??delegate:nil?cancelButtonTitle:@"Ok"?otherButtonTitles:nil];?[alert?show];?}

??#else

??#??define?ULog(...)

??#endif

????#define?ITTDEBUG

????#define?ITTLOGLEVEL_INFO????10

????#define?ITTLOGLEVEL_WARNING??3

????#define?ITTLOGLEVEL_ERROR????1

????#ifndef?ITTMAXLOGLEVEL

????#ifdef?DEBUG

????#define?ITTMAXLOGLEVEL?ITTLOGLEVEL_INFO

????#else

????#define?ITTMAXLOGLEVEL?ITTLOGLEVEL_ERROR

????#endif

The general purpose logger. This ignores logging levels.

??#ifdef?ITTDEBUG

??#define?ITTDPRINT(xx,?...)??NSLog(@"%s(%d):?"?xx,?__PRETTY_FUNCTION__,?__LINE__,?##__VA_ARGS__)

??#else

??#define?ITTDPRINT(xx,?...)??((void)0)

??#endif

打印当前方法的名称

1	`??#define?ITTDPRINTMETHODNAME()?ITTDPRINT(@"%s",?__PRETTY_FUNCTION__)`

Log-level based logging macros.

??#if?ITTLOGLEVEL_ERROR?<=?ITTMAXLOGLEVEL

??#define?ITTDERROR(xx,?...)??ITTDPRINT(xx,?##__VA_ARGS__)

??#else

??#define?ITTDERROR(xx,?...)??((void)0)

??#endif

??#if?ITTLOGLEVEL_WARNING?<=?ITTMAXLOGLEVEL

??#define?ITTDWARNING(xx,?...)??ITTDPRINT(xx,?##__VA_ARGS__)

??#else

??#define?ITTDWARNING(xx,?...)??((void)0)

??#endif

??#if?ITTLOGLEVEL_INFO?<=?ITTMAXLOGLEVEL

??#define?ITTDINFO(xx,?...)??ITTDPRINT(xx,?##__VA_ARGS__)

??#else

??#define?ITTDINFO(xx,?...)??((void)0)

??#endif

??#ifdef?ITTDEBUG

??#define?ITTDCONDITIONLOG(condition,?xx,?...)?{?if?((condition))?{?\

???ITTDPRINT(xx,?##__VA_ARGS__);?\

??}?\

??}?((void)0)

??#else

??#define?ITTDCONDITIONLOG(condition,?xx,?...)?((void)0)

??#endif

??#define?ITTAssert(condition,?...)??????????????????????????????????????\

??do?{??????????????????????????????????????????????????????????????????????\

??if?(!(condition))?{????????????????????????????????????????????????????\

??［NSAssertionHandler?currentHandler]??????????????????????????????????\

??handleFailureInFunction:[NSString?????????????????stringWithUTF8String:__PRETTY_FUNCTION__]?\

??file:[NSString?stringWithUTF8String:__FILE__]??\

??lineNumber:__LINE__??????????????????????????????????\

??description:__VA_ARGS__];????????????????????????????\

??}??????????????????????????????????????????????????????????????????????\

??}?while(0)

系统

是否iPad

1	`?#define?isPad?(UI_USER_INTERFACE_IDIOM()?==?UIUserInterfaceIdiomPad)`

是否iPad

1	`?#define?someThing?(UI_USER_INTERFACE_IDIOM()?==?UIUserInterfaceIdiomPad)??ipad:?iphone`

获取系统版本

1 2	`??#define?IOS_VERSION?［[UIDevice?currentDevice]?systemVersion]?floatValue]` `??#define?CurrentSystemVersion?［UIDevice?currentDevice]?systemVersion]`

获取当前语言

1	`??#define?CurrentLanguage?(［NSLocale?preferredLanguages]?objectAtIndex:0])`

判断是否 Retina屏、设备是否为iPone 5、是否是iPad

??#define?isRetina?([UIScreen?instancesRespondToSelector:@selector(currentMode)]???CGSizeEqualToSize(CGSizeMake(640,?960),?［UIScreen?mainScreen]?currentMode].size)?:?NO)

??#define?iPhone5?([UIScreen?instancesRespondToSelector:@selector(currentMode)]???CGSizeEqualToSize(CGSizeMake(640,?1136),?［UIScreen?mainScreen]?currentMode].size)?:?NO)

??#define?isPad?(UI_USER_INTERFACE_IDIOM()?==?UIUserInterfaceIdiomPad)

判断设备的操做系统是不是ios7

1	`??#define?IOS7?(［[UIDevice?currentDevice].systemVersion?doubleValue]?>=?7.0]`

判断当前设备是不是iphone5

1	`??#define?kScreenIphone5????((［UIScreen?mainScreen]?bounds].size.height)>=568)`

获取当前屏幕的高度

1	`??#define?kMainScreenHeight?([UIScreen?mainScreen].applicationFrame.size.height)`

获取当前屏幕的宽度

1	`??#define?kMainScreenWidth??([UIScreen?mainScreen].applicationFrame.size.width)`

定义一个define函数

1	`??#define?TT_RELEASE_CF_SAFELY(__REF)?{?if?(nil?!=?(__REF))?{?CFRelease(__REF);?__REF?=?nil;?}?}`

判断是真机还是模拟器

??#if?TARGET_OS_IPHONE???????????????????????????//iPhone?Device

??#endif

????#if?TARGET_IPHONE_SIMULATOR??????????//iPhone?Simulator

????#endif

检查系统版本

??#define?SYSTEM_VERSION_EQUAL_TO(v)??????????????????(［[UIDevice?currentDevice]?systemVersion]?compare:v?options:NSNumericSearch]?==?NSOrderedSame)

??#define?SYSTEM_VERSION_GREATER_THAN(v)??????????????(［[UIDevice?currentDevice]?systemVersion]?compare:v?options:NSNumericSearch]?==?NSOrderedDescending)

??#define?SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)??(［[UIDevice?currentDevice]?systemVersion]?compare:v?options:NSNumericSearch]?!=?NSOrderedAscending)

??#define?SYSTEM_VERSION_LESS_THAN(v)????????????????(［[UIDevice?currentDevice]?systemVersion]?compare:v?options:NSNumericSearch]?==?NSOrderedAscending)

??#define?SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)????(［[UIDevice?currentDevice]?systemVersion]?compare:v?options:NSNumericSearch]?!=?NSOrderedDescending)

内存

使用ARC和不使用ARC

??#if?__has_feature(objc_arc)

??//compiling?with?ARC

??#else

??//?compiling?without?ARC

??#endif

1 2	`????#pragma?mark?-?common?functions` `????#define?RELEASE_SAFELY(__POINTER)?{?[__POINTER?release];?__POINTER?=?nil;?}`

释放一个对象

1 2	`??#define?SAFE_DELETE(P)?if(P)?{?[P?release],?P?=?nil;?}` `??#define?SAFE_RELEASE(x)?[x?release];x=nil`

图片

读取本地图片

1	`??#define?LOADIMAGE(file,ext)?[UIImage?imageWithContentsOfFile:［NSBundle?mainBundle]pathForResource:file?ofType:ext］`

定义UIImage对象

1	`??#define?IMAGE(A)?[UIImage?imageWithContentsOfFile:［NSBundle?mainBundle]?pathForResource:A?ofType:nil］`

定义UIImage对象

1	`??#define?ImageNamed(_pointer)?[UIImage?imageNamed:[UIUtil?imageName:_pointer］`

//建议使用前两种宏定义,性能高于后者

颜色类

rgb颜色转换（16进制->10进制）

1	`?#define?UIColorFromRGB(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]`

带有RGBA的颜色设置

1	`??#define?COLOR(R,?G,?B,?A)?[UIColor?colorWithRed:R/255.0?green:G/255.0?blue:B/255.0?alpha:A]`

获取RGB颜色

1 2	`?#define?RGBA(r,g,b,a)?[UIColor?colorWithRed:r/255.0f?green:g/255.0f?blue:b/255.0f?alpha:a]` `?#define?RGB(r,g,b)?RGBA(r,g,b,1.0f)`

背景色

1	`??#define?BACKGROUND_COLOR?[UIColor?colorWithRed:242.0/255.0?green:236.0/255.0?blue:231.0/255.0?alpha:1.0]`

清除背景色

??#define?CLEARCOLOR?[UIColor?clearColor]

??#pragma?mark?-?color?functions

??#define?RGBCOLOR(r,g,b)?[UIColor?colorWithRed:(r)/255.0f?green:(g)/255.0f?blue:(b)/255.0f?alpha:1]

??#define?RGBACOLOR(r,g,b,a)?[UIColor?colorWithRed:(r)/255.0f?green:(g)/255.0f?blue:(b)/255.0f?alpha:(a)]

其他

方正黑体简体字体定义

1	`??#define?FONT(F)?[UIFont?fontWithName:@"FZHTJW--GB1-0"?size:F]`

定义一个API

1	`??#define?APIURL????????????????@"http://xxxxx/"`

登录API

1	`??#define?APILogin??????????????[APIURL?stringByAppendingString:@"Login"]`

设置View的tag属性

1	`??#define?VIEWWITHTAG(_OBJECT,?_TAG)????[_OBJECT?viewWithTag?:?_TAG]`

程序的本地化,引用国际化的文件

1	`??#define?MyLocal(x,?...)?NSLocalizedString(x,?nil)`

G－C－D

1 2	`??#define?BACK(block)?dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,?0),?block)` `??#define?MAIN(block)?dispatch_async(dispatch_get_main_queue(),block)`