常用宏

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#define NavigationBar_HEIGHT 44

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

//读取本地图片的 和imageNamed一样，但是性能比后者要强很多，两个参数，前面一个是 文件名，后面一个是类型

//例如

imageView.image =  LOADIMAGE(@"文件名",@"png”);

#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)

#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)

#define SAFE_RELEASE(x) [x release];x=nil

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]

#define CurrentSystemVersion ([[UIDevice currentDevice] systemVersion])

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

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

//use dlog to print while in debug model

#ifdef DEBUG

#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);

#else

#   define DLog(...)

#endif

#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)

#if TARGET_OS_IPHONE

//iPhone Device

#endif

#if TARGET_IPHONE_SIMULATOR

//iPhone Simulator

#endif

//ARC

#if __has_feature(objc_arc)

//compiling with ARC

#else

// compiling without ARC

#endif

//G－C－D

#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)

#define USER_DEFAULT [NSUserDefaults standardUserDefaults]

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

#pragma mark - common functions

#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }

#pragma mark - degrees/radian functions

#define degreesToRadian(x) (M_PI * (x) / 180.0)

#define radianToDegrees(radian) (radian*180.0)/(M_PI)

#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)]

#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

#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

// Prints the current method‘s name.

#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)

#define _po(o) DLOG(@"%@", (o))

#define _pn(o) DLOG(@"%d", (o))

#define _pf(o) DLOG(@"%f", (o))

#define _ps(o) DLOG(@"CGSize: {%.0f, %.0f}", (o).width, (o).height)

#define _pr(o) DLOG(@"NSRect: {{%.0f, %.0f}, {%.0f, %.0f}}", (o).origin.x, (o).origin.x, (o).size.width, (o).size.height)

#define DOBJ(obj)  DLOG(@"%s: %@", #obj, [(obj) description])

#define MARK    NSLog(@"\nMARK: %s, %d", __PRETTY_FUNCTION__, __LINE__)

#pragma mark - 设备类型

#define kiPhone4     ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)

#define kiPhone5     ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

#define kiPhone6     ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) : NO)

#define kiPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) : NO)

#pragma mark - 设备信息

#define kIOS_VERSION    [[[UIDevice currentDevice] systemVersion] floatValue]

#define kDEVICE_MODEL   [[UIDevice currentDevice] model]

#define kIS_IPAD        ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)

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

#define kAPP_NAME            [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleDisplayName"]

#define kAPP_VERSION         [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]

#define kAPP_SUB_VERSION     [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]

#define kUDeviceIdentifier   [[UIDevice currentDevice] uniqueDeviceIdentifier]

#pragma mark - 常用宏定义

#define kWS(weakSelf)          __weak __typeof(&*self)weakSelf = self;

#define kSCREEN_WIDTH          ([UIScreen mainScreen].bounds.size.width)

#define kSCREEN_HEIGHT         ([UIScreen mainScreen].bounds.size.height)

#define kUSER_DEFAULT          [NSUserDefaults standardUserDefaults]

#define kNOTIFICATION_DEFAULT  [NSNotificationCenter defaultCenter]

#define kIMAGENAMED(_pointer)  [UIImage imageNamed:[UIUtil imageName:_pointer]]

#define kLOADIMAGE(file,ext)   [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]

#define kScreenWidthScaleSize           (MIN(SCREEN_WIDTH,SCREEN_HEIGHT)/320.0)

#define kScreenWidthScaleSizeByIphone6  (MIN(SCREEN_WIDTH,SCREEN_HEIGHT)/375.0)

#define kDegreesToRadian(x)         (M_PI * (x) / 180.0)

#define kRadianToDegrees(radian)    (radian*180.0)/(M_PI)

#pragma mark - ios版本判断

#define kIOS5_OR_LATER   ( [[[UIDevice currentDevice] systemVersion] compare:@"5.0"] != NSOrderedAscending )

#define kIOS6_OR_LATER   ( [[[UIDevice currentDevice] systemVersion] compare:@"6.0"] != NSOrderedAscending )

#define kIOS7_OR_LATER   ( [[[UIDevice currentDevice] systemVersion] compare:@"7.0"] != NSOrderedAscending )

#define kIOS8_OR_LATER   ( [[[UIDevice currentDevice] systemVersion] compare:@"8.0"] != NSOrderedAscending )

#pragma mark - 是否为空或是[NSNull null]

#define kNotNilAndNull(_ref)  (((_ref) != nil) && (![(_ref) isEqual:[NSNull null]]))

#define kIsNilOrNull(_ref)   (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]))

#pragma mark - 图片资源获取

#define kIMGFROMBUNDLE( X )     [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:X ofType:@""]]

#define kIMGNAMED( X )         [UIImage imageNamed:X]

#pragma mark - 颜色

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

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

#pragma mark - 定义字号

#define kFONT_TITLE(X)     [UIFont systemFontSize:X]

#define kFONT_CONTENT(X)   [UIFont systemFontSize:X]

#pragma mark - 其他

#define BINDVIEWWIDTH        (ScreenBounds.size.width * 290.0 / 320.0)

#endif

常用宏

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原文地址：http://www.cnblogs.com/modaoyicheng/p/4828888.html