收集起来，丢到一个头文件中，这样开发起来就快多啦！我先分享一些，大家可以拿出自己私藏的，盖楼，吼吼～
各种收集，网络，自己写的，别人写的都有，纯学习用，如有冒犯，请不要找我麻烦哈～
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#define NavigationBar_HEIGHT 44#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(@"
MARK: %s, %d", __PRETTY_FUNCTION__, __LINE__) |
转自：http://www.cocoachina.com/bbs/read.php?tid=137317