iOS開發(fā)過程中使用一些常用的宏可以提高開發(fā)效率，提高代碼的重用性轴脐；將這些宏放到一個頭文件里然后再放到工程中的-Prefix.pch文件中(或者直接放到-Prefix.pch中)直接可以使用,灰常方便届榄。
本文整理自http://www.cocoachina.com/applenews/devnews/2013/0328/5907.html匀哄。
做了一些分類和注釋,可以根據(jù)自己習(xí)慣再添加或者刪除或者修改這些宏進(jìn)行使用。
//??MacroDefinition.h
//??MacroDefinitionDemo
#ifndef?MacroDefinition_h
#define?MacroDefinition_h
//-------------------獲取設(shè)備大小-------------------------
//NavBar高度
#define?NavigationBar_HEIGHT?44
//獲取屏幕?寬度抱究、高度
#define?SCREEN_WIDTH?([UIScreen?mainScreen].bounds.size.width)
#define?SCREEN_HEIGHT?([UIScreen?mainScreen].bounds.size.height)
//-------------------獲取設(shè)備大小-------------------------
//-------------------打印日志-------------------------
//DEBUG??模式下打印日志,當(dāng)前行
#ifdef?DEBUG
#???define?DLog(fmt,?...)?NSLog((@"%s?[Line?%d]?"?fmt),?__PRETTY_FUNCTION__,?__LINE__,?##__VA_ARGS__);
#else
#???define?DLog(...)
#endif
//重寫NSLog,Debug模式下打印日志和當(dāng)前行數(shù)
#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,當(dāng)前行?并彈出一個警告
#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
#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)
//---------------------打印日志--------------------------
//----------------------系統(tǒng)----------------------------
//獲取系統(tǒng)版本
#define?IOS_VERSION?[[[UIDevice?currentDevice]?systemVersion]?floatValue]
#define?CurrentSystemVersion?[[UIDevice?currentDevice]?systemVersion]
//獲取當(dāng)前語言
#define?CurrentLanguage?([[NSLocale?preferredLanguages]?objectAtIndex:0])
//判斷是否?Retina屏恢氯、設(shè)備是否%fhone?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)
//判斷是真機(jī)還是模擬器
#if?TARGET_OS_IPHONE
//iPhone?Device
#endif
#if?TARGET_IPHONE_SIMULATOR
//iPhone?Simulator
#endif
//檢查系統(tǒng)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)
//----------------------系統(tǒng)----------------------------
//----------------------內(nèi)存----------------------------
//使用ARC和不使用ARC
#if?__has_feature(objc_arc)
//compiling?with?ARC
#else
//?compiling?without?ARC
#endif
#pragma?mark?-?common?functions
#define?RELEASE_SAFELY(__POINTER)?{?[__POINTER?release];?__POINTER?=?nil;?}
//釋放一個對象
#define?SAFE_DELETE(P)?if(P)?{?[P?release],?P?=?nil;?}
#define?SAFE_RELEASE(x)?[x?release];x=nil
//----------------------內(nèi)存----------------------------
//----------------------圖片----------------------------
//讀取本地圖片
#define?LOADIMAGE(file,ext)?[UIImage?imageWithContentsOfFile:[[NSBundle?mainBundle]pathForResource:file?ofType:ext]]
//定義UIImage對象
#define?IMAGE(A)?[UIImage?imageWithContentsOfFile:[[NSBundle?mainBundle]?pathForResource:A?ofType:nil]]
//定義UIImage對象
#define?ImageNamed(_pointer)?[UIImage?imageNamed:[UIUtil?imageName:_pointer]]
//建議使用前兩種宏定義,性能高于后者
//----------------------圖片----------------------------
//----------------------顏色類---------------------------
//?rgb顏色轉(zhuǎn)換（16進(jìn)制->10進(jìn)制）
#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]
//帶有RGBA的顏色設(shè)置
#define?COLOR(R,?G,?B,?A)?[UIColor?colorWithRed:R/255.0?green:G/255.0?blue:B/255.0?alpha:A]
//?獲取RGB顏色
#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
#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)]
//----------------------顏色類--------------------------
//----------------------其他----------------------------
//方正黑體簡體字體定義
#define?FONT(F)?[UIFont?fontWithName:@"FZHTJW--GB1-0"?size:F]
//定義一個API
#define?APIURL????????????????@"http://xxxxx/"
//登陸API
#define?APILogin??????????????[APIURL?stringByAppendingString:@"Login"]
//設(shè)置View的tag屬性
#define?VIEWWITHTAG(_OBJECT,?_TAG)????[_OBJECT?viewWithTag?:?_TAG]
//程序的本地化,引用國際化的文件
#define?MyLocal(x,?...)?NSLocalizedString(x,?nil)
//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)
//NSUserDefaults?實(shí)例化
#define?USER_DEFAULT?[NSUserDefaults?standardUserDefaults]
//由角度獲取弧度?有弧度獲取角度
#define?degreesToRadian(x)?(M_PI?*?(x)?/?180.0)
#define?radianToDegrees(radian)?(radian*180.0)/(M_PI)
//單例化一個類
#define?SYNTHESIZE_SINGLETON_FOR_CLASS(classname)?\
\
staticclassname?*shared##classname?=?nil;?\
\
+?(classname?*)shared##classname?\
{?\
@synchronized(self)?\
{?\
if(shared##classname?==?nil)?\
{?\
shared##classname?=?[[self?alloc]?init];?\
}?\
}?\
\
returnshared##classname;?\
}?\
\
+?(id)allocWithZone:(NSZone?*)zone?\
{?\
@synchronized(self)?\
{?\
if(shared##classname?==?nil)?\
{?\
shared##classname?=?[super?allocWithZone:zone];?\
returnshared##classname;?\
}?\
}?\
\
returnnil;?\
}?\
\
-?(id)copyWithZone:(NSZone?*)zone?\
{?\
returnself;?\
}
#endif
MacroDefinition.h ?下載地址:https://github.com/XFZLDXF/Macro
CSDN下載:http://download.csdn.net/detail/duxinfeng2010/5555367
