总结了iOS开发过程中的一些常用宏，以后会陆陆续续添加进来。
字符串是否为空
#define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO )```
######数组是否为空
define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0)
######字典是否为空
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
define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]
######系统版本号
define kSystemVersion [[UIDevice currentDevice] systemVersion]
######获取当前语言
define kCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
######判断是否为iPhone
define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
######判断是否为iPad
define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
######获取沙盒Document路径
define kDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]
######获取沙盒temp路径
define kTempPath NSTemporaryDirectory()
######获取沙盒Cache路径
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
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
define kDegreesToRadian(x) (M_PI * (x) / 180.0)
######由弧度转换角度
define kRadianToDegrees(radian) (radian * 180.0) / (M_PI)
######获取一段时间间隔
define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
define kEndTime NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)
######宏（指令）定义
ifndef MacroDefinition_h // 如果没定义
define MacroDefinition_h
######获取设备尺寸大小
define NavigationBar_HEIGHT 44 // NavBar高度
// 获取屏幕 宽度、高度
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
#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
define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", PRETTY_FUNCTION)
####系统
- 是否iPad
define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
- 是否iPad
define someThing (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)? ipad: iphone
- 获取系统版本
define IOS_VERSION ［[UIDevice currentDevice] systemVersion] floatValue]
define CurrentSystemVersion ［UIDevice currentDevice] systemVersion]
- 获取当前语言
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
define IOS7 (［[UIDevice currentDevice].systemVersion doubleValue] >= 7.0]
- 判断当前设备是不是iphone5
define kScreenIphone5 ((［UIScreen mainScreen] bounds].size.height)>=568)
- 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
- 释放一个对象
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
define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:［NSBundle mainBundle]pathForResource:file ofType:ext］
- 定义UIImage对象
define IMAGE(A) [UIImage imageWithContentsOfFile:［NSBundle mainBundle] pathForResource:A ofType:nil］
- 定义UIImage对象
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）
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
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
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)]
####其他
- 方正黑体简体字体定义
define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]
- 设置View的tag属性
define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag : _TAG]
- 程序的本地化,引用国际化的文件
define MyLocal(x, ...) NSLocalizedString(x, nil)
- GCD
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 实例化
define USER_DEFAULT [NSUserDefaults standardUserDefaults]
