iOS开发中，直接在pch文件里导入宏定义。

在做项目的时候，直接拿过来使用，能够大幅度提高开发速度。

以下是 个人总结的一些宏定义。

假设大家有其它的经常使用的宏定义。欢迎加入。我会定期更新这个blog…..

话不多说，直接上干货

// 在宏的參数前加上一个#。宏的參数会自己主动转换成c语言的字符串#define MRKeyPath(objc,keyPath) @(((void)objc.keyPath, #keyPath))//** 载入xib ***********************************************************************************#define LoadNib(x) [[NSBundle mainBundle] loadNibNamed:@(x) owner:nil options:nil][0]//** 沙盒路径 ***********************************************************************************#define PATH_OF_APP_HOME    NSHomeDirectory()#define PATH_OF_TEMP        NSTemporaryDirectory()#define PATH_OF_DOCUMENT    [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]//** DEBUG LOG *********************************************************************************#ifdef DEBUG#define MRLog( s, ... ) NSLog( @"< %@:(%d) > %@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )#else#define MRLog( s, ... )#endif//** 获得当前的 年 月 日 时 分 秒 *****************************************************************************#define  CurrentSec [[NSCalendar currentCalendar] component:NSCalendarUnitSecond fromDate:[NSDate date]]#define  CurrentMin [[NSCalendar currentCalendar] component:NSCalendarUnitMinute fromDate:[NSDate date]]#define  CurrentHour [[NSCalendar currentCalendar] component:NSCalendarUnitHour fromDate:[NSDate date]]#define  CurrentDay  [[NSCalendar currentCalendar] component:NSCalendarUnitDay fromDate:[NSDate date]]#define  CurrentMonth [[NSCalendar currentCalendar] component:NSCalendarUnitMonth fromDate:[NSDate date]]#define  CurrentYear [[NSCalendar currentCalendar] component:NSCalendarUnitYear fromDate:[NSDate date]]//** 角度转换成弧度 ******************************************************************************************#define  ANGEL(x) (x)/180.0 * M_PI//* Frame (宏 x, y, width, height)**************************************************************************// App Frame#define Application_Frame       [[UIScreen mainScreen] applicationFrame]// App Frame Height&Width#define App_Frame_Height        [[UIScreen mainScreen] applicationFrame].size.height#define App_Frame_Width         [[UIScreen mainScreen] applicationFrame].size.width// MainScreen Height&Width#define Main_Screen_Height      [[UIScreen mainScreen] bounds].size.height#define Main_Screen_Width       [[UIScreen mainScreen] bounds].size.width// View 坐标(x,y)和宽高(width,height)#define ViewxPos(v)                 (v).frame.origin.x#define ViewyPos(v)                 (v).frame.origin.y#define ViewWidth(v)                (v).frame.size.width#define ViewHeight(v)               (v).frame.size.height#define MinFrameX(v)                 CGRectGetMinX((v).frame)#define MinFrameY(v)                 CGRectGetMinY((v).frame)#define MidFrameX(v)                 CGRectGetMidX((v).frame)#define MidFrameY(v)                 CGRectGetMidY((v).frame)#define MaxFrameX(v)                 CGRectGetMaxX((v).frame)#define MaxFrameY(v)                 CGRectGetMaxY((v).frame)// 系统控件默认高度#define kStatusBarHeight        (20.f)#define kTopBarHeight           (44.f)#define kBottomBarHeight        (49.f)#define kCellDefaultHeight      (44.f)#define kEnglishKeyboardHeight  (216.f)#define kChineseKeyboardHeight  (252.f)/* ****************************************************************************************************************** */#pragma mark - Funtion Method (宏 方法)// PNG JPG 图片路径#define GetImagePathFromBundle(NAME)    [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:NAME] ofType:nil]#define GetExtPathFromBundle(NAME, EXT)         [[NSBundle mainBundle] pathForResource:(NAME) ofType:(EXT)]// 颜色(RGB)#define RgbColor(r, g, b)       [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1]#define RgbColor(r, g, b, a)    [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:(a)]#define RandomColor [UIColor colorWithRed:arc4random_uniform(256) / 255.0 green:arc4random_uniform(256) / 255.0 blue:arc4random_uniform(256) / 255.0 alpha:1]// View 圆角和加边框#define ViewBorderRadius(View, Radius, Width, Color)\                                [View.layer setCornerRadius:(Radius)];\                                [View.layer setMasksToBounds:YES];\                                [View.layer setBorderWidth:(Width)];\                                [View.layer setBorderColor:[Color CGColor]]// 当前版本号#define FSystemVersion          ([[[UIDevice currentDevice] systemVersion] floatValue])#define DSystemVersion          ([[[UIDevice currentDevice] systemVersion] doubleValue])#define SSystemVersion          ([[UIDevice currentDevice] systemVersion])// 当前语言#define CURRENTLANGUAGE         ([[NSLocale preferredLanguages] objectAtIndex:0])// 是否Retina屏#define isRetina                ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? \                                CGSizeEqualToSize(CGSizeMake(640, 960), \                                                  [[UIScreen mainScreen] currentMode].size) : \                                NO)// 是否iPhone5#define isiPhone5               ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? \                                CGSizeEqualToSize(CGSizeMake(640, 1136), \                                                  [[UIScreen mainScreen] currentMode].size) : \                                NO)// 是否iPad#define isPad                   (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)// UIView - viewWithTag#define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag : _TAG]// 本地化字符串/** NSLocalizedString宏做的事实上就是在当前bundle中查找资源文件名称“Localizable.strings”(參数:键＋凝视) */#define LocalString(x, ...)     NSLocalizedString(x, nil)/** NSLocalizedStringFromTable宏做的事实上就是在当前bundle中查找资源文件名称“xxx.strings”(參数:键＋文件名称＋凝视) */#define AppLocalString(x, ...)  NSLocalizedStringFromTable(x, @"someName", nil)