IOS快速开发之常量定义

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在IOS开发中，有一些方法常常需要用的，但是有很长的方法名，这造成了代码长，写起来累，我们可以通过宏定义了解决这些问题

比如说在代码布局的时候会遇上这样的问题，我们要获取上面一个的Y轴坐标，有两种方法

通过坐标加上高度来计算

xx.frame.origin.y+xx.frame.size.height

还有一个略微简便的方法

CGRectGetMaxY(xx.frame)

都挺麻烦的，这时候就需要祭出宏定义来帮忙

#define MaxY(v)            CGRectGetMaxY((v).frame) //纵坐标加上控件的高度

通过这样的定义，下次我们获取Y坐标的时候只要轻轻的写上MaxY(xx)即可，是不是简单很多呢？

类似的还有加载图片的方法

#define IMAGENAMED(NAME)       [UIImage imageNamed:NAME]

这样就非常的方便，

下面是我整理的一个类

#ifndef Medical_Wisdom_UConstants_h #define Medical_Wisdom_UConstants_h  /******************************************************/  /****  debug log **/ //NSLog输出信息  #ifdef DEBUG  #define DLog( s, ... ) NSLog( @"< %@:(%d) > %@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )  #else  #define DLog( s, ... )  #endif   /***  DEBUG RELEASE  */  #if DEBUG  #define MCRelease(x)  #else  #define MCRelease(x)  #endif  /*****  release   *****/ #define NILRelease [x release], x = nil  #pragma mark - Frame(宏 x,y,width,height)  #define MainScreenScale [[UIScreen mainScreen]scale] //屏幕的分辨率 当结果为1时，显示的是普通屏幕，结果为2时，显示的是Retian屏幕 // App Frame Height&Width #define Application_Frame  [[UIScreen mainScreen] applicationFrame] //除去信号区的屏幕的frame #define APP_Frame_Height   [[UIScreen mainScreen] applicationFrame].size.height //应用程序的屏幕高度 #define App_Frame_Width    [[UIScreen mainScreen] applicationFrame].size.width  //应用程序的屏幕宽度 /*** MainScreen Height Width */  #define Main_Screen_Width  [[UIScreen mainScreen] bounds].size.width  //主屏幕的宽度 #define Main_Screen_Height [[UIScreen mainScreen] bounds].size.height //主屏幕的高度 #define Main_Screen_Height_without_top [[UIScreen mainScreen] bounds].size.height-64 //主屏幕的高度    // View 坐标(x,y)和宽高(width,height) #define X(v)               (v).frame.origin.x #define Y(v)               (v).frame.origin.y #define WIDTH(v)           (v).frame.size.width #define HEIGHT(v)          (v).frame.size.height  #define MinX(v)            CGRectGetMinX((v).frame) // 获得控件屏幕的x坐标 #define MinY(v)            CGRectGetMinY((v).frame) // 获得控件屏幕的Y坐标  #define MidX(v)            CGRectGetMidX((v).frame) //横坐标加上到控件中点坐标 #define MidY(v)            CGRectGetMidY((v).frame) //纵坐标加上到控件中点坐标  #define MaxX(v)            CGRectGetMaxX((v).frame) //横坐标加上控件的宽度 #define MaxY(v)            CGRectGetMaxY((v).frame) //纵坐标加上控件的高度  #define CONTRLOS_FRAME(x,y,width,height)     CGRectMake(x,y,width,height)  //    系统控件的默认高度 #define kStatusBarHeight   (20.f) #define kTopBarHeight      (44.f) #define kBottomBarHeight   (49.f)  #define kCellDefaultHeight (44.f)  #define KstatusBarAndNavigation (64.0) // 当控件为全屏时的横纵左边 #define kFrameX             (0.0) #define kFrameY             (0.0)   #define kPhoneWithStatusNoPhone5Height   (480.0) #define kPhoneNoWithStatusNoPhone5Height (460.0) #define kPhoneWithStatusPhone5Height     (568.0) #define kPhoneNoWithStatusPhone5Height   (548.0)  #define kPadFrameWidth                   (768.0) #define kPadWithStatusHeight             (1024.0) #define kPadNoWithStatusHeight           (1004.0)  //中英状态下键盘的高度 #define kEnglishKeyboardHeight  (216.f) #define kChineseKeyboardHeight  (252.f)  #pragma mark - Funtion Method (宏 方法) //PNG JPG 图片路径 #define PNGPATH(NAME)          [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:NAME] ofType:@"png"] #define JPGPATH(NAME)          [[NSBundle mainBundle] pathForResource:[NSString stringWithUTF8String:NAME] ofType:@"jpg"] #define PATH(NAME,EXT)         [[NSBundle mainBundle] pathForResource:(NAME) ofType:(EXT)]  //加载图片 #define PNGIMAGE(NAME)         [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(NAME) ofType:@"png"]] #define JPGIMAGE(NAME)         [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(NAME) ofType:@"jpg"]] #define IMAGE(NAME,EXT)        [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(NAME) ofType:(EXT)]] #define IMAGENAMED(NAME)       [UIImage imageNamed:NAME]  //字体大小（常规/粗体） #define BOLDSYSTEMFONT(FONTSIZE) [UIFont boldSystemFontOfSize:FONTSIZE] #define SYSTEMFONT(FONTSIZE)     [UIFont systemFontOfSize:FONTSIZE] #define FONT(NAME,FONTSIZE)      [UIFont fontWithName:(NAME) size:(FONTSIZE)]  //颜色（RGB） #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 BACKGROUND_COLOR         [UIColor colorWithRed:22/255.0f green:29/255.0f blue:38/255.0f alpha:1] //当前版本 #define FSystenVersion            ([[[UIDevice currentDevice] systemVersion] floatValue]) #define DSystenVersion            ([[[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 ISIPHONE                  [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone #define ISIPHONE5                 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO) #define ISIPHONE6                 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) : NO) #define ISIPHONE6P                 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) : NO)  //是否是iPad #define isPad                      (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)   #define YELLO_APP [UIColor colorWithRed:255/255 green:148.0/255 blue:28.0/255 alpha:1]  // UIView - viewWithTag 通过tag值获得子视图 #define VIEWWITHTAG(_OBJECT,_TAG)   [_OBJECT viewWithTag : _TAG]  //应用程序的名字 #define AppDisplayName              [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]  //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]  //判断设备室真机还是模拟器 #if TARGET_OS_IPHONE /** iPhone Device */ #endif  #if TARGET_IPHONE_SIMULATOR /** iPhone Simulator */ #endif  #endif 

这个在开发的时候可以略微的提高效率，OC的语法确实有点烦啊，赶快学swift吧，^_^

完整的代码可以在 GitHub 下载

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