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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