常用PCH文件

//屏幕宽高
#define SCREEN_WIDTH         ([UIScreen mainScreen].bounds).size.width
#define SCREEN_HEIGHT        ([UIScreen mainScreen].bounds).size.height

// iOS 系统版本
#define IOS_VERSION       [[[UIDevice currentDevice] systemVersion] floatValue]

//几种屏幕的尺寸
#define KDevice_IS_iPhone4s ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)

#define KDevice_IS_iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

#define KDevice_IS_iPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) : NO)

#define KDevice_IS_iPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) : NO)

//屏幕比例
#define KWIDTH_6PLUS_SCALE        [UIScreen mainScreen].bounds.size.width/414.0f
#define KHEIGHT_6PLUS_SCALE       [UIScreen mainScreen].bounds.size.height/736.0f
#define KWIDTH_IPHONE6_SCALE      [UIScreen mainScreen].bounds.size.width/375.0f
#define KHEIGHT_IPHONE6_SCALE     [UIScreen mainScreen].bounds.size.height/667.0f
#define KWIDTH_IPHONE5_SCALE      [UIScreen mainScreen].bounds.size.width/320.0f
#define KHEIGHT_IPHONE5_SCALE     [UIScreen mainScreen].bounds.size.height/568.0f

//NavBar高度
#define NAVIGATION_HEIGHT_44  44

//NavBar高度 + statusBar高度
#define NAVIGATION_HEIGHT_64  64

//TabBar高度
#define TABAR_HEIGHT_49       49

//常用cell高度
#define CELLS_HEIGHT          44


//RGB 色值 以及 alpha值
#define RGBA(r, g, b,a)     [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]
#define RGB(r, g, b)        [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:1]

// RGB 颜色转换（16进制->10进制）
#define RGB_VALUE(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]

// NSUserDefaults
#define USER_DEFAULT [NSUserDefaults standardUserDefaults]

//字体的设置
#define SYSTEM_FONT(f) [UIFont systemFontOfSize:f]
#define BOLD_FONT(f)   [UIFont boldSystemFontOfSize:f]

//重写Debug模式下打印日
#ifdef DEBUG
#define DebugLog(format, ...) printf("\n[%s] %s [第%d行] %s\n", __TIME__, __FUNCTION__, __LINE__, [[NSString stringWithFormat:format, ## __VA_ARGS__] UTF8String]);
#else
#define DebugLog(...)
#endif

//AppDelegate
#define SHARE_APP ((AppDelegate *)[[UIApplication sharedApplication] delegate])

//获取当前的类
#define CURRENT_ClASS  NSStringFromClass([self class]

//弱引用
#define weakSelf(weakSelf) __weak __typeof(&*self)weakSelf = self;

#endif /* App_pch */

愿编程让这个世界更美好