常用的宏定义

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//判断IOS7以上版本

#define ISIOS7PLUS ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0 ? YES : NO)

//判断iPhone型号大于5

#define ISIPHONE5PLUS ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

//判断iPhone型号大于6

#define ISIPHONE6PLUS ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) : NO)

//获取屏幕 宽度、高度

#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)

#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)

//设置颜色RGB

#define COLOR(RED, GRAY, BLUE, ALPHA) [UIColor colorWithRed:RED/255.0 green:GRAY/255.0 blue:BLUE/255.0 alpha:ALPHA]

常用的宏定义

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原文地址：http://www.cnblogs.com/LE-Quan/p/5131383.html