//获取屏幕 宽度、高度
//宽度
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
//高度
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
// 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]
// 可以更改透明度
#define UIColorFromRGBA(rgbValue,a) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:a]
#ifdef DEBUG
#define ZKLog(fmt, ...) NSLog((@"%s [Line %d] " fmt),__PRETTY_FUNCTION__,__LINE__,##__VA_ARGS__);
#else
#define ZKLog(...)
#endif
像素与尺寸的关系
[UIScreen mainScreen].scale
//当前版本
#define IOS_FSystenVersion ([[[UIDevice currentDevice] systemVersion] floatValue])
#define IOS_DSystenVersion ([[[UIDevice currentDevice] systemVersion] doubleValue])
#define IOS_SSystemVersion ([[UIDevice currentDevice] systemVersion])
//当前语言
#define CURRENTLANGUAGE ([[NSLocale preferredLanguages] objectAtIndex:0])
#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000
#define Textsize(text, font, maxWith) [text length] > 0 ? [text \\
boundingRectWithSize:CGSizeMake(maxWith, MAXFLOAT) options:(NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading) \\
attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:font]} context:nil].size : CGSizeZero;
#else
#define Textsize(text, font, maxWith) [text length] > 0 ? [text \\
sizeWithFont:[UIFont systemFontOfSize:font] constrainedToSize:CGSizeMake(maxWith, MAXFLOAT)] : CGSizeZero;
#endif
// 大于等于IOS7
#define RC_MULTILINE_TEXTSIZE_GEIOS7(text, font, maxSize) [text length] > 0 ? [text \\
boundingRectWithSize:maxSize options:(NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading) \\
attributes:@{NSFontAttributeName:font} context:nil].size : CGSizeZero;
// 小于IOS7
#define RC_MULTILINE_TEXTSIZE_LIOS7(text, font, maxSize, mode) [text length] > 0 ? [text \\
sizeWithFont:font constrainedToSize:maxSize lineBreakMode:mode] : CGSizeZero;
