一些常用的宏定义

#define kScreenHeight [UIScreen mainScreen].bounds.size.height  //屏幕的高度

#define kScreenWidth [UIScreen mainScreen].bounds.size.width    //屏幕的宽度

//通过三色值获取颜色对象

#define rgb(r,g,b,a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]

#define ColorWithImgName(str)  [UIColor colorWithPatternImage:[UIImage imageNamed:str]]

//设备型号

#define SystemVersionFloat [[UIDevice currentDevice].systemVersion floatValue]

//判断字符串是否为空

#define strIsEmpty(str) (str == nil || [str length]<1 ? YES : NO )

//取文件

#define mainBundle(fileName,fileType) [[NSBundle mainBundle] pathForResource:fileName ofType:fileType]

//设置字体

#define sysFont(f) [UIFont systemFontOfSize:f]

#define boldSysFont(f) [UIFont boldSystemFontOfSize:f]