//设备型号
define IS_IPAD [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad
define IS_IPHONE [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone
define IS_IPHONE_4 (fabs((double)[[UIScreen mainScreen] bounds].size.height - (double )480) < DBL_EPSILON )
define IS_IPHONE_5 (fabs((double)[[UIScreen mainScreen] bounds].size.height - (double )568) < DBL_EPSILON )
define IS_IPHONE_6 (fabs((double)[[UIScreen mainScreen] bounds].size.height - (double )667) < DBL_EPSILON )
define IS_IPHONE_6_PLUS (fabs((double)[[UIScreen mainScreen] bounds].size.height - (double )960) < DBL_EPSILON )
//系统版本
define IS_IOS_VERSION floorf([[UIDevice currentDevice].systemVersion floatValue]
define IS_IOS_7 floorf([[UIDevice currentDevice].systemVersion floatValue]) ==7.0 ? 1 : 0
define IS_IOS_8 floorf([[UIDevice currentDevice].systemVersion floatValue]) ==8.0 ? 1 : 0
define IS_IOS_9 floorf([[UIDevice currentDevice].systemVersion floatValue]) ==9.0 ? 1 : 0
define IS_IOS_10 floorf([[UIDevice currentDevice].systemVersion floatValue]) ==10.0 ? 1 : 0
define IS_IOS_11 floorf([[UIDevice currentDevice].systemVersion floatValue]) ==11.0 ? 1 : 0
//物理屏幕尺寸
define IH_DEVICE_HEIGHT [[UIScreen mainScreen] bounds].size.height
define IH_DEVICE_WIDTH [[UIScreen mainScreen] bounds].size.width
//自定义的NSLog