OC版本：
/// 判断是不是ipad
#define YIsPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
/// 判断iPhone4系列
#define YiPhone4 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640,960), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhone5系列
#define YiPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640,1136), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhone6系列
#define YiPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750,1334), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iphone6+系列
#define YiPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242,2208), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPHoneXr
#define YiPhone_Xr ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828,1792), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhoneX
#define YiPhone_X ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125,2436), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhoneXs Max
#define YiPhone_Xs_Max ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242,2688), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhone12Mini
#define YiPhone_12Mini ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1080,2340), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhone12
#define YiPhone_12 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1170,2532), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 判断iPhone12 Pro Max
#define YiPhone_12_ProMax ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1284,2778), [[UIScreen mainScreen] currentMode].size) && !YIsPad : NO)
/// 是否是X及以上手机
#define YiPhoneE_X_orMore (YiPhone_Xr==YES || YiPhone_X== YES || YiPhone_Xs_Max== YES || YiPhone_12Mini== YES || YiPhone_12==YES || YiPhone_12_ProMax== YES)
Swift版本：
///苹果尺寸
public enum IPhoneSize: Int {
case iphone4
case iphone5s
case iphone6
case iphone6P
/// 所有带刘海屏的手机统称X
case iphoneX
}
///机型屏幕尺寸
public func IPhoneSizeAction () -> IPhoneSize {
/*
手机设备型号 屏幕尺寸 分辨率点数 (pt) 屏幕显示模式 分辨率像素(px) 屏幕比例
iPhone 3GS 3.5吋 320 x 480 @1x 320 x 480 -
iPhone 4/4S 3.5吋 320 x 480 @2x 640 x 960 -
iPhone 5/5S/5C/SE 4.0吋 320x568 @2x 640x1136 16:9
iPhone 6/6s/7/8/SE 2 4.7吋 375x667 @2x 750x1334 16:9
iPhone 6p/7p/8p 5.5吋 414x736 @3x 1242x2208 16:9
iPhone XR/11 6.1吋 414x896 @2x 828x1792 19.5:9
iPhone X/XS/11 Pro 5.8吋 375x812 @3x 1125x2436 19.5:9
iPhone XS Max/11 Pro Max 6.5吋 414x896 @3x 1242x2688 19.5:9
iPhone 12 mini 5.4吋 360x780 @3x 1080x2340 19.5:9
iPhone 12/12 Pro 6.1吋 390x844 @3x 1170x2532 19.5:9
iPhone 12 Pro Max 6.7吋 428x926 @3x 1284x2778 19.5:9
iPhone 13 mini 5.4吋 360x780 @3x 1080x2340 19.5:9
iPhone 13/13 Pro 6.1吋 390x844 @3x 1170x2532 19.5:9
iPhone 13 Pro Max 6.7吋 428x926 @3x 1284x2778 19.5:9
*/
if UIScreen.height == 780// 12 mini/13 mini
||UIScreen.height==812// X/XS/11 Pro
||UIScreen.height == 896// XR/11/XS Max/11 Pro Max
||UIScreen.height == 844// 12/12 Pro/13/13 Pro
||UIScreen.height == 926// 12 Pro Max/13 Pro Max
{
return IPhoneSize.iphoneX
}else if UIScreen.height == 736 {// 6 Plus/6S Plus/7 Plus/8 Plus
return IPhoneSize.iphone6P
}else if UIScreen.height == 667 {// 6/6S/7/8/SE(二代)
return IPhoneSize.iphone6
}else if UIScreen.height == 568{// 5/5S/5C/SE
return IPhoneSize.iphone5s
}else{
return IPhoneSize.iphone4
}
}