搜罗整理了一下，持续更新
//判断手机型号
//判断是否是ipad
#define isPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
// iPhone4S
#define IS_iPhone_4S ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640,960), [[UIScreen mainScreen] currentMode].size) : NO)
// iPhone5 iPhone5s iPhoneSE
#define IS_iPhone_5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640,1136), [[UIScreen mainScreen] currentMode].size) : NO)
// iPhone6 7 8
#define IS_iPhone_6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? (CGSizeEqualToSize(CGSizeMake(750,1334), [[UIScreen mainScreen] currentMode].size) || CGSizeEqualToSize(CGSizeMake(640,1136), [[UIScreen mainScreen] currentMode].size)) : NO)
// iPhone6plus iPhone7plus iPhone8plus
#define IS_iPhone6_Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? (CGSizeEqualToSize(CGSizeMake(1125,2001), [[UIScreen mainScreen] currentMode].size) || CGSizeEqualToSize(CGSizeMake(1242,2208), [[UIScreen mainScreen] currentMode].size)) : NO)
// iPhoneX.iPHoneXs
#define IS_iPhoneX ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125,2436), [[UIScreen mainScreen] currentMode].size) : NO)
//判断iPHoneXr
#define IS_iPhoneXR ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828,1792), [[UIScreen mainScreen] currentMode].size) : NO)
//判断iPhoneXs Max
#define IS_iPhoneXS_MAX ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242,2688), [[UIScreen mainScreen] currentMode].size) : NO)
