iOS 苹果手机各种机型与型号对照，代码
#import <Foundation/Foundation.h>NS_ASSUME_NONNULL_BEGINtypedef NS_ENUM(NSInteger, DeviceType) { unKnown = -1, iPhone_2G = 0, iPhone_3G, iPhone_3GS, iPhone_4, iPhone_4S, iPhone_5, iPhone_5c, iPhone_5s, iPh.
