概述
在开发过程中，我们经常需要获取设备的具体型号（如iPhone X，iPhone8 Plus等）进行相应的适配等工作。并没有对应的系统API供我们直接调用来获取设备的型号。
UIDevice类中可以获取设备的相关信息。model属性获取设备的类型，如iPhone、iPad，无法获得设备的具体型号。
每一种iOS设备都有对应的标识，称为device model。首先获取到设备的device model 然后通过编码的方式映射为具体的设备型号，或者可以将值传到后端进行映射后再返回响应的型号，这样做法可以使得代码能够判断出最新的设备。
完整的device model参考：https://www.theiphonewiki.com/wiki/Models
代码
/*引入头文件
#import
#import
*/
+(NSString *)plateformString{
struct utsname systemInfo;
uname(&systemInfo);
NSString *machineName = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
if(!machineName){
return [UIDevice currentDevice].model;
}
NSDictionary *deviceDic = [XADevice deviceDictionary];
NSString *plateform = [deviceDic objectForKey:machineName];
return plateform;
}
+(NSDictionary *)deviceDictionary{
NSDictionary *deviceDic =@{
@"iPhone1,1":@"iPhone",
@"iPhone1,2":@"iPhone 3G",
@"iPhone2,1":@"iPhone 3GS",
@"iPhone3,1":@"iPhone 4",
@"iPhone3,2":@"iPhone 4",
@"iPhone3,3":@"iPhone 4",
@"iPhone4,1":@"iPhone 4S",
@"iPhone5,1":@"iPhone 5",
@"iPhone5,2":@"iPhone 5",
@"iPhone5,3":@"iPhone 5c",
@"iPhone5,4":@"iPhone 5c",
@"iPhone6,1":@"iPhone 5s",
@"iPhone6,2":@"iPhone 5s",
@"iPhone7,2":@"iPhone 6",
@"iPhone7,1":@"iPhone 6 Plus",
@"iPhone8,1":@"iPhone 6s",
@"iPhone8,2":@"iPhone 6s Plus",
@"iPhone8,4":@"iPhone SE",
@"iPhone9,1":@"iPhone 7",
@"iPhone9,3":@"iPhone 7",
@"iPhone9,2":@"iPhone 7 Plus",
@"iPhone9,4":@"iPhone 7 Plus",
@"iPhone10,1":@"iPhone 8",
@"iPhone10,4":@"iPhone 8",
@"iPhone10,2":@"iPhone 8 Plus",
@"iPhone10,5":@"iPhone 8 Plus",
@"iPhone10,3":@"iPhone X",
@"iPhone10,6":@"iPhone X",
@"iPhone11,8":@"iPhone XR",
@"iPhone11,2":@"iPhone XS",
@"iPhone11,6":@"iPhone XS Max",
@"iPhone11,4":@"iPhone XS Max",
@"iPod1,1":@"iPod touch",
@"iPod2,1":@"iPod touch (2nd generation)",
@"iPod3,1":@"iPod touch (3rd generation)",
@"iPod4,1":@"iPod touch (4th generation)",
@"iPod5,1":@"iPod touch (5th generation)",
@"iPod7,1":@"iPod touch (6th generation)",
@"iPad2,5":@"iPad mini",
@"iPad2,6":@"iPad mini",
@"iPad2,7":@"iPad mini",
@"iPad4,4":@"iPad mini 2",
@"iPad4,5":@"iPad mini 2",
@"iPad4,6":@"iPad mini 2",
@"iPad4,7":@"iPad mini 3",
@"iPad4,8":@"iPad mini 3",
@"iPad4,9":@"iPad mini 3",
@"iPad5,1":@"iPad mini 4",
@"iPad5,2":@"iPad mini 4",
@"i386":@"Simulator",
@"x86_64":@"Simulator"
};
return deviceDic;
}