获取设备型号

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 <sys/utsname.h>
#import <UIKit/UIKit.h>
*/
+(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;
}

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