**截止目前，苹果除了很多设备了。iOS开发者们如何获取设备？**
导入头文件
~~~
#include <sys/types.h>
#include <sys/sysctl.h>
~~~
直接调用
~~~
//获得设备型号
+ (NSString *)getCurrentDeviceModel:(UIViewController *)controller
{
int mib[2];
size_t len;
char *machine;
mib[0] = CTL_HW;
mib[1] = HW_MACHINE;
sysctl(mib, 2, NULL, &len, NULL, 0);
machine = malloc(len);
sysctl(mib, 2, machine, &len, NULL, 0);
NSString *platform = [NSString stringWithCString:machine encoding:NSASCIIStringEncoding];
free(machine);
if ([platform isEqualToString:@"iPhone1,1"]) return @"iPhone 2G (A1203)";
if ([platform isEqualToString:@"iPhone1,2"]) return @"iPhone 3G (A1241/A1324)";
if ([platform isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS (A1303/A1325)";
if ([platform isEqualToString:@"iPhone3,1"]) return @"iPhone 4 (A1332)";
if ([platform isEqualToString:@"iPhone3,2"]) return @"iPhone 4 (A1332)";
if ([platform isEqualToString:@"iPhone3,3"]) return @"iPhone 4 (A1349)";
if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4S (A1387/A1431)";
if ([platform isEqualToString:@"iPhone5,1"]) return @"iPhone 5 (A1428)";
if ([platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (A1429/A1442)";
if ([platform isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (A1456/A1532)";
if ([platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (A1507/A1516/A1526/A1529)";
if ([platform isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (A1453/A1533)";
if ([platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (A1457/A1518/A1528/A1530)";
if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus (A1522/A1524)";
if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6 (A1549/A1586)";
if ([platform isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G (A1213)";
if ([platform isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G (A1288)";
if ([platform isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G (A1318)";
if ([platform isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G (A1367)";
if ([platform isEqualToString:@"iPod5,1"]) return @"iPod Touch 5G (A1421/A1509)";
if ([platform isEqualToString:@"iPad1,1"]) return @"iPad 1G (A1219/A1337)";
if ([platform isEqualToString:@"iPad2,1"]) return @"iPad 2 (A1395)";
if ([platform isEqualToString:@"iPad2,2"]) return @"iPad 2 (A1396)";
if ([platform isEqualToString:@"iPad2,3"]) return @"iPad 2 (A1397)";
if ([platform isEqualToString:@"iPad2,4"]) return @"iPad 2 (A1395+New Chip)";
if ([platform isEqualToString:@"iPad2,5"]) return @"iPad Mini 1G (A1432)";
if ([platform isEqualToString:@"iPad2,6"]) return @"iPad Mini 1G (A1454)";
if ([platform isEqualToString:@"iPad2,7"]) return @"iPad Mini 1G (A1455)";
if ([platform isEqualToString:@"iPad3,1"]) return @"iPad 3 (A1416)";
if ([platform isEqualToString:@"iPad3,2"]) return @"iPad 3 (A1403)";
if ([platform isEqualToString:@"iPad3,3"]) return @"iPad 3 (A1430)";
if ([platform isEqualToString:@"iPad3,4"]) return @"iPad 4 (A1458)";
if ([platform isEqualToString:@"iPad3,5"]) return @"iPad 4 (A1459)";
if ([platform isEqualToString:@"iPad3,6"]) return @"iPad 4 (A1460)";
if ([platform isEqualToString:@"iPad4,1"]) return @"iPad Air (A1474)";
if ([platform isEqualToString:@"iPad4,2"]) return @"iPad Air (A1475)";
if ([platform isEqualToString:@"iPad4,3"]) return @"iPad Air (A1476)";
if ([platform isEqualToString:@"iPad4,4"]) return @"iPad Mini 2G (A1489)";
if ([platform isEqualToString:@"iPad4,5"]) return @"iPad Mini 2G (A1490)";
if ([platform isEqualToString:@"iPad4,6"]) return @"iPad Mini 2G (A1491)";
if ([platform isEqualToString:@"i386"]) return @"iPhone Simulator";
if ([platform isEqualToString:@"x86_64"]) return @"iPhone Simulator";
return platform;
}
~~~
