原文链接：http://www.jianshu.com/p/8ea7d9f1781f

if([platformisEqualToString:@"iPhone1,1"])return@"iPhone 2G (A1203)";if([platformisEqualToString:@"iPhone1,2"])return@"iPhone 3G (A1241/A1324)";if([platformisEqualToString:@"iPhone2,1"])return@"iPhone 3GS (A1303/A1325)";if([platformisEqualToString:@"iPhone3,1"])return@"iPhone 4 (A1332)";if([platformisEqualToString:@"iPhone3,2"])return@"iPhone 4 (A1332)";if([platformisEqualToString:@"iPhone3,3"])return@"iPhone 4 (A1349)";if([platformisEqualToString:@"iPhone4,1"])return@"iPhone 4S (A1387/A1431)";if([platformisEqualToString:@"iPhone5,1"])return@"iPhone 5 (A1428)";if([platformisEqualToString:@"iPhone5,2"])return@"iPhone 5 (A1429/A1442)";if([platformisEqualToString:@"iPhone5,3"])return@"iPhone 5c (A1456/A1532)";if([platformisEqualToString:@"iPhone5,4"])return@"iPhone 5c (A1507/A1516/A1526/A1529)";if([platformisEqualToString:@"iPhone6,1"])return@"iPhone 5s (A1453/A1533)";if([platformisEqualToString:@"iPhone6,2"])return@"iPhone 5s (A1457/A1518/A1528/A1530)";if([platformisEqualToString:@"iPhone7,1"])return@"iPhone 6 Plus (A1522/A1524)";if([platformisEqualToString:@"iPhone7,2"])return@"iPhone 6 (A1549/A1586)";if([platformisEqualToString:@"iPod1,1"])return@"iPod Touch 1G (A1213)";if([platformisEqualToString:@"iPod2,1"])return@"iPod Touch 2G (A1288)";if([platformisEqualToString:@"iPod3,1"])return@"iPod Touch 3G (A1318)";if([platformisEqualToString:@"iPod4,1"])return@"iPod Touch 4G (A1367)";if([platformisEqualToString:@"iPod5,1"])return@"iPod Touch 5G (A1421/A1509)";if([platformisEqualToString:@"iPad1,1"])return@"iPad 1G (A1219/A1337)";if([platformisEqualToString:@"iPad2,1"])return@"iPad 2 (A1395)";if([platformisEqualToString:@"iPad2,2"])return@"iPad 2 (A1396)";if([platformisEqualToString:@"iPad2,3"])return@"iPad 2 (A1397)";if([platformisEqualToString:@"iPad2,4"])return@"iPad 2 (A1395+New Chip)";if([platformisEqualToString:@"iPad2,5"])return@"iPad Mini 1G (A1432)";if([platformisEqualToString:@"iPad2,6"])return@"iPad Mini 1G (A1454)";if([platformisEqualToString:@"iPad2,7"])return@"iPad Mini 1G (A1455)";if([platformisEqualToString:@"iPad3,1"])return@"iPad 3 (A1416)";if([platformisEqualToString:@"iPad3,2"])return@"iPad 3 (A1403)";if([platformisEqualToString:@"iPad3,3"])return@"iPad 3 (A1430)";if([platformisEqualToString:@"iPad3,4"])return@"iPad 4 (A1458)";if([platformisEqualToString:@"iPad3,5"])return@"iPad 4 (A1459)";if([platformisEqualToString:@"iPad3,6"])return@"iPad 4 (A1460)";if([platformisEqualToString:@"iPad4,1"])return@"iPad Air (A1474)";if([platformisEqualToString:@"iPad4,2"])return@"iPad Air (A1475)";if([platformisEqualToString:@"iPad4,3"])return@"iPad Air (A1476)";if([platformisEqualToString:@"iPad4,4"])return@"iPad Mini 2G (A1489)";if([platformisEqualToString:@"iPad4,5"])return@"iPad Mini 2G (A1490)";if([platformisEqualToString:@"iPad4,6"])return@"iPad Mini 2G (A1491)";if([platformisEqualToString:@"i386"])return@"iPhone Simulator";if([platformisEqualToString:@"x86_64"])return@"iPhone Simulator";return platform;}