+ (NSString *)platform {
struct utsname systemInfo;
uname(&systemInfo);
NSString *platform = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];
if ([platform isEqualToString:@"iPhone1,1"]) return @"iPhone";
if ([platform isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
if ([platform isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
if ([platform isEqualToString:@"iPhone3,1"]) return @"iPhone 4 (GSM)";
if ([platform isEqualToString:@"iPhone3,3"]) return @"iPhone 4 (CDMA)";
if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
if ([platform isEqualToString:@"iPhone5,1"]) return @"iPhone 5 (A1428)";
if ([platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (A1429)";
if ([platform isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (A1456/A1532)";
if ([platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (A1507/A1516/A1529)";
if ([platform isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (A1433/A1453)";
if ([platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (A1457/A1518/A1530)";
if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
if ([platform isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
if ([platform isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";
if ([platform isEqualToString:@"iPhone8,4"]) return @"iPhone SE";
if ([platform isEqualToString:@"iPhone9,1"]) return @"iPhone 7 (A1660/A1779/A1780)";
if ([platform isEqualToString:@"iPhone9,2"]) return @"iPhone 7 Plus (A1661/A1785/A1786)";
if ([platform isEqualToString:@"iPhone9,3"]) return @"iPhone 7 (A1778)";
if ([platform isEqualToString:@"iPhone9,4"]) return @"iPhone 7 Plus (A1784)";
if ([platform isEqualToString:@"iPad1,1"]) return @"iPad";
if ([platform isEqualToString:@"iPad2,1"]) return @"iPad 2 (Wi-Fi)";
if ([platform isEqualToString:@"iPad2,2"]) return @"iPad 2 (GSM)";
if ([platform isEqualToString:@"iPad2,3"]) return @"iPad 2 (CDMA)";
if ([platform isEqualToString:@"iPad2,4"]) return @"iPad 2 (Wi-Fi, revised)";
if ([platform isEqualToString:@"iPad2,5"]) return @"iPad mini (Wi-Fi)";
if ([platform isEqualToString:@"iPad2,6"]) return @"iPad mini (A1454)";
if ([platform isEqualToString:@"iPad2,7"]) return @"iPad mini (A1455)";
if ([platform isEqualToString:@"iPad3,1"]) return @"iPad (3rd gen, Wi-Fi)";
if ([platform isEqualToString:@"iPad3,2"]) return @"iPad (3rd gen, Wi-Fi+LTE Verizon)";
if ([platform isEqualToString:@"iPad3,3"]) return @"iPad (3rd gen, Wi-Fi+LTE AT&T)";
if ([platform isEqualToString:@"iPad3,4"]) return @"iPad (4th gen, Wi-Fi)";
if ([platform isEqualToString:@"iPad3,5"]) return @"iPad (4th gen, A1459)";
if ([platform isEqualToString:@"iPad3,6"]) return @"iPad (4th gen, A1460)";
if ([platform isEqualToString:@"iPad4,1"]) return @"iPad Air (Wi-Fi)";
if ([platform isEqualToString:@"iPad4,2"]) return @"iPad Air (Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPad4,3"]) return @"iPad Air (Rev)";
if ([platform isEqualToString:@"iPad4,4"]) return @"iPad mini 2 (Wi-Fi)";
if ([platform isEqualToString:@"iPad4,5"]) return @"iPad mini 2 (Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPad4,6"]) return @"iPad mini 2 (Rev)";
if ([platform isEqualToString:@"iPad4,7"]) return @"iPad mini 3 (Wi-Fi)";
if ([platform isEqualToString:@"iPad4,8"]) return @"iPad mini 3 (A1600)";
if ([platform isEqualToString:@"iPad4,9"]) return @"iPad mini 3 (A1601)";
if ([platform isEqualToString:@"iPad5,1"]) return @"iPad mini 4 (Wi-Fi)";
if ([platform isEqualToString:@"iPad5,2"]) return @"iPad mini 4 (Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPad5,3"]) return @"iPad Air 2 (Wi-Fi)";
if ([platform isEqualToString:@"iPad5,4"]) return @"iPad Air 2 (Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPad6,3"]) return @"iPad Pro (9.7 inch) (Wi-Fi)";
if ([platform isEqualToString:@"iPad6,4"]) return @"iPad Pro (9.7 inch) (Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPad6,7"]) return @"iPad Pro (12.9 inch, Wi-Fi)";
if ([platform isEqualToString:@"iPad6,8"]) return @"iPad Pro (12.9 inch, Wi-Fi+LTE)";
if ([platform isEqualToString:@"iPod1,1"]) return @"iPod touch";
if ([platform isEqualToString:@"iPod2,1"]) return @"iPod touch (2nd gen)";
if ([platform isEqualToString:@"iPod3,1"]) return @"iPod touch (3rd gen)";
if ([platform isEqualToString:@"iPod4,1"]) return @"iPod touch (4th gen)";
if ([platform isEqualToString:@"iPod5,1"]) return @"iPod touch (5th gen)";
if ([platform isEqualToString:@"iPod7,1"]) return @"iPod touch (6th gen)";
if ([platform isEqualToString:@"i386"]) return @"iPhone Simulator";
if ([platform isEqualToString:@"x86_64"]) return @"iPhone Simulator";
return platform;
}
数据来源 iOS Device Type
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