获取IOS设备型号的代码

- ( NSString *)deviceString
{
// 需要#import "sys/utsname.h"
struct utsname systemInfo;
uname(&systemInfo);
NSString *deviceString = [ NSString stringWithCString:systemInfo.machine encoding: NSUTF8StringEncoding ];

if ([deviceString isEqualToString:@ "iPhone1,1" ])     return @ "iPhone 1G" ;
if ([deviceString isEqualToString:@ "iPhone1,2" ])     return @ "iPhone 3G" ;
if ([deviceString isEqualToString:@ "iPhone2,1" ])     return @ "iPhone 3GS" ;
if ([deviceString isEqualToString:@ "iPhone3,1" ])     return @ "iPhone 4" ;
if ([deviceString isEqualToString:@ "iPhone4,1" ])     return @ "iPhone 4S" ;
if ([deviceString isEqualToString:@ "iPhone5,2" ])     return @ "iPhone 5" ;
if ([deviceString isEqualToString:@ "iPhone5,4" ])     return @ "iPhone 5C" ;
if ([deviceString isEqualToString:@ "iPhone6,2" ])     return @ "iPhone 5S" ;
if ([deviceString isEqualToString:@ "iPhone7,1" ])     return @ "iPhone 6P" ;
if ([deviceString isEqualToString:@ "iPhone7,2" ])     return @ "iPhone 6" ;
if ([deviceString isEqualToString:@ "iPhone3,2" ])     return @ "Verizon iPhone 4" ;
if ([deviceString isEqualToString:@ "iPod1,1" ])       return @ "iPod Touch 1G" ;
if ([deviceString isEqualToString:@ "iPod2,1" ])       return @ "iPod Touch 2G" ;
if ([deviceString isEqualToString:@ "iPod3,1" ])       return @ "iPod Touch 3G" ;
if ([deviceString isEqualToString:@ "iPod4,1" ])       return @ "iPod Touch 4G" ;
if ([deviceString isEqualToString:@ "iPad1,1" ])       return @ "iPad" ;
if ([deviceString isEqualToString:@ "iPad2,1" ])       return @ "iPad 2 (WiFi)" ;
if ([deviceString isEqualToString:@ "iPad2,2" ])       return @ "iPad 2 (GSM)" ;
if ([deviceString isEqualToString:@ "iPad2,3" ])       return @ "iPad 2 (CDMA)" ;
if ([deviceString isEqualToString:@ "i386" ])         return @ "Simulator" ;
if ([deviceString isEqualToString:@ "x86_64" ])       return @ "Simulator" ;
NSLog (@ "NOTE: Unknown device type: %@" , deviceString);
return deviceString;
}