ios 获得设备型号

http://www.oschina.net/code/snippet_2247606_39106

//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; }

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