获取iOS的设备型号

#import "sys/utsname.h"

    struct utsname systemInfo;

    uname(&systemInfo);

    NSString *deviceString = [NSStringstringWithCString:systemInfo.machineencoding: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:@"iPhone3,3"])   return@"Verizon iPhone 4";

    if ([deviceString isEqualToString:@"iPhone4,1"])    return @"iPhone 4S";

    if ([deviceString isEqualToString:@"iPhone5,1"])   return@"iPhone 5 (GSM)";

    if ([deviceString isEqualToString:@"iPhone5,2"])   return@"iPhone 5 (GSM+CDMA)";

    if ([deviceString isEqualToString:@"iPhone5,3"])   return@"iPhone 5c (GSM)";

    if ([deviceString isEqualToString:@"iPhone5,4"])   return@"iPhone 5c (GSM+CDMA)";

    if ([deviceString isEqualToString:@"iPhone6,1"])   return@"iPhone 5s (GSM)";

    if ([deviceString isEqualToString:@"iPhone6,2"])   return@"iPhone 5s (GSM+CDMA)";

    if ([deviceStringisEqualToString:@"iPod1,1"])     return@"iPod Touch 1G";

    if ([deviceStringisEqualToString:@"iPod2,1"])     return@"iPod Touch 2G";

    if ([deviceStringisEqualToString:@"iPod3,1"])     return@"iPod Touch 3G";

    if ([deviceString isEqualToString:@"iPod4,1"])      return @"iPod Touch 4G";

    if ([deviceString isEqualToString:@"iPod5,1"])      return @"iPod Touch 5G";

    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:@"iPad2,4"])      return @"iPad 2 (WiFi)";

    if ([deviceString isEqualToString:@"iPad2,5"])      return @"iPad Mini (WiFi)";

    if ([deviceString isEqualToString:@"iPad2,6"])      return @"iPad Mini (GSM)";

    if ([deviceString isEqualToString:@"iPad2,7"])     return@"iPad Mini (GSM+CDMA)";

    if ([deviceString isEqualToString:@"iPad3,1"])      return @"iPad 3 (WiFi)";

    if ([deviceString isEqualToString:@"iPad3,2"])      return @"iPad 3 (GSM+CDMA)";

    if ([deviceString isEqualToString:@"iPad3,3"])      return @"iPad 3 (GSM)";

    if ([deviceString isEqualToString:@"iPad3,4"])      return @"iPad 4 (WiFi)";

    if ([deviceString isEqualToString:@"iPad3,5"])      return @"iPad 4 (GSM)";

    if ([deviceString isEqualToString:@"iPad3,6"])      return @"iPad 4 (GSM+CDMA)";

    if ([deviceString isEqualToString:@"iPad4,1"])      return @"iPad Air (WiFi)";

    if ([deviceString isEqualToString:@"iPad4,2"])     return@"iPad Air (Cellular)"; 

    if ([deviceString isEqualToString:@"i386"])         return @"Simulator";

    if ([deviceString isEqualToString:@"x86_64"])       return @"Simulator";