iOS判断iPhone型号

链接: http://stackoverflow.com/questions/11197509/ios-how-to-get-device-make-and-model
http://stackoverflow.com/questions/26028918/ios-how-to-determine-iphone-model-in-swift

这种是在较高层次获取设备类型，返回的是 iPhone , iPod , iPad 。适合要求不高的。

UIDevice.currentDevice().model

---

以下可以获取具体型号信息:
Swift Code:

//
//  UIDeviceExtension.swift
//  StopSmokingPrograms
//
//  Created by Fran on 15/12/29.
//  Copyright © 2015年 kimree. All rights reserved.
//

import Foundation

public enum DeviceModel : String {
    case Simulator = "Simulator/Sandbox",
    iPod1          = "iPod 1",
    iPod2          = "iPod 2",
    iPod3          = "iPod 3",
    iPod4          = "iPod 4",
    iPod5          = "iPod 5",
    iPad2          = "iPad 2",
    iPad3          = "iPad 3",
    iPad4          = "iPad 4",
    iPhone4        = "iPhone 4",
    iPhone4S       = "iPhone 4S",
    iPhone5        = "iPhone 5",
    iPhone5S       = "iPhone 5S",
    iPhone5C       = "iPhone 5C",
    iPadMini1      = "iPad Mini 1",
    iPadMini2      = "iPad Mini 2",
    iPadMini3      = "iPad Mini 3",
    iPadAir1       = "iPad Air 1",
    iPadAir2       = "iPad Air 2",
    iPhone6        = "iPhone 6",
    iPhone6plus    = "iPhone 6 Plus",
    iPhone6S       = "iPhone 6S",
    iPhone6Splus   = "iPhone 6S Plus",
    Unrecognized   = "?unrecognized?"
}

extension UIDevice{

    public var deviceModel: DeviceModel{
        var systemInfo = utsname()
        uname(&systemInfo)
        let modelCode = withUnsafeMutablePointer(&systemInfo.machine) {
            ptr in String.fromCString(UnsafePointer<CChar>(ptr))
        }
        var modelMap : [ String : DeviceModel ] = [
            "i386"      : .Simulator,
            "x86_64"    : .Simulator,
            "iPod1,1"   : .iPod1,
            "iPod2,1"   : .iPod2,
            "iPod3,1"   : .iPod3,
            "iPod4,1"   : .iPod4,
            "iPod5,1"   : .iPod5,
            "iPad2,1"   : .iPad2,
            "iPad2,2"   : .iPad2,
            "iPad2,3"   : .iPad2,
            "iPad2,4"   : .iPad2,
            "iPad2,5"   : .iPadMini1,
            "iPad2,6"   : .iPadMini1,
            "iPad2,7"   : .iPadMini1,
            "iPhone3,1" : .iPhone4,
            "iPhone3,2" : .iPhone4,
            "iPhone3,3" : .iPhone4,
            "iPhone4,1" : .iPhone4S,
            "iPhone5,1" : .iPhone5,
            "iPhone5,2" : .iPhone5,
            "iPhone5,3" : .iPhone5C,
            "iPhone5,4" : .iPhone5C,
            "iPad3,1"   : .iPad3,
            "iPad3,2"   : .iPad3,
            "iPad3,3"   : .iPad3,
            "iPad3,4"   : .iPad4,
            "iPad3,5"   : .iPad4,
            "iPad3,6"   : .iPad4,
            "iPhone6,1" : .iPhone5S,
            "iPhone6,2" : .iPhone5S,
            "iPad4,1"   : .iPadAir1,
            "iPad4,2"   : .iPadAir2,
            "iPad4,4"   : .iPadMini2,
            "iPad4,5"   : .iPadMini2,
            "iPad4,6"   : .iPadMini2,
            "iPad4,7"   : .iPadMini3,
            "iPad4,8"   : .iPadMini3,
            "iPad4,9"   : .iPadMini3,
            "iPhone7,1" : .iPhone6plus,
            "iPhone7,2" : .iPhone6,
            "iPhone8,1" : .iPhone6S,
            "iPhone8,2" : .iPhone6Splus
        ]

        if let model = modelMap[String.fromCString(modelCode!)!] {
            return model
        }

        return DeviceModel.Unrecognized
    }
}

---

Objective-C Code:
UIDevice+DeviceModel.h

//
//  UIDevice+DeviceModel.h
//  TestDemo
//
//  Created by Fran on 15/12/29.
//  Copyright © 2015年 Fran. All rights reserved.
//

#import <UIKit/UIKit.h>

extern NSString *const Device_Simulator;
extern NSString *const Device_iPod1;
extern NSString *const Device_iPod2;
extern NSString *const Device_iPod3;
extern NSString *const Device_iPod4;
extern NSString *const Device_iPod5;
extern NSString *const Device_iPad2;
extern NSString *const Device_iPad3;
extern NSString *const Device_iPad4;
extern NSString *const Device_iPhone4;
extern NSString *const Device_iPhone4S;
extern NSString *const Device_iPhone5;
extern NSString *const Device_iPhone5S;
extern NSString *const Device_iPhone5C;
extern NSString *const Device_iPadMini1;
extern NSString *const Device_iPadMini2;
extern NSString *const Device_iPadMini3;
extern NSString *const Device_iPadAir1;
extern NSString *const Device_iPadAir2;
extern NSString *const Device_iPhone6;
extern NSString *const Device_iPhone6plus;
extern NSString *const Device_iPhone6S;
extern NSString *const Device_iPhone6Splus;
extern NSString *const Device_Unrecognized;

@interface UIDevice (DeviceModel)

-(NSString *) deviceModel;

@end

UIDevice+DeviceModel.m

//
//  UIDevice+DeviceModel.m
//  TestDemo
//
//  Created by Fran on 15/12/29.
//  Copyright © 2015年 Fran. All rights reserved.
//

#import "UIDevice+DeviceModel.h"
#import <sys/utsname.h>

NSString *const Device_Simulator = @"Simulator";
NSString *const Device_iPod1 = @"iPod1";
NSString *const Device_iPod2 = @"iPod2";
NSString *const Device_iPod3 = @"iPod3";
NSString *const Device_iPod4 = @"iPod4";
NSString *const Device_iPod5 = @"iPod5";
NSString *const Device_iPad2 = @"iPad2";
NSString *const Device_iPad3 = @"iPad3";
NSString *const Device_iPad4 = @"iPad4";
NSString *const Device_iPhone4 = @"iPhone 4";
NSString *const Device_iPhone4S = @"iPhone 4S";
NSString *const Device_iPhone5 = @"iPhone 5";
NSString *const Device_iPhone5S = @"iPhone 5S";
NSString *const Device_iPhone5C = @"iPhone 5C";
NSString *const Device_iPadMini1 = @"iPad Mini 1";
NSString *const Device_iPadMini2 = @"iPad Mini 2";
NSString *const Device_iPadMini3 = @"iPad Mini 3";
NSString *const Device_iPadAir1 = @"iPad Air 1";
NSString *const Device_iPadAir2 = @"iPad Mini 3";
NSString *const Device_iPhone6 = @"iPhone 6";
NSString *const Device_iPhone6plus = @"iPhone 6 Plus";
NSString *const Device_iPhone6S = @"iPhone 6S";
NSString *const Device_iPhone6Splus = @"iPhone 6S Plus";
NSString *const Device_Unrecognized = @"?unrecognized?";

@implementation UIDevice (DeviceModel)

- (NSString *)deviceModel{

    struct utsname systemInfo;

    uname(&systemInfo);

    NSString* code = [NSString stringWithCString:systemInfo.machine
                                        encoding:NSUTF8StringEncoding];

    static NSDictionary* deviceNamesByCode = nil;

    if (!deviceNamesByCode) {

        deviceNamesByCode = @{
                              @"i386"      : Device_Simulator,
                              @"x86_64"    : Device_Simulator,
                              @"iPod1,1"   : Device_iPod1,
                              @"iPod2,1"   : Device_iPod2,
                              @"iPod3,1"   : Device_iPod3,
                              @"iPod4,1"   : Device_iPod4,
                              @"iPod5,1"   : Device_iPod5,
                              @"iPad2,1"   : Device_iPad2,
                              @"iPad2,2"   : Device_iPad2,
                              @"iPad2,3"   : Device_iPad2,
                              @"iPad2,4"   : Device_iPad2,
                              @"iPad2,5"   : Device_iPadMini1,
                              @"iPad2,6"   : Device_iPadMini1,
                              @"iPad2,7"   : Device_iPadMini1,
                              @"iPhone3,1" : Device_iPhone4,
                              @"iPhone3,2" : Device_iPhone4,
                              @"iPhone3,3" : Device_iPhone4,
                              @"iPhone4,1" : Device_iPhone4S,
                              @"iPhone5,1" : Device_iPhone5,
                              @"iPhone5,2" : Device_iPhone5,
                              @"iPhone5,3" : Device_iPhone5C,
                              @"iPhone5,4" : Device_iPhone5C,
                              @"iPad3,1"   : Device_iPad3,
                              @"iPad3,2"   : Device_iPad3,
                              @"iPad3,3"   : Device_iPad3,
                              @"iPad3,4"   : Device_iPad4,
                              @"iPad3,5"   : Device_iPad4,
                              @"iPad3,6"   : Device_iPad4,
                              @"iPhone6,1" : Device_iPhone5S,
                              @"iPhone6,2" : Device_iPhone5S,
                              @"iPad4,1"   : Device_iPadAir1,
                              @"iPad4,2"   : Device_iPadAir2,
                              @"iPad4,4"   : Device_iPadMini2,
                              @"iPad4,5"   : Device_iPadMini2,
                              @"iPad4,6"   : Device_iPadMini2,
                              @"iPad4,7"   : Device_iPadMini3,
                              @"iPad4,8"   : Device_iPadMini3,
                              @"iPad4,9"   : Device_iPadMini3,
                              @"iPhone7,1" : Device_iPhone6plus,
                              @"iPhone7,2" : Device_iPhone6,
                              @"iPhone8,1" : Device_iPhone6S,
                              @"iPhone8,2" : Device_iPhone6Splus
                              };
    }

    NSString* deviceName = [deviceNamesByCode objectForKey:code];
    if(deviceName){
        return deviceName;
    }

    return Device_Unrecognized;
}

@end