iOS 11获取设备名称 Swift 超简单

func getDeviceVersion () -> String? {

        let name = UnsafeMutablePointer<utsname>.allocate(capacity: 1)

        uname(name)

        let machine = withUnsafePointer(to: &name.pointee.machine, { (ptr) -> String? in

            

            let int8Ptr = unsafeBitCast(ptr, to: UnsafePointer<CChar>.self)

            return String.init(cString: int8Ptr)

           // return String.fromCString(int8Ptr)

        })

        name.deallocate(capacity: 1)

        if let deviceString = machine {

            switch deviceString {

            //iPhone

            case "iPhone1,1":                 return "iPhone 1G"

            case "iPhone1,2":                 return "iPhone 3G"

            case "iPhone2,1":                 return "iPhone 3GS"

            case "iPhone3,1", "iPhone3,2":    return "iPhone 4"

            case "iPhone4,1":                 return "iPhone 4S"

            case "iPhone5,1", "iPhone5,2":    return "iPhone 5"

            case "iPhone5,3", "iPhone5,4":    return "iPhone 5C"

            case "iPhone6,1", "iPhone6,2":    return "iPhone 5S"

            case "iPhone7,1":                 return "iPhone 6 Plus"

            case "iPhone7,2":                 return "iPhone 6"

            case "iPhone8,1":                 return "iPhone 6s"

            case "iPhone8,2":                 return "iPhone 6s Plus"

            case "iPhone9,1":                 return "iPhone 7"

            case "iPhone9,2":                 return "iPhone 7 Plus"

            case "iPhone10,1", "iPhone10,4"return "iPhone 8"

            case "iPhone10,2", "iPhone10,5"return "iPhone 8 Plus"

            case "iPhone10,3", "iPhone10,6"return "iPhone X"

            default:                          return deviceString

            }

        } else {

            return nil

        }

    }

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