iOS常用宏定义（Siwft篇）

let SCREEN_HEIGHT = UIScreen.mainScreen().bounds.height
let SCREEN_WIDTH = UIScreen.mainScreen().bounds.width
let FIT_WIDTH = UIScreen.mainScreen().bounds.size.width / 375
let FIT_HEIGHT = UIScreen.mainScreen().bounds.size.height / 667

struct ScreenSize {
    static let height = UIScreen.mainScreen().bounds.height
    static let width  = UIScreen.mainScreen().bounds.width
}

//系统
struct System {
    static let version = UIDevice .currentDevice().systemVersion
}

/// Log
func printLog<T>(message: T,
              file: String = #file,
              method: String = #function,
              line: Int = #line)
{
    #if DEBUG
        print("Log:\((file as NSString).lastPathComponent)[\(line)], \(method): \(message)")
    #endif
}
/// Error
func printError<T>(message: T,
                file: String = #file,
                method: String = #function,
                line: Int = #line)
{
    #if DEBUG
        print("Error:\((file as NSString).lastPathComponent)[\(line)], \(method): \(message)")
    #endif
}

// MARK: - UIView 扩展
extension UIView{
    var x:CGFloat{
        return frame.origin.x
    }
    var y:CGFloat{
        return frame.origin.y
    }
    var width:CGFloat{
        return frame.size.width
    }
    var height:CGFloat{
        return frame.size.height
    }
}

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",
    iPhone7        = "iPhone 7",
    iPhone7plus    = "iPhone 7 Plus",
    Unrecognized   = "unrecognized"
}
extension UIDevice{
    /// 获取当前设备详细类型
    public var deviceModel: DeviceModel{
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8 , value != 0 else { return identifier }
            return identifier + String(UnicodeScalar(UInt8(value)))
        }
        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,
            "iPhone9,1" : .iPhone7,
            "iPhone9,2" : .iPhone7plus
        ]
        if let model = modelMap[identifier] {
            return model
        }
        return DeviceModel.Unrecognized
    }
    /// 判断是不是iPhone
    var isiPhone:Bool{
        return model == "iPhone"
    }
    /// 判断是不是iPad
    var isiPad:Bool{
        return model == "iPad"
    }
}