//获取当前设备
let dev:UIDevice = UIDevice.current
//更新下这几个Label
    deviceNameLabel.text = dev.name
    deviceModelLabel.text = dev.model
    systemNameLabel.text = dev.systemName
    systemVersion.text = dev.systemVersion
//返回电池充电状态
    func batteryState(dev:UIDevice) -> String {
        dev.isBatteryMonitoringEnabled = true;//设置电池是否被监视
        var state = ""
        //判断当前电池状态
        if(dev.batteryState == UIDeviceBatteryState.unknown)
        {
            state = "未知状态"
        }
        else if(dev.batteryState == UIDeviceBatteryState.unplugged)
        {
            state =  "未充电"
        }
        else if(dev.batteryState == UIDeviceBatteryState.charging)
        {
            state =  "正在充电"
        }
        else if(dev.batteryState == UIDeviceBatteryState.full)
        {
            state = "正在充电，电量已满"
        }
        return state
    }
    // 更新Label
    batteryStateLabel.text = batteryState(dev: dev)
    batteryLevel.text = String(dev.batteryLevel)
    

//返回红外状态
    func proximityState(dev:UIDevice) -> String {
        var state = ""
        dev.isProximityMonitoringEnabled = true;
        
        if(dev.proximityState == true)
        {
            state = "红外被遮挡"
        }
        else{
            state = "红外未遮挡"
        }
        return state
    }
//返回设备方向
    func oritentationState() -> String {
        var state = ""
        switch (dev.orientation) {
        case .faceUp:
            state = "屏幕朝上平躺"
        case .faceDown:
            state = "屏幕朝下平躺"
        //倾斜？
        case .unknown:
            state = "未知方向"
        case .landscapeLeft:
            state = "屏幕向左横置"
        case .landscapeRight:
            state = "屏幕向右橫置"
        case .portrait:
            state = "屏幕直立"
        case .portraitUpsideDown:
            state = "屏幕直立，上下顛倒"
        default:
            state = "无法辨识"
            break;
        }
        return state
    }

//更改剪贴板的内容
 UIPasteboard.general.string = "Hello,\(UIDevice.current.name)"
//获取剪贴板的内容
let paste = UIPasteboard.general.string