// 相机权限

func isRightCamera() -> Bool {

    let authStatus = AVCaptureDevice.authorizationStatus(forMediaType: AVMediaTypeVideo)

    return authStatus != .restricted && authStatus != .denied

}

// 相册权限

func isRightPhoto() -> Bool {

    let authStatus = ALAssetsLibrary.authorizationStatus()

    return authStatus != .restricted && authStatus != .denied

}