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/** view 常用属性 */import UIKitclass LYBFrameExtention: UIView {}extension UIView {        var x: CGFloat {        get { return frame.origin.x }        set(newValue) {            var tempFrame: CGRect = frame            tempFrame.origin.x    = newValue            frame                 = tempFrame        }    }        var y: CGFloat {        get { return frame.origin.y }        set(newValue) {            var tempFrame: CGRect = frame            tempFrame.origin.y    = newValue            frame                 = tempFrame        }    }        var height: CGFloat {        get { return frame.size.height }        set(newValue) {            var tempFrame: CGRect = frame            tempFrame.size.height = newValue            frame                 = tempFrame        }    }        var width: CGFloat {        get { return frame.size.width }        set(newValue) {            var tempFrame: CGRect = frame            tempFrame.size.width  = newValue            frame = tempFrame        }    }        var size: CGSize {        get { return frame.size }        set(newValue) {            var tempFrame: CGRect = frame            tempFrame.size        = newValue            frame                 = tempFrame        }    }        var centerX: CGFloat {        get { return center.x }        set(newValue) {            var tempCenter: CGPoint = center            tempCenter.x            = newValue            center                  = tempCenter        }    }        var centerY: CGFloat {        get { return center.y }        set(newValue) {            var tempCenter: CGPoint = center            tempCenter.y            = newValue            center                  = tempCenter;        }    }        var centerRect: CGRect {        return CGRect(x: bounds.midX, y: bounds.midY, width: 0, height: 0)    }    }

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