/**        * 播放圖片        */    function playImage(src) {        if (animaitionFinshed) return;        if (!_imageEl) {            _imageEl = document.createElement('div')            _imageEl.className = `swiper_container`;            _imageEl.style.backgroundImage = `url(${src.url})`;            _imageEl.setAttribute("data-img", src.url);            elContainer.appendChild(_imageEl);        } else {            animaitionFinshed = true;            let width = elContainer.clientWidth, height = elContainer.clientHeight;            let preImage = _imageEl.getAttribute("data-img");            _imageEl.style.backgroundImage = `url(${preImage}),url(${src.url}) `;            _imageEl.style.backgroundPositionX = `center,${width + 20}px`;            setTimeout(() => {                _imageEl.style.transition = "all 0.8s ease";                _imageEl.style.backgroundPositionX = `-${width + 20}px,center`;            }, 0);            setTimeout(() => {                _imageEl.style.transition = "none";                _imageEl.style.backgroundImage = `url(${src.url}) `;                _imageEl.style.backgroundPositionX = `center`;                _imageEl.setAttribute("data-img", src.url)                animaitionFinshed = false;            }, 800)        }    }