$(function () {
    // banner的调用方法
    $('.storageBanner').each(function () {
            var $this = $(this)
            var win_W = $(window).width();
            var w,h;
            var size,imgSrc;
            var $lazy = $this.find(".bannerImg .J-ebg-replace-img-lazyload")
            if(win_W<=768){
                size = $this.data("wap-size");
                if($lazy.length){
                    imgSrc =  $lazy.data("original");
                }else{
                    $lazy = $this.find(".bannerImg .replaceimg")
                    imgSrc =   $lazy.data("wapsrc");
                }
               
            }else{
                size = $this.data("pc-size");
   
                if($lazy.length){
                    imgSrc =  $lazy.data("original");
                }else{
                    $lazy = $this.find(".bannerImg .replaceimg")
                    imgSrc =   $lazy.data("pcsrc");
                }
            }
            if( size && size.indexOf("*")) {
                w = $.trim(size.split("*")[0]);
                h = $.trim(size.split("*")[1]);
                initAdaptiveRotation($this,w,h)
            }else if(imgSrc){
                loagImg(imgSrc,function(width,height){
                    initAdaptiveRotation($this,width,height)
                })
            }
    })
    /**
     * load img get width and height
     */
    function loagImg(src,callback){
        if(src){
            var img = new Image();
            img.onload=function (ev) {
                if(typeof callback=="function"){
                    callback(img.width,img.height,img);
                }
            }
            img.src=src;
        }
    }
    /**
     * init adaptiveRotation
     */

    function initAdaptiveRotation($this,w,h){
        $this.adaptiveRotation({
            autoRotation:!!$this.data("auto-rotation") || $this.data("auto-rotation") == null,
            time:$this.data("auto-time")*1||5000,
            'proportion': w / h,
            'proportionMobile':w / h,
            'Resolution':992
        });
    }

    /*title为空的时候*/
    var $title = $(".storageBanner").find(".banner-text .title")
    var $topTitle = $(".storageBanner").find(".banner-text .top-title")
        if($title.is(":hidden")){
        $title.html($topTitle.html()).show();
        $topTitle.hide();
    }
});