sortable.js 华丽丽的排序

    $("#sortable").sortable({
        opacity:0.8,
        revert:true,
        forceHelperSize:true,
        placeholder: 'draggable-placeholder',
        forcePlaceholderSize:true,
        tolerance:'pointer',
        stop: function( event, ui ) {
            //just for Chrome!!!! so that dropdowns on items don't appear below other items after being moved
            $(ui.item).css('z-index', 'auto');
            $.post(
                "/scheme/sortPointMenu",
                {
                    keyList :$("#sortable").sortable('serialize'),
                    stageId:lvId
                },
                function(response){  
                } 
            );
        }
    });