jquery 地图缩放时禁止父容器滚动条滚动

/**
 * 控制滚动条
 */
$(function(){
    if (document.mozFullScreen !== undefined) {
        var scrollEventType = 'DOMMouseScroll';
    }else {
        var scrollEventType = 'mousewheel';
    }
    $(document).on(scrollEventType,"#mapdiv",function(event){
        event.preventDefault();
    })
});