//引用鼠标滚轮插件
require('jquery-mousewheel');

// using bind
$('#my_elem').bind('mousewheel', function(event, delta, deltaX, deltaY) {
    if (window.console && console.log) {
         console.log(delta, deltaX, deltaY);
    }
});
// using the event helper
$('#my_elem').mousewheel(function(event, delta, deltaX, deltaY) {
    if (window.console && console.log) {
         console.log(delta, deltaX, deltaY);
    }
});