主导航样式更新：获取网址后进行判断，动态追加class
$(function() { function navaddclass(n) { var _clsname = 'active', _target = '#main-nav'; $(_target ' a').removeClass(_clsname); $(_target ' a:eq("' n '")').addClass(_clsname); } var _url = location.href; _url = _url.toLowerCase(); var _nav = new Array(); _nav[1] = ['/index/company1', '/index/company3', '/index/company4']; _nav[2] = '/product/index'; // _nav[3] = '/project/index/cid/2'; _nav[3] = '/project/index'; _nav[4] = '/article/index'; _nav[5] = ['/video/', '/download/']; _nav[6] = '/index/company5'; // for (var k in _nav) { // if(_url.indexOf(_nav[k]) != -1) navaddclass(k); // } _nav.forEach(function(v, k) {