(function(){
    var map = {
        'index' : 0,

        'gift_code' : 1,
        'base_info' : 1,
        'band_phone': 1,
        'unlink_phone': 1,
        
    }
    
    function isSelect(idx){
        var pathname = location.pathname;
        pathname = pathname.split('/')[2];
        return map[pathname] != idx ? '    <li>' : '    <li class="selected">'
    }
    document.write('<div class="menus">');
    document.write('    <ul class="menu_ul">');
    document.write(isSelect(0));
    document.write('           <a href="/xycenter/index/" class="su_nav">首页</a>');
    document.write('       </li>');
    document.write('       <li>');
    document.write('          <a href="/safecenter/index/" class="su_nav has_sub" target="_blank">安全中心<i></i></a>');
    document.write('          <div class="sub_menu">');
    document.write('              <a href="/safecenter/lock_index/" class="sub_nav">安全锁定</a>');
    document.write('              <a href="/safecenter/change_pwd_by_phone/" class="sub_nav">密码管理</a>');
    document.write('              <a href="/safecenter/safe_fdmj/" class="sub_nav">防盗秘籍</a>');
    document.write('          </div>');
    document.write('       </li>');
    document.write('       <li>');
    document.write('           <a href="/callcenter/index/" class="su_nav has_sub" target="_blank">客服中心<i></i></a>');
    document.write('           <div class="sub_menu">');
    document.write('              <a href="/callcenter/self_help/" class="sub_nav" target="_self">自助服务</a>');
    document.write('              <a href="/callcenter/helps/" class="sub_nav">帮助</a>');
    document.write('           </div>');
    document.write('       </li>');
    document.write(isSelect(1));
    document.write('           <a href="/usercenter/gift_code/" class="su_nav">我的帐户</a>');
    document.write('        </li>');
    document.write('   </ul>');
    document.write('</div>');
    document.write('<a href="javascript:;" class="su_logo">');
    document.write('    <img style="width:250px;"src="abc.png" />');
    document.write('</a>');
})();

 另一种方式:

(function(){
    document.write('<div class="links" id="uc_links">');
    document.write('    <div class="link">');
    document.write('        <a href=""><i></i><span>基本资料</span></a>');
    document.write('    </div>');
    document.write('    <div class="link">');
    document.write('        <a href=""><i></i><span>礼包码</span></a>');
    document.write('    </div>');
    document.write('    <div class="link">');
    document.write('        <a href=""><i></i><span>手机绑定</span></a>');
    document.write('    </div>');
    document.write('    <div class="link">');
    document.write('        <a href=""><i></i><span>手机解绑</span></a>');
    document.write('    </div>');
    document.write('</div>');

    var pathname = location.pathname;
    pathname = pathname.split('/')[2];
    var linksCon = document.getElementById('uc_links');
    var links = linksCon.getElementsByTagName('a') , len = links.length;
    if(pathname){
        var sub;
        for(var i=0;i<len;i++){
            if(links[i].getAttribute('href').indexOf(pathname) != -1){
                links[i].parentNode.className = 'link select_page';
            }
        }
    }else{
        links[0].parentNode.className = 'link select_page';
    }
})();