function navBar(data) {
    var ulHtml = '<ul class="layui-nav layui-nav-tree">';
    for (var i = 0; i < data.length; i++) {
        if (data[i].spread) {
            ulHtml += '<li class="layui-nav-item layui-nav-itemed">';
        } else {
            ulHtml += '<li class="layui-nav-item">';
        }
        if (data[i].subMenuList != undefined && data[i].subMenuList.length > 0) {
            ulHtml += '<a href="javascript:;">';
            if (data[i].ico != undefined && data[i].ico != '') {
                if (data[i].ico - 0 == 0) {
                    data[i].ico = "&nbsp;";
                }
                if (data[i].ico.indexOf("icon-") != -1) {
                    ulHtml += '<i class="iconfont ' + data[i].ico + '" data-icon="' + data[i].ico + '"></i>';
                } else {
                    ulHtml += '<i class="layui-icon" data-icon="' + data[i].ico + '">' + data[i].ico + '</i>';
                }
            }
            ulHtml += '<cite>' + data[i].funName + '</cite>';
            ulHtml += '<span class="layui-nav-more"></span>';
            ulHtml += '</a>'
            ulHtml += '<dl class="layui-nav-child">';
            for (var j = 0; j < data[i].subMenuList.length; j++) {
                ulHtml += '<dd><a href="javascript:;" data-url="' + data[i].subMenuList[j].fileUrl + '?id=' + data[i].subMenuList[j].id + '&ver=' + SYS_VER + '">';
                if (data[i].subMenuList[j].ico != undefined && data[i].subMenuList[j].ico != '') {
                    if (data[i].subMenuList[j].ico - 0 == 0) {
                        data[i].subMenuList[j].ico = "&nbsp;";
                    }
                    if (data[i].subMenuList[j].ico.indexOf("icon-") != -1) {
                        ulHtml += '<i class="iconfont ' + data[i].subMenuList[j].ico + '" data-icon="' + data[i].subMenuList[j].ico + '"></i>';
                    } else {
                        ulHtml += '<i class="layui-icon" data-icon="' + data[i].subMenuList[j].ico + '">' + data[i].subMenuList[j].ico + '</i>';
                    }
                }
                ulHtml += '<cite>' + data[i].subMenuList[j].funName + '</cite></a></dd>';
            }
            ulHtml += "</dl>"
        } else {
            ulHtml += '<a href="javascript:;" data-url="' + data[i].fileUrl + '?id=' + data[i].id + '&ver=' + SYS_VER + '">';
            if (data[i].ico != undefined && data[i].ico != '') {
                if (data[i].ico - 0 == 0) {
                    data[i].ico = "&nbsp;";
                }
                if (data[i].ico.indexOf("icon-") != -1) {
                    ulHtml += '<i class="iconfont ' + data[i].ico + '" data-icon="' + data[i].ico + '"></i>';
                } else {
                    ulHtml += '<i class="layui-icon" data-icon="' + data[i].ico + '">' + data[i].ico + '</i>';
                }
            }
            ulHtml += '<cite>' + data[i].funName + '</cite></a>';
        }
        ulHtml += '</li>'
    }
    ulHtml += '</ul>';
    return ulHtml;
}