最近在练习使用ace框架，遇到了这个问题，把ace admin 框架应用到springboot项目中，但是使用jqgrid表格插件访问后台数据无法展示，
前端页面连表头都显示不出来。
内容区是用iframe引入其他所需的html页面，但是引入的页面只能展示静态的部分就是标题、说明文字之类的，应用jqgrid写的表格无法展示
请熟悉ace的大神或者遇到过同类问题的小伙伴，指点一二，感谢！
内容区的代码：
<body>
<div class="navbar navbar-default" id="navbar">
<script type="text/javascript">
try{ace.settings.check('navbar' , 'fixed')}catch(e){}
</script>
<div class="main-container" id="main-container">
<script type="text/javascript">
try{ace.settings.check('main-container' , 'fixed')}catch(e){}
</script>
<div class="main-container-inner">
<a class="menu-toggler" id="menu-toggler" href="#">
<span class="menu-text"></span>
</a>
<!-- 左侧栏开始 -->
<div class="sidebar" id="sidebar">
<script type="text/javascript">
try{ace.settings.check('sidebar' , 'fixed')}catch(e){}
</script>
<!--左侧导航栏顶部四个图标-->
<div class="sidebar-shortcuts" id="sidebar-shortcuts">
<div class="sidebar-shortcuts-large" id="sidebar-shortcuts-large">
<button class="btn btn-success">
<i class="icon-signal"></i>
</button>
<button class="btn btn-info">
<i class="icon-pencil"></i>
</button>
<button class="btn btn-warning">
<i class="icon-group"></i>
</button>
<button class="btn btn-danger">
<i class="icon-cogs"></i>
</button>
</div>
<div class="sidebar-shortcuts-mini" id="sidebar-shortcuts-mini">
<span class="btn btn-success"></span>
<span class="btn btn-info"></span>
<span class="btn btn-warning"></span>
<span class="btn btn-danger"></span>
</div>
</div><!-- #sidebar-shortcuts -->
<!-- 展示左侧树信息 菜单名称从数据库读取的-->
<ul class="nav nav-list">
<li class="active">
<a href="/admin/index.html">
<i class="icon-dashboard"></i>
<span class="menu-text"> 首页 </span>
</a>
</li>
<li th:each="menu : ${menus}">
<a th:href="${menu.url}" class="dropdown-toggle">
<i th:class="${menu.icon}"></i>
<span class="menu-text" th:text="${menu.menuName}"></span>
<b class="arrow icon-angle-down" th:if="${not #lists.isEmpty(menu.children)}"></b>
</a>
<ul class="submenu">
<li th:each="cmenu : ${menu.children}">
<a th:href="${cmenu.url}" target="mainFrame">
<i class="icon-double-angle-right"></i>
<span th:text="${cmenu.menuName}"></span>
</a>
</li>
</ul>
</li>
</ul><!-- /.nav-list -->
<div class="sidebar-collapse" id="sidebar-collapse">
<i class="icon-double-angle-left" data-icon1="icon-double-angle-left" data-icon2="icon-double-angle-right"></i>
</div>
<script type="text/javascript">
try{ace.settings.check('sidebar' , 'collapsed')}catch(e){}
</script>
</div>
<!-- /左侧栏结束 -->
<div class="main-content">
<!-- 面包屑导航开始 -->
<div class="breadcrumbs" id="breadcrumbs">
<script type="text/javascript">
try{ace.settings.check('breadcrumbs' , 'fixed')}catch(e){}
</script>
<ul class="breadcrumb">
<li>
<i class="icon-home home-icon"></i>
<a href="#">首页</a>
</li>
<li class="active">控制台</li>
</ul><!-- .breadcrumb -->
<div class="nav-search" id="nav-search">
<form class="form-search">
<span class="input-icon">
<input type="text" placeholder="Search ..." class="nav-search-input" id="nav-search-input" autocomplete="off" />
<i class="icon-search nav-search-icon"></i>
</span>
</form>
</div><!-- #nav-search -->
</div>
<!-- /面包屑导航结束 -->
<!--内容区域-->
<div class="page-content">
<div class="row">
<div class="col-xs-12">
<!-- PAGE CONTENT BEGINS -->
<iframe name="mainFrame" id="mainFrame" frameborder="0" src="/loginDefault" onload="changeFrameHeight()" style="width:100%" scrolling="auto" ></iframe>
<!-- PAGE CONTENT ENDS -->
</div><!-- /.col -->
</div><!-- /.row -->
</div><!-- /.page-content -->
</div><!-- /.main-content -->
<!-- 设置-换肤 -->
<div class="ace-settings-container" id="ace-settings-container">
<div class="btn btn-app btn-xs btn-warning ace-settings-btn" id="ace-settings-btn">
<i class="icon-cog bigger-150"></i>
</div>
<div class="ace-settings-box" id="ace-settings-box">
<div>
<div class="pull-left">
<select id="skin-colorpicker" class="hide">
<option data-skin="default" value="#438EB9">#438EB9</option>
<option data-skin="skin-1" value="#222A2D">#222A2D</option>
<option data-skin="skin-2" value="#C6487E">#C6487E</option>
<option data-skin="skin-3" value="#D0D0D0">#D0D0D0</option>
</select>
</div>
<span> 选择皮肤</span>
</div>
<div>
<input type="checkbox" class="ace ace-checkbox-2" id="ace-settings-navbar" />
<label class="lbl" for="ace-settings-navbar"> 固定导航条</label>
</div>
<div>
<input type="checkbox" class="ace ace-checkbox-2" id="ace-settings-sidebar" />
<label class="lbl" for="ace-settings-sidebar"> 固定滑动条</label>
</div>
<div>
<input type="checkbox" class="ace ace-checkbox-2" id="ace-settings-breadcrumbs" />
<label class="lbl" for="ace-settings-breadcrumbs">固定面包屑</label>
</div>
<div>
<input type="checkbox" class="ace ace-checkbox-2" id="ace-settings-rtl" />
<label class="lbl" for="ace-settings-rtl">切换到左边</label>
</div>
<div>
<input type="checkbox" class="ace ace-checkbox-2" id="ace-settings-add-container" />
<label class="lbl" for="ace-settings-add-container">
切换窄屏
<b></b>
</label>
</div>
</div>
</div><!-- /#ace-settings-container -->
</div><!-- /.main-container-inner -->
https://blog.csdn.net/xiaocainiao_notebook/article/details/80733161?utm_source=blogxgwz7