layui点击左侧导航栏,实现不刷新整个页面,只刷新

<div class="layui-side layui-bg-black">
   <div class="layui-side-scroll">
     <!-- 左侧导航区域（可配合layui已有的垂直导航） -->
     <ul class="layui-nav layui-nav-tree" lay-filter="test">
 
       <li class="layui-nav-item layui-nav-itemed Card">
         <a class="" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" >名片审核</a>
       </li>
 
       <li class="layui-nav-item Project">
         <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" >项目审核</a>
       </li>
 
       <li class="layui-nav-item Funds"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" >需求审核</a></li>
     </ul>
   </div>
</div>
<div class="layui-body">
  @RenderBody()
  @RenderSection("scripts", required: false)
</div>

 <script>
    //JavaScript代码区域
    layui.use('element', function () {
      var $ = layui.jquery
        , element = layui.element;     
    });
    $(".Card").click(function () {
      $("#demoAdmin").attr("src", "/Admin/CardManagement")
    });
    $(".Project").click(function () {
      $("#demoAdmin").attr("src", "/Admin/ProjectManagement")
    });
    $(".Funds").click(function () {
      $("#demoAdmin").attr("src", "/Admin/FundsManagement")
    });
  </script>

@{
  Layout = null;
  Layout = "~/Areas/Admin/Views/Shared/_Layout.cshtml";
}
 
<iframe src="/Admin/CardManagement" frameborder="0" id="demoAdmin" style="width: 100%; height: 100%;"></iframe>
 
 
@section scripts{
  <script>
  reHeight();
  $(window).resize(function () {
    reHeight();
  });
  //设置iframe高度
  function reHeight() {
  var bodyHeight = $(window).height();
  bodyHeight = bodyHeight - 107;
  if (bodyHeight<400) {
    bodyHeight = 400;
  }
  $("#demoAdmin").height(bodyHeight);
  }
  </script>