Layui 弹出层实现表格多选并返回选中数据

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title>文件数据</title>
 <link href="~/Content/Base/layui/css/layui.css" rel="external nofollow" rel="stylesheet" type="text/css" />
 <script src="~/Content/Base/layui/layui.js" type="text/javascript"></script>
 <script src="../../../../Content/Views/js/jquery-1.8.3.min.js" type="text/javascript"></script>
</head>
<body>
<style type="text/css">
  body
  {
   background-color: #F0F0F0;
  }
  #content
  {
   margin-top: 2px;
  }
  #btns
  {
   float:left;
  }
  #btns .layui-btn
  {
   margin-top: 5px;
  }
  #Addbtn
  {
   margin-left: 20px;
  }
  .layui-btn
  {
   background-color: #3385ff;
   width: 120px;
  }
  #datatable
  {
   background-color: White;
   margin-top: 5px;
   clear:both;
  }
  .topbox
  {
   height: 50px;
   background-color: #ffffff;
  }
  .searchbox
  {
   float: right;
   margin-right: 20px;
  }
  .searchinput, .searchbtn
  {
   float: left;
   margin-top: 5px;
  }
  .searchinput
  {
   width: 300px;
   margin-left: 20px;
  }
  .searchbtn button
  {
   width: 80px;
  }
 </style>
  <div id="content">
  <div class="topbox">
  <div class="searchinput">
   <input type="text" name="name" class="layui-input" id="SearchText" />
  </div>
  <div class="searchbtn">
   <button type="button" class="layui-btn" onclick="BtnSearchDataListInfo()">
    搜索</button></div>
  </div>
  <div id="datatable">
   <table id="demo" lay-filter="test" style="height:100%">
   </table>
  </div>
 </div>

 <script type="text/html" id="barDemo">
   <a class="layui-btn-mini" lay-event="Select" style="color:#3385ff">选择</a><span style="color:#3385ff">/</span>
 </script>
 <script type="text/javascript">
  layui.use('form', function () {
   var form = layui.form;
  });
  var table;
  var datas = null;
  function BindData() {
   $.ajax({
    cache: false,
    async: false,
    url: '/ModelList/BindModelListView',
    type: 'get',
    dataType: 'json',
    success: function (data) {
     DataTable(data);
    }, error: function (data) {
     alert(JSON.stringify(data));
    }
   })
  }
  function DataTable(data) {
   layui.use('table', function () {
    table = layui.table;
    window.demoTable = table.render({
     id: 'tempData',
     elem: '#demo',
     data: data,
     cols: [[
       { checkbox: true, title: '全选', width: 33 }
       , { field: 'modelname', title: '名称', width: 260, align: 'left' }
       , { field: 'name', title: '产品', width: 200, align: 'left', templet: '#ProductTpl' }
       , { field: 'version', title: '版本', width: 200, align: 'left' }
        , { field: 'mixname', title: '对象', width: 150, align: 'left' }
       , { field: 'methodsName', title: '方法', width: 150, align: 'right' }
       , { field: 'attributename', title: '属性', width: 180, align: 'left', templet: '#FeaturesTpl' }
     //, { field: 'name', title: '文件', width: 260, align: 'left', templet: '#DataListTpl' }
     //       , { field: 'name', title: '文件', width: 260, align: 'left',templet:'#DataListTpl' }
       , { field: 'ModelListType', title: '类型', width: 150, align: 'left' }
       // , { field: '', title: '操作', width: 300, align: 'center', toolbar: '#barDemo', fixed: 'right' }
         ]],
     height: 500,
     even: true,
     page: true

    });
    //监听工具条
    table.on('tool(test)', function (obj) {
     var data = obj.data;
     if (obj.event === 'Select') {
      alert("select");
     }
    });
   })

  }
  BindData();

  var callbackdata = function () {
   var checkStatus = table.checkStatus('tempData')
   , data = checkStatus.data;
   return data;
  }
 </script>
</body>
</html>

layui.use('layer', function () {
    var layer = layui.layer;
    layer.open({
     cache: false,
     type: 2,
     title: '对比',
     skin: 'layui-layer-tb_125',
     area: ['600px', '250px'],
     content: '../ModelList/ModelMapNodeAttributeContrastForm',
     moveOut: true,
     zIndex: layer.zIndex,
     btn: ['确定', '关闭'],
     yes: function (index) {
      //当点击‘确定'按钮的时候，获取弹出层返回的值
      var resdata = window["layui-layer-iframe" + index].callbackdata();
      //最后关闭弹出层
      layer.close(index);
      layui.use('layer', function () {
       var layer = layui.layer;
       layer.open({
        type: 2,
        title: '查看',
        skin: 'layui-layer-tb_125',
        area: ['600px', '250px'],
        content: '../ModelList/ModelMapNodeAttributeDataForm?ContrastModelId=' + resdata["0"].modelid + '&ContrastModelName=' + resdata["0"].modelname + '&ContrastProductId=' + resdata["0"].productconfigid + '&aaaaaa=1',
        moveOut: true,
        zIndex: layer.zIndex,
        cancel: function (index, layero) {
         layer.close(index);
         return true;
        }, end: function () {

        }
       });
      });


     },
     cancel: function (index) {
      //右上角关闭回调
      layer.close(index);
     }
    });
   });