text: define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {
  
      var Controller = {
          index: function () {
              // 初始化表格参数配置
              Table.api.init({
                  extend: {
                      index_url: 'classroom/index' + location.search,
                      add_url: 'classroom/add',
                      edit_url: 'classroom/edit',
                      del_url: 'classroom/del',
                      multi_url: 'classroom/multi',
                      import_url: 'classroom/import',
                      table: 'classroom',
                  }
              });
  
              var table = $("#table");
  
              // 初始化表格
              table.bootstrapTable({
                  url: $.fn.bootstrapTable.defaults.extend.index_url,
                  pk: 'id',
                  sortName: 'id',
                  columns: [
                      [
                          {checkbox: true},
                          {field: 'id', title: __('Id')},
                          {field: 'title', title: __('Title'), operate: 'LIKE'},
                          {field: 'image', title: __('Image'), operate: false, events: Table.api.events.image, formatter: Table.api.formatter.image},
                          {field: 'createtime', title: __('Createtime'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: Table.api.formatter.datetime},
                          {field: 'updatetime', title: __('Updatetime'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: Table.api.formatter.datetime},
                          {field: 'operate', title: __('Operate'), table: table, events: Table.api.events.operate, formatter: Table.api.formatter.operate,buttons: [
                                  {
                                      name: 'classroom_content',
                                      text: __('查看课堂'),
                                      title: __('查看课堂'),
                                      classname: 'btn btn-xs btn-info btn-addtabs',
                                      url: 'classroom_content/index',
                                      visible: function (row) {
                                          return true;
                                          //返回true时按钮显示,返回false隐藏
                                      },
                                      success:function (data,ret) {
                                          $(".btn-refresh").trigger("click");
                                      }
                                  }
                                  ]
                          }
  
                      ]
                  ]
              });
  
              // 为表格绑定事件
              Table.api.bindevent(table);
          },
          add: function () {
              Controller.api.bindevent();
          },
          edit: function () {
              Controller.api.bindevent();
          },
          api: {
              bindevent: function () {
                  Form.api.bindevent($("form[role=form]"));
              }
          }
      };
      return Controller;
  });