colvis jquery 列可见性不起作用

Question

请帮我解决问题，js colvis 在我的项目中不起作用。这是来源：

<script type="text/javascript">

    var table;

$(document).ready(function() {

        //datatables
        table = $('#table').DataTable({

            "processing": true, //Feature control the processing indicator.
            "serverSide": true, //Feature control DataTables' server-side processing mode.
            "order": [], //Initial no order.
            // Load data for the table's content from an Ajax source
            "ajax": {
                "url": "<?php echo site_url('customer/ajax_list')?>",
                "type": "POST",
                "data": function (data) {
                    data.salesnama = $('#salesnama').val();
                    data.type = $('#type').val();
                }
            },

            //Set column definition initialisation properties.
            "columnDefs": [
                {
                    "targets": [0], //first column / numbering column
                    "orderable": false, //set not orderable
                },
            ],

        });

    var colvis = new $.fn.dataTable.ColVis(table); //initial colvis
    $('#colvis').html(colvis.button()); //add colvis button to div with id="colvis"

});
</script>

问题是按钮 colvis 没有显示，我认为这段代码与数据表源中的示例相同

此代码查看按钮 colvis

        <div class="col-sm-12">
            <div id="colvis"> tes</div>
        </div>  

Answer 1

我没有看到您包含 buttons 和 dom 选项，应该包含这些选项以使 colvis 起作用，请将其添加到您当前的脚本中：

  dom: 'Bfrtip',
    buttons: [
        'colvis'
    ]

记得包含需要它的库。 这是来自official page 的一个非常基本的示例：

$(document).ready(function() {
  $('#example').DataTable({
    dom: 'Bfrtip',
    buttons: [
      'colvis'
    ]
  });
});

<link href="https://cdn.datatables.net/1.10.16/css/jquery.dataTables.min.css" rel="stylesheet" />
<link href="https://cdn.datatables.net/buttons/1.4.2/css/buttons.dataTables.min.css" rel="stylesheet" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.datatables.net/1.10.16/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.4.2/js/dataTables.buttons.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.4.2/js/buttons.colVis.min.js"></script>
<table id="example" class="display" width="100%" cellspacing="0">
  <thead>
    <tr>
      <th>Name</th>
      <th>Position</th>
      <th>Office</th>
      <th>Age</th>
      <th>Start date</th>
      <th>Salary</th>
    </tr>
  </thead>
  <tfoot>
    <tr>
      <th>Name</th>
      <th>Position</th>
      <th>Office</th>
      <th>Age</th>
      <th>Start date</th>
      <th>Salary</th>
    </tr>
  </tfoot>
  <tbody>
    <tr>
      <td>Tiger Nixon</td>
      <td>System Architect</td>
      <td>Edinburgh</td>
      <td>61</td>
      <td>2011/04/25</td>
      <td>$320,800</td>
    </tr>
    <tr>
      <td>Garrett Winters</td>
      <td>Accountant</td>
      <td>Tokyo</td>
      <td>63</td>
      <td>2011/07/25</td>
      <td>$170,750</td>
    </tr>
    <tr>
      <td>Ashton Cox</td>
      <td>Junior Technical Author</td>
      <td>San Francisco</td>
      <td>66</td>
      <td>2009/01/12</td>
      <td>$86,000</td>
    </tr>
    <tr>
      <td>Cedric Kelly</td>
      <td>Senior Javascript Developer</td>
      <td>Edinburgh</td>
      <td>22</td>
      <td>2012/03/29</td>
      <td>$433,060</td>
    </tr>
    <tr>
      <td>Airi Satou</td>
      <td>Accountant</td>
      <td>Tokyo</td>
      <td>33</td>
      <td>2008/11/28</td>
      <td>$162,700</td>
    </tr>
    <tr>
      <td>Brielle Williamson</td>
      <td>Integration Specialist</td>
      <td>New York</td>
      <td>61</td>
      <td>2012/12/02</td>
      <td>$372,000</td>
    </tr>
    <tr>
      <td>Herrod Chandler</td>
      <td>Sales Assistant</td>
      <td>San Francisco</td>
      <td>59</td>
      <td>2012/08/06</td>
      <td>$137,500</td>
    </tr>
    <tr>
      <td>Rhona Davidson</td>
      <td>Integration Specialist</td>
      <td>Tokyo</td>
      <td>55</td>
      <td>2010/10/14</td>
      <td>$327,900</td>
    </tr>
    <tr>
      <td>Colleen Hurst</td>
      <td>Javascript Developer</td>
      <td>San Francisco</td>
      <td>39</td>
      <td>2009/09/15</td>
      <td>$205,500</td>
    </tr>
    <tr>
      <td>Sonya Frost</td>
      <td>Software Engineer</td>
      <td>Edinburgh</td>
      <td>23</td>
      <td>2008/12/13</td>
      <td>$103,600</td>
    </tr>
    <tr>
      <td>Jena Gaines</td>
      <td>Office Manager</td>
      <td>London</td>
      <td>30</td>
      <td>2008/12/19</td>
      <td>$90,560</td>
    </tr>
    <tr>
      <td>Quinn Flynn</td>
      <td>Support Lead</td>
      <td>Edinburgh</td>
      <td>22</td>
      <td>2013/03/03</td>
      <td>$342,000</td>
    </tr>
  </tbody>
</table>