【问题标题】:How to deal with custom column filtering when using columns reorder使用列重新排序时如何处理自定义列过滤
【发布时间】:2021-11-09 00:23:03
【问题描述】:

我有一个DataTables,它允许用户搜索自定义列,在用户重新排序列之前一切正常。事实上,我也在使用ColumnReorder 插件。

基本上自定义搜索中指定的索引会在列重新排序后发生变化,我该如何解决这个问题?

/* Custom filtering function which will search data in column four between two values */
$.fn.dataTable.ext.search.push(
    function( settings, data, dataIndex ) {
        var min = parseInt( $('#min').val(), 10 );
        var max = parseInt( $('#max').val(), 10 );
        var age = parseFloat( data[3] ) || 0; // use data for the age column
 
        if ( ( isNaN( min ) && isNaN( max ) ) ||
             ( isNaN( min ) && age <= max ) ||
             ( min <= age   && isNaN( max ) ) ||
             ( min <= age   && age <= max ) )
        {
            return true;
        }
        return false;
    }
);
 
$(document).ready(function() {
    var table = $('#example').DataTable({
        colReorder: true
    });
     
    // Event listener to the two range filtering inputs to redraw on input
    $('#min, #max').keyup( function() {
        table.draw();
    } );
} );
<script src="https://code.jquery.com/jquery-3.5.1.js"></script>
<script src="https://cdn.datatables.net/1.11.1/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/colreorder/1.5.4/js/dataTables.colReorder.min.js"></script>


<table border="0" cellspacing="5" cellpadding="5">
        <tbody><tr>
            <td>Minimum age:</td>
            <td><input type="text" id="min" name="min"></td>
        </tr>
        <tr>
            <td>Maximum age:</td>
            <td><input type="text" id="max" name="max"></td>
        </tr>
    </tbody></table>
    <table id="example" class="display" style="width:100%">
        <thead>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </thead>
        <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>
            <tr>
                <td>Charde Marshall</td>
                <td>Regional Director</td>
                <td>San Francisco</td>
                <td>36</td>
                <td>2008/10/16</td>
                <td>$470,600</td>
            </tr>
            <tr>
                <td>Haley Kennedy</td>
                <td>Senior Marketing Designer</td>
                <td>London</td>
                <td>43</td>
                <td>2012/12/18</td>
                <td>$313,500</td>
            </tr>
            <tr>
                <td>Tatyana Fitzpatrick</td>
                <td>Regional Director</td>
                <td>London</td>
                <td>19</td>
                <td>2010/03/17</td>
                <td>$385,750</td>
            </tr>
            <tr>
                <td>Michael Silva</td>
                <td>Marketing Designer</td>
                <td>London</td>
                <td>66</td>
                <td>2012/11/27</td>
                <td>$198,500</td>
            </tr>
            <tr>
                <td>Paul Byrd</td>
                <td>Chief Financial Officer (CFO)</td>
                <td>New York</td>
                <td>64</td>
                <td>2010/06/09</td>
                <td>$725,000</td>
            </tr>
            <tr>
                <td>Gloria Little</td>
                <td>Systems Administrator</td>
                <td>New York</td>
                <td>59</td>
                <td>2009/04/10</td>
                <td>$237,500</td>
            </tr>
            <tr>
                <td>Bradley Greer</td>
                <td>Software Engineer</td>
                <td>London</td>
                <td>41</td>
                <td>2012/10/13</td>
                <td>$132,000</td>
            </tr>
            <tr>
                <td>Dai Rios</td>
                <td>Personnel Lead</td>
                <td>Edinburgh</td>
                <td>35</td>
                <td>2012/09/26</td>
                <td>$217,500</td>
            </tr>
            <tr>
                <td>Jenette Caldwell</td>
                <td>Development Lead</td>
                <td>New York</td>
                <td>30</td>
                <td>2011/09/03</td>
                <td>$345,000</td>
            </tr>
            <tr>
                <td>Yuri Berry</td>
                <td>Chief Marketing Officer (CMO)</td>
                <td>New York</td>
                <td>40</td>
                <td>2009/06/25</td>
                <td>$675,000</td>
            </tr>
            <tr>
                <td>Caesar Vance</td>
                <td>Pre-Sales Support</td>
                <td>New York</td>
                <td>21</td>
                <td>2011/12/12</td>
                <td>$106,450</td>
            </tr>
            <tr>
                <td>Doris Wilder</td>
                <td>Sales Assistant</td>
                <td>Sydney</td>
                <td>23</td>
                <td>2010/09/20</td>
                <td>$85,600</td>
            </tr>
            <tr>
                <td>Angelica Ramos</td>
                <td>Chief Executive Officer (CEO)</td>
                <td>London</td>
                <td>47</td>
                <td>2009/10/09</td>
                <td>$1,200,000</td>
            </tr>
            <tr>
                <td>Gavin Joyce</td>
                <td>Developer</td>
                <td>Edinburgh</td>
                <td>42</td>
                <td>2010/12/22</td>
                <td>$92,575</td>
            </tr>
            <tr>
                <td>Jennifer Chang</td>
                <td>Regional Director</td>
                <td>Singapore</td>
                <td>28</td>
                <td>2010/11/14</td>
                <td>$357,650</td>
            </tr>
            <tr>
                <td>Brenden Wagner</td>
                <td>Software Engineer</td>
                <td>San Francisco</td>
                <td>28</td>
                <td>2011/06/07</td>
                <td>$206,850</td>
            </tr>
            <tr>
                <td>Fiona Green</td>
                <td>Chief Operating Officer (COO)</td>
                <td>San Francisco</td>
                <td>48</td>
                <td>2010/03/11</td>
                <td>$850,000</td>
            </tr>
            <tr>
                <td>Shou Itou</td>
                <td>Regional Marketing</td>
                <td>Tokyo</td>
                <td>20</td>
                <td>2011/08/14</td>
                <td>$163,000</td>
            </tr>
            <tr>
                <td>Michelle House</td>
                <td>Integration Specialist</td>
                <td>Sydney</td>
                <td>37</td>
                <td>2011/06/02</td>
                <td>$95,400</td>
            </tr>
            <tr>
                <td>Suki Burks</td>
                <td>Developer</td>
                <td>London</td>
                <td>53</td>
                <td>2009/10/22</td>
                <td>$114,500</td>
            </tr>
            <tr>
                <td>Prescott Bartlett</td>
                <td>Technical Author</td>
                <td>London</td>
                <td>27</td>
                <td>2011/05/07</td>
                <td>$145,000</td>
            </tr>
            <tr>
                <td>Gavin Cortez</td>
                <td>Team Leader</td>
                <td>San Francisco</td>
                <td>22</td>
                <td>2008/10/26</td>
                <td>$235,500</td>
            </tr>
            <tr>
                <td>Martena Mccray</td>
                <td>Post-Sales support</td>
                <td>Edinburgh</td>
                <td>46</td>
                <td>2011/03/09</td>
                <td>$324,050</td>
            </tr>
            <tr>
                <td>Unity Butler</td>
                <td>Marketing Designer</td>
                <td>San Francisco</td>
                <td>47</td>
                <td>2009/12/09</td>
                <td>$85,675</td>
            </tr>
            <tr>
                <td>Howard Hatfield</td>
                <td>Office Manager</td>
                <td>San Francisco</td>
                <td>51</td>
                <td>2008/12/16</td>
                <td>$164,500</td>
            </tr>
            <tr>
                <td>Hope Fuentes</td>
                <td>Secretary</td>
                <td>San Francisco</td>
                <td>41</td>
                <td>2010/02/12</td>
                <td>$109,850</td>
            </tr>
            <tr>
                <td>Vivian Harrell</td>
                <td>Financial Controller</td>
                <td>San Francisco</td>
                <td>62</td>
                <td>2009/02/14</td>
                <td>$452,500</td>
            </tr>
            <tr>
                <td>Timothy Mooney</td>
                <td>Office Manager</td>
                <td>London</td>
                <td>37</td>
                <td>2008/12/11</td>
                <td>$136,200</td>
            </tr>
            <tr>
                <td>Jackson Bradshaw</td>
                <td>Director</td>
                <td>New York</td>
                <td>65</td>
                <td>2008/09/26</td>
                <td>$645,750</td>
            </tr>
            <tr>
                <td>Olivia Liang</td>
                <td>Support Engineer</td>
                <td>Singapore</td>
                <td>64</td>
                <td>2011/02/03</td>
                <td>$234,500</td>
            </tr>
            <tr>
                <td>Bruno Nash</td>
                <td>Software Engineer</td>
                <td>London</td>
                <td>38</td>
                <td>2011/05/03</td>
                <td>$163,500</td>
            </tr>
            <tr>
                <td>Sakura Yamamoto</td>
                <td>Support Engineer</td>
                <td>Tokyo</td>
                <td>37</td>
                <td>2009/08/19</td>
                <td>$139,575</td>
            </tr>
            <tr>
                <td>Thor Walton</td>
                <td>Developer</td>
                <td>New York</td>
                <td>61</td>
                <td>2013/08/11</td>
                <td>$98,540</td>
            </tr>
            <tr>
                <td>Finn Camacho</td>
                <td>Support Engineer</td>
                <td>San Francisco</td>
                <td>47</td>
                <td>2009/07/07</td>
                <td>$87,500</td>
            </tr>
            <tr>
                <td>Serge Baldwin</td>
                <td>Data Coordinator</td>
                <td>Singapore</td>
                <td>64</td>
                <td>2012/04/09</td>
                <td>$138,575</td>
            </tr>
            <tr>
                <td>Zenaida Frank</td>
                <td>Software Engineer</td>
                <td>New York</td>
                <td>63</td>
                <td>2010/01/04</td>
                <td>$125,250</td>
            </tr>
            <tr>
                <td>Zorita Serrano</td>
                <td>Software Engineer</td>
                <td>San Francisco</td>
                <td>56</td>
                <td>2012/06/01</td>
                <td>$115,000</td>
            </tr>
            <tr>
                <td>Jennifer Acosta</td>
                <td>Junior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>43</td>
                <td>2013/02/01</td>
                <td>$75,650</td>
            </tr>
            <tr>
                <td>Cara Stevens</td>
                <td>Sales Assistant</td>
                <td>New York</td>
                <td>46</td>
                <td>2011/12/06</td>
                <td>$145,600</td>
            </tr>
            <tr>
                <td>Hermione Butler</td>
                <td>Regional Director</td>
                <td>London</td>
                <td>47</td>
                <td>2011/03/21</td>
                <td>$356,250</td>
            </tr>
            <tr>
                <td>Lael Greer</td>
                <td>Systems Administrator</td>
                <td>London</td>
                <td>21</td>
                <td>2009/02/27</td>
                <td>$103,500</td>
            </tr>
            <tr>
                <td>Jonas Alexander</td>
                <td>Developer</td>
                <td>San Francisco</td>
                <td>30</td>
                <td>2010/07/14</td>
                <td>$86,500</td>
            </tr>
            <tr>
                <td>Shad Decker</td>
                <td>Regional Director</td>
                <td>Edinburgh</td>
                <td>51</td>
                <td>2008/11/13</td>
                <td>$183,000</td>
            </tr>
            <tr>
                <td>Michael Bruce</td>
                <td>Javascript Developer</td>
                <td>Singapore</td>
                <td>29</td>
                <td>2011/06/27</td>
                <td>$183,000</td>
            </tr>
            <tr>
                <td>Donna Snider</td>
                <td>Customer Support</td>
                <td>New York</td>
                <td>27</td>
                <td>2011/01/25</td>
                <td>$112,000</td>
            </tr>
        </tbody>
        <tfoot>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </tfoot>
    </table>

如您所见,如果您移动年龄列,然后尝试搜索年龄,无论过滤正确,索引错误,都不会返回任何结果。

【问题讨论】:

    标签: javascript jquery datatables


    【解决方案1】:

    您可以使用settings 对象中的数据跟踪age 列的原始位置 - 特别是存储在每列对象settings.aoColumns 数组中的_ColReorder_iOrigCol 值。您可以将此值与 current 列索引进行比较,以确定您需要在过滤器中使用的索引:

    var newIdx = settings.aoColumns.filter(column => column._ColReorder_iOrigCol === 3)[0].idx;
    

    这会查找 3 的“原始”列索引值并返回该列的“当前”索引。

    您可以按如下方式使用上述内容:

    $(document).ready(function() {
    
    /* Custom filtering function which will search data in column four between two values */
    $.fn.dataTable.ext.search.push(
        function( settings, data, dataIndex ) {
            var newIdx = settings.aoColumns.filter(column => column._ColReorder_iOrigCol === 3)[0].idx;
    
            var min = parseInt( $('#min').val(), 10 );
            var max = parseInt( $('#max').val(), 10 );
            var age = parseFloat( data[newIdx] ) || 0; // use data for the age column
     
            if ( ( isNaN( min ) && isNaN( max ) ) ||
                 ( isNaN( min ) && age <= max ) ||
                 ( min <= age   && isNaN( max ) ) ||
                 ( min <= age   && age <= max ) )
            {
                return true;
            }
            return false;
        }
    );
     
    
        var table = $('#example').DataTable({
            colReorder: true
        });
         
        // Event listener to the two range filtering inputs to redraw on input
        $('#min, #max').keyup( function() {
            table.draw();
        } );
    } );
    <!doctype html>
    <html>
    <head>
      <meta charset="UTF-8">
      <title>Demo</title>
      <script src="https://code.jquery.com/jquery-3.5.1.js"></script>
      <script src="https://cdn.datatables.net/1.11.1/js/jquery.dataTables.min.js"></script>
      <script src="https://cdn.datatables.net/colreorder/1.5.4/js/dataTables.colReorder.min.js"></script>
      <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.11.1/css/jquery.dataTables.css">
      <link rel="stylesheet" type="text/css" href="https://datatables.net/media/css/site-examples.css">
    
    </head>
    
    <body>
    
    <div style="margin: 20px;">
    
    
        <table border="0" cellspacing="5" cellpadding="5">
            <tbody>
                <tr>
                    <td>Minimum age:</td>
                    <td><input type="text" id="min" name="min"></td>
                </tr>
                <tr>
                    <td>Maximum age:</td>
                    <td><input type="text" id="max" name="max"></td>
                </tr>
            </tbody>
        </table>
    
        <table id="example" class="display" style="width:100%">
            <thead>
                <tr>
                    <th>Name</th>
                    <th>Position</th>
                    <th>Office</th>
                    <th>Age</th>
                    <th>Start date</th>
                    <th>Salary</th>
                </tr>
            </thead>
            <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>
                <tr>
                    <td>Charde Marshall</td>
                    <td>Regional Director</td>
                    <td>San Francisco</td>
                    <td>36</td>
                    <td>2008/10/16</td>
                    <td>$470,600</td>
                </tr>
                <tr>
                    <td>Haley Kennedy</td>
                    <td>Senior Marketing Designer</td>
                    <td>London</td>
                    <td>43</td>
                    <td>2012/12/18</td>
                    <td>$313,500</td>
                </tr>
                <tr>
                    <td>Tatyana Fitzpatrick</td>
                    <td>Regional Director</td>
                    <td>London</td>
                    <td>19</td>
                    <td>2010/03/17</td>
                    <td>$385,750</td>
                </tr>
                <tr>
                    <td>Michael Silva</td>
                    <td>Marketing Designer</td>
                    <td>London</td>
                    <td>66</td>
                    <td>2012/11/27</td>
                    <td>$198,500</td>
                </tr>
                <tr>
                    <td>Paul Byrd</td>
                    <td>Chief Financial Officer (CFO)</td>
                    <td>New York</td>
                    <td>64</td>
                    <td>2010/06/09</td>
                    <td>$725,000</td>
                </tr>
                <tr>
                    <td>Gloria Little</td>
                    <td>Systems Administrator</td>
                    <td>New York</td>
                    <td>59</td>
                    <td>2009/04/10</td>
                    <td>$237,500</td>
                </tr>
                <tr>
                    <td>Bradley Greer</td>
                    <td>Software Engineer</td>
                    <td>London</td>
                    <td>41</td>
                    <td>2012/10/13</td>
                    <td>$132,000</td>
                </tr>
                <tr>
                    <td>Dai Rios</td>
                    <td>Personnel Lead</td>
                    <td>Edinburgh</td>
                    <td>35</td>
                    <td>2012/09/26</td>
                    <td>$217,500</td>
                </tr>
                <tr>
                    <td>Jenette Caldwell</td>
                    <td>Development Lead</td>
                    <td>New York</td>
                    <td>30</td>
                    <td>2011/09/03</td>
                    <td>$345,000</td>
                </tr>
                <tr>
                    <td>Yuri Berry</td>
                    <td>Chief Marketing Officer (CMO)</td>
                    <td>New York</td>
                    <td>40</td>
                    <td>2009/06/25</td>
                    <td>$675,000</td>
                </tr>
                <tr>
                    <td>Caesar Vance</td>
                    <td>Pre-Sales Support</td>
                    <td>New York</td>
                    <td>21</td>
                    <td>2011/12/12</td>
                    <td>$106,450</td>
                </tr>
                <tr>
                    <td>Doris Wilder</td>
                    <td>Sales Assistant</td>
                    <td>Sydney</td>
                    <td>23</td>
                    <td>2010/09/20</td>
                    <td>$85,600</td>
                </tr>
                <tr>
                    <td>Angelica Ramos</td>
                    <td>Chief Executive Officer (CEO)</td>
                    <td>London</td>
                    <td>47</td>
                    <td>2009/10/09</td>
                    <td>$1,200,000</td>
                </tr>
                <tr>
                    <td>Gavin Joyce</td>
                    <td>Developer</td>
                    <td>Edinburgh</td>
                    <td>42</td>
                    <td>2010/12/22</td>
                    <td>$92,575</td>
                </tr>
                <tr>
                    <td>Jennifer Chang</td>
                    <td>Regional Director</td>
                    <td>Singapore</td>
                    <td>28</td>
                    <td>2010/11/14</td>
                    <td>$357,650</td>
                </tr>
                <tr>
                    <td>Brenden Wagner</td>
                    <td>Software Engineer</td>
                    <td>San Francisco</td>
                    <td>28</td>
                    <td>2011/06/07</td>
                    <td>$206,850</td>
                </tr>
                <tr>
                    <td>Fiona Green</td>
                    <td>Chief Operating Officer (COO)</td>
                    <td>San Francisco</td>
                    <td>48</td>
                    <td>2010/03/11</td>
                    <td>$850,000</td>
                </tr>
                <tr>
                    <td>Shou Itou</td>
                    <td>Regional Marketing</td>
                    <td>Tokyo</td>
                    <td>20</td>
                    <td>2011/08/14</td>
                    <td>$163,000</td>
                </tr>
                <tr>
                    <td>Michelle House</td>
                    <td>Integration Specialist</td>
                    <td>Sydney</td>
                    <td>37</td>
                    <td>2011/06/02</td>
                    <td>$95,400</td>
                </tr>
                <tr>
                    <td>Suki Burks</td>
                    <td>Developer</td>
                    <td>London</td>
                    <td>53</td>
                    <td>2009/10/22</td>
                    <td>$114,500</td>
                </tr>
                <tr>
                    <td>Prescott Bartlett</td>
                    <td>Technical Author</td>
                    <td>London</td>
                    <td>27</td>
                    <td>2011/05/07</td>
                    <td>$145,000</td>
                </tr>
                <tr>
                    <td>Gavin Cortez</td>
                    <td>Team Leader</td>
                    <td>San Francisco</td>
                    <td>22</td>
                    <td>2008/10/26</td>
                    <td>$235,500</td>
                </tr>
                <tr>
                    <td>Martena Mccray</td>
                    <td>Post-Sales support</td>
                    <td>Edinburgh</td>
                    <td>46</td>
                    <td>2011/03/09</td>
                    <td>$324,050</td>
                </tr>
                <tr>
                    <td>Unity Butler</td>
                    <td>Marketing Designer</td>
                    <td>San Francisco</td>
                    <td>47</td>
                    <td>2009/12/09</td>
                    <td>$85,675</td>
                </tr>
                <tr>
                    <td>Howard Hatfield</td>
                    <td>Office Manager</td>
                    <td>San Francisco</td>
                    <td>51</td>
                    <td>2008/12/16</td>
                    <td>$164,500</td>
                </tr>
                <tr>
                    <td>Hope Fuentes</td>
                    <td>Secretary</td>
                    <td>San Francisco</td>
                    <td>41</td>
                    <td>2010/02/12</td>
                    <td>$109,850</td>
                </tr>
                <tr>
                    <td>Vivian Harrell</td>
                    <td>Financial Controller</td>
                    <td>San Francisco</td>
                    <td>62</td>
                    <td>2009/02/14</td>
                    <td>$452,500</td>
                </tr>
                <tr>
                    <td>Timothy Mooney</td>
                    <td>Office Manager</td>
                    <td>London</td>
                    <td>37</td>
                    <td>2008/12/11</td>
                    <td>$136,200</td>
                </tr>
                <tr>
                    <td>Jackson Bradshaw</td>
                    <td>Director</td>
                    <td>New York</td>
                    <td>65</td>
                    <td>2008/09/26</td>
                    <td>$645,750</td>
                </tr>
                <tr>
                    <td>Olivia Liang</td>
                    <td>Support Engineer</td>
                    <td>Singapore</td>
                    <td>64</td>
                    <td>2011/02/03</td>
                    <td>$234,500</td>
                </tr>
                <tr>
                    <td>Bruno Nash</td>
                    <td>Software Engineer</td>
                    <td>London</td>
                    <td>38</td>
                    <td>2011/05/03</td>
                    <td>$163,500</td>
                </tr>
                <tr>
                    <td>Sakura Yamamoto</td>
                    <td>Support Engineer</td>
                    <td>Tokyo</td>
                    <td>37</td>
                    <td>2009/08/19</td>
                    <td>$139,575</td>
                </tr>
                <tr>
                    <td>Thor Walton</td>
                    <td>Developer</td>
                    <td>New York</td>
                    <td>61</td>
                    <td>2013/08/11</td>
                    <td>$98,540</td>
                </tr>
                <tr>
                    <td>Finn Camacho</td>
                    <td>Support Engineer</td>
                    <td>San Francisco</td>
                    <td>47</td>
                    <td>2009/07/07</td>
                    <td>$87,500</td>
                </tr>
                <tr>
                    <td>Serge Baldwin</td>
                    <td>Data Coordinator</td>
                    <td>Singapore</td>
                    <td>64</td>
                    <td>2012/04/09</td>
                    <td>$138,575</td>
                </tr>
                <tr>
                    <td>Zenaida Frank</td>
                    <td>Software Engineer</td>
                    <td>New York</td>
                    <td>63</td>
                    <td>2010/01/04</td>
                    <td>$125,250</td>
                </tr>
                <tr>
                    <td>Zorita Serrano</td>
                    <td>Software Engineer</td>
                    <td>San Francisco</td>
                    <td>56</td>
                    <td>2012/06/01</td>
                    <td>$115,000</td>
                </tr>
                <tr>
                    <td>Jennifer Acosta</td>
                    <td>Junior Javascript Developer</td>
                    <td>Edinburgh</td>
                    <td>43</td>
                    <td>2013/02/01</td>
                    <td>$75,650</td>
                </tr>
                <tr>
                    <td>Cara Stevens</td>
                    <td>Sales Assistant</td>
                    <td>New York</td>
                    <td>46</td>
                    <td>2011/12/06</td>
                    <td>$145,600</td>
                </tr>
                <tr>
                    <td>Hermione Butler</td>
                    <td>Regional Director</td>
                    <td>London</td>
                    <td>47</td>
                    <td>2011/03/21</td>
                    <td>$356,250</td>
                </tr>
                <tr>
                    <td>Lael Greer</td>
                    <td>Systems Administrator</td>
                    <td>London</td>
                    <td>21</td>
                    <td>2009/02/27</td>
                    <td>$103,500</td>
                </tr>
                <tr>
                    <td>Jonas Alexander</td>
                    <td>Developer</td>
                    <td>San Francisco</td>
                    <td>30</td>
                    <td>2010/07/14</td>
                    <td>$86,500</td>
                </tr>
                <tr>
                    <td>Shad Decker</td>
                    <td>Regional Director</td>
                    <td>Edinburgh</td>
                    <td>51</td>
                    <td>2008/11/13</td>
                    <td>$183,000</td>
                </tr>
                <tr>
                    <td>Michael Bruce</td>
                    <td>Javascript Developer</td>
                    <td>Singapore</td>
                    <td>29</td>
                    <td>2011/06/27</td>
                    <td>$183,000</td>
                </tr>
                <tr>
                    <td>Donna Snider</td>
                    <td>Customer Support</td>
                    <td>New York</td>
                    <td>27</td>
                    <td>2011/01/25</td>
                    <td>$112,000</td>
                </tr>
            </tbody>
            <tfoot>
                <tr>
                    <th>Name</th>
                    <th>Position</th>
                    <th>Office</th>
                    <th>Age</th>
                    <th>Start date</th>
                    <th>Salary</th>
                </tr>
            </tfoot>
        </table>
    
    </div>
    
    
    </body>
    </html>

    添加上述索引定位器后,需要将data[3]改为data[newIdx]


    这样做的一个缺点是它会为每一行重新计算年龄列的“新”位置,因此使用这种方法会执行不必​​要的工作。

    如果这是一个性能问题,我会感到惊讶。但在这种情况下,您可以考虑另一种选择,即使用column-reorder 事件来跟踪对列排序的更改。你可以看一个例子here

    我没有针对您的具体情况使用这种方法,但它应该可以工作,并进行一些调整。

    【讨论】:

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