添加索引列

这个例子演示了在表格每一列加上索引

Name Position Office Age Salary
Name Position Office Age Salary
Tiger Nixon System Architect Edinburgh 61 $320,800
Garrett Winters Accountant Tokyo 63 $170,750
Ashton Cox Junior Technical Author San Francisco 66 $86,000
Cedric Kelly Senior Javascript Developer Edinburgh 22 $433,060
Airi Satou Accountant Tokyo 33 $162,700
Brielle Williamson Integration Specialist New York 61 $372,000
Herrod Chandler Sales Assistant San Francisco 59 $137,500
Rhona Davidson Integration Specialist Tokyo 55 $327,900
Colleen Hurst Javascript Developer San Francisco 39 $205,500
Sonya Frost Software Engineer Edinburgh 23 $103,600
Jena Gaines Office Manager London 30 $90,560
Quinn Flynn Support Lead Edinburgh 22 $342,000
Charde Marshall Regional Director San Francisco 36 $470,600
Haley Kennedy Senior Marketing Designer London 43 $313,500
Tatyana Fitzpatrick Regional Director London 19 $385,750
Michael Silva Marketing Designer London 66 $198,500
Paul Byrd Chief Financial Officer (CFO) New York 64 $725,000
Gloria Little Systems Administrator New York 59 $237,500
Bradley Greer Software Engineer London 41 $132,000
Dai Rios Personnel Lead Edinburgh 35 $217,500
Jenette Caldwell Development Lead New York 30 $345,000
Yuri Berry Chief Marketing Officer (CMO) New York 40 $675,000
Caesar Vance Pre-Sales Support New York 21 $106,450
Doris Wilder Sales Assistant Sidney 23 $85,600
Angelica Ramos Chief Executive Officer (CEO) London 47 $1,200,000
Gavin Joyce Developer Edinburgh 42 $92,575
Jennifer Chang Regional Director Singapore 28 $357,650
Brenden Wagner Software Engineer San Francisco 28 $206,850
Fiona Green Chief Operating Officer (COO) San Francisco 48 $850,000
Shou Itou Regional Marketing Tokyo 20 $163,000
Michelle House Integration Specialist Sidney 37 $95,400
Suki Burks Developer London 53 $114,500
Prescott Bartlett Technical Author London 27 $145,000
Gavin Cortez Team Leader San Francisco 22 $235,500
Martena Mccray Post-Sales support Edinburgh 46 $324,050
Unity Butler Marketing Designer San Francisco 47 $85,675
Howard Hatfield Office Manager San Francisco 51 $164,500
Hope Fuentes Secretary San Francisco 41 $109,850
Vivian Harrell Financial Controller San Francisco 62 $452,500
Timothy Mooney Office Manager London 37 $136,200
Jackson Bradshaw Director New York 65 $645,750
Olivia Liang Support Engineer Singapore 64 $234,500
Bruno Nash Software Engineer London 38 $163,500
Sakura Yamamoto Support Engineer Tokyo 37 $139,575
Thor Walton Developer New York 61 $98,540
Finn Camacho Support Engineer San Francisco 47 $87,500
Serge Baldwin Data Coordinator Singapore 64 $138,575
Zenaida Frank Software Engineer New York 63 $125,250
Zorita Serrano Software Engineer San Francisco 56 $115,000
Jennifer Acosta Junior Javascript Developer Edinburgh 43 $75,650
Cara Stevens Sales Assistant New York 46 $145,600
Hermione Butler Regional Director London 47 $356,250
Lael Greer Systems Administrator London 21 $103,500
Jonas Alexander Developer San Francisco 30 $86,500
Shad Decker Regional Director Edinburgh 51 $183,000
Michael Bruce Javascript Developer Singapore 29 $183,000
Donna Snider Customer Support New York 27 $112,000
$(document).ready(function() {
    var t = $('#example').DataTable({
        "columnDefs": [{
            "searchable": false,
            "orderable": false,
            "targets": 0
        }],
        "order": [[1, 'asc']]
    });
    t.on('order.dt search.dt',
    function() {
        t.column(0, {
            search: 'applied',
            order: 'applied'
        }).nodes().each(function(cell, i) {
            cell.innerHTML = i + 1;
        });
    }).draw();
});
<table id="example" class="display" cellspacing="0" width="100%">
   <thead>
    <tr>
     <th></th>
     <th>Name</th>
     <th>Position</th>
     <th>Office</th>
     <th>Age</th>
     <th>Salary</th>
    </tr>
   </thead>
   <tfoot>
    <tr>
     <th></th>
     <th>Name</th>
     <th>Position</th>
     <th>Office</th>
     <th>Age</th>
     <th>Salary</th>
    </tr>
   </tfoot>
   <tbody>
    <tr>
     <td></td>
     <td>Tiger Nixon</td>
     <td>System Architect</td>
     <td>Edinburgh</td>
     <td>61</td>
     <td>$320,800</td>
    </tr>
    <tr>
     <td></td>
     <td>Garrett Winters</td>
     <td>Accountant</td>
     <td>Tokyo</td>
     <td>63</td>
     <td>$170,750</td>
    </tr>
    <tr>
     <td></td>
     <td>Ashton Cox</td>
     <td>Junior Technical Author</td>
     <td>San Francisco</td>
     <td>66</td>
     <td>$86,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Cedric Kelly</td>
     <td>Senior Javascript Developer</td>
     <td>Edinburgh</td>
     <td>22</td>
     <td>$433,060</td>
    </tr>
    <tr>
     <td></td>
     <td>Airi Satou</td>
     <td>Accountant</td>
     <td>Tokyo</td>
     <td>33</td>
     <td>$162,700</td>
    </tr>
    <tr>
     <td></td>
     <td>Brielle Williamson</td>
     <td>Integration Specialist</td>
     <td>New York</td>
     <td>61</td>
     <td>$372,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Herrod Chandler</td>
     <td>Sales Assistant</td>
     <td>San Francisco</td>
     <td>59</td>
     <td>$137,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Rhona Davidson</td>
     <td>Integration Specialist</td>
     <td>Tokyo</td>
     <td>55</td>
     <td>$327,900</td>
    </tr>
    <tr>
     <td></td>
     <td>Colleen Hurst</td>
     <td>Javascript Developer</td>
     <td>San Francisco</td>
     <td>39</td>
     <td>$205,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Sonya Frost</td>
     <td>Software Engineer</td>
     <td>Edinburgh</td>
     <td>23</td>
     <td>$103,600</td>
    </tr>
    <tr>
     <td></td>
     <td>Jena Gaines</td>
     <td>Office Manager</td>
     <td>London</td>
     <td>30</td>
     <td>$90,560</td>
    </tr>
    <tr>
     <td></td>
     <td>Quinn Flynn</td>
     <td>Support Lead</td>
     <td>Edinburgh</td>
     <td>22</td>
     <td>$342,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Charde Marshall</td>
     <td>Regional Director</td>
     <td>San Francisco</td>
     <td>36</td>
     <td>$470,600</td>
    </tr>
    <tr>
     <td></td>
     <td>Haley Kennedy</td>
     <td>Senior Marketing Designer</td>
     <td>London</td>
     <td>43</td>
     <td>$313,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Tatyana Fitzpatrick</td>
     <td>Regional Director</td>
     <td>London</td>
     <td>19</td>
     <td>$385,750</td>
    </tr>
    <tr>
     <td></td>
     <td>Michael Silva</td>
     <td>Marketing Designer</td>
     <td>London</td>
     <td>66</td>
     <td>$198,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Paul Byrd</td>
     <td>Chief Financial Officer (CFO)</td>
     <td>New York</td>
     <td>64</td>
     <td>$725,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Gloria Little</td>
     <td>Systems Administrator</td>
     <td>New York</td>
     <td>59</td>
     <td>$237,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Bradley Greer</td>
     <td>Software Engineer</td>
     <td>London</td>
     <td>41</td>
     <td>$132,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Dai Rios</td>
     <td>Personnel Lead</td>
     <td>Edinburgh</td>
     <td>35</td>
     <td>$217,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Jenette Caldwell</td>
     <td>Development Lead</td>
     <td>New York</td>
     <td>30</td>
     <td>$345,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Yuri Berry</td>
     <td>Chief Marketing Officer (CMO)</td>
     <td>New York</td>
     <td>40</td>
     <td>$675,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Caesar Vance</td>
     <td>Pre-Sales Support</td>
     <td>New York</td>
     <td>21</td>
     <td>$106,450</td>
    </tr>
    <tr>
     <td></td>
     <td>Doris Wilder</td>
     <td>Sales Assistant</td>
     <td>Sidney</td>
     <td>23</td>
     <td>$85,600</td>
    </tr>
    <tr>
     <td></td>
     <td>Angelica Ramos</td>
     <td>Chief Executive Officer (CEO)</td>
     <td>London</td>
     <td>47</td>
     <td>$1,200,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Gavin Joyce</td>
     <td>Developer</td>
     <td>Edinburgh</td>
     <td>42</td>
     <td>$92,575</td>
    </tr>
    <tr>
     <td></td>
     <td>Jennifer Chang</td>
     <td>Regional Director</td>
     <td>Singapore</td>
     <td>28</td>
     <td>$357,650</td>
    </tr>
    <tr>
     <td></td>
     <td>Brenden Wagner</td>
     <td>Software Engineer</td>
     <td>San Francisco</td>
     <td>28</td>
     <td>$206,850</td>
    </tr>
    <tr>
     <td></td>
     <td>Fiona Green</td>
     <td>Chief Operating Officer (COO)</td>
     <td>San Francisco</td>
     <td>48</td>
     <td>$850,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Shou Itou</td>
     <td>Regional Marketing</td>
     <td>Tokyo</td>
     <td>20</td>
     <td>$163,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Michelle House</td>
     <td>Integration Specialist</td>
     <td>Sidney</td>
     <td>37</td>
     <td>$95,400</td>
    </tr>
    <tr>
     <td></td>
     <td>Suki Burks</td>
     <td>Developer</td>
     <td>London</td>
     <td>53</td>
     <td>$114,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Prescott Bartlett</td>
     <td>Technical Author</td>
     <td>London</td>
     <td>27</td>
     <td>$145,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Gavin Cortez</td>
     <td>Team Leader</td>
     <td>San Francisco</td>
     <td>22</td>
     <td>$235,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Martena Mccray</td>
     <td>Post-Sales support</td>
     <td>Edinburgh</td>
     <td>46</td>
     <td>$324,050</td>
    </tr>
    <tr>
     <td></td>
     <td>Unity Butler</td>
     <td>Marketing Designer</td>
     <td>San Francisco</td>
     <td>47</td>
     <td>$85,675</td>
    </tr>
    <tr>
     <td></td>
     <td>Howard Hatfield</td>
     <td>Office Manager</td>
     <td>San Francisco</td>
     <td>51</td>
     <td>$164,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Hope Fuentes</td>
     <td>Secretary</td>
     <td>San Francisco</td>
     <td>41</td>
     <td>$109,850</td>
    </tr>
    <tr>
     <td></td>
     <td>Vivian Harrell</td>
     <td>Financial Controller</td>
     <td>San Francisco</td>
     <td>62</td>
     <td>$452,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Timothy Mooney</td>
     <td>Office Manager</td>
     <td>London</td>
     <td>37</td>
     <td>$136,200</td>
    </tr>
    <tr>
     <td></td>
     <td>Jackson Bradshaw</td>
     <td>Director</td>
     <td>New York</td>
     <td>65</td>
     <td>$645,750</td>
    </tr>
    <tr>
     <td></td>
     <td>Olivia Liang</td>
     <td>Support Engineer</td>
     <td>Singapore</td>
     <td>64</td>
     <td>$234,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Bruno Nash</td>
     <td>Software Engineer</td>
     <td>London</td>
     <td>38</td>
     <td>$163,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Sakura Yamamoto</td>
     <td>Support Engineer</td>
     <td>Tokyo</td>
     <td>37</td>
     <td>$139,575</td>
    </tr>
    <tr>
     <td></td>
     <td>Thor Walton</td>
     <td>Developer</td>
     <td>New York</td>
     <td>61</td>
     <td>$98,540</td>
    </tr>
    <tr>
     <td></td>
     <td>Finn Camacho</td>
     <td>Support Engineer</td>
     <td>San Francisco</td>
     <td>47</td>
     <td>$87,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Serge Baldwin</td>
     <td>Data Coordinator</td>
     <td>Singapore</td>
     <td>64</td>
     <td>$138,575</td>
    </tr>
    <tr>
     <td></td>
     <td>Zenaida Frank</td>
     <td>Software Engineer</td>
     <td>New York</td>
     <td>63</td>
     <td>$125,250</td>
    </tr>
    <tr>
     <td></td>
     <td>Zorita Serrano</td>
     <td>Software Engineer</td>
     <td>San Francisco</td>
     <td>56</td>
     <td>$115,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Jennifer Acosta</td>
     <td>Junior Javascript Developer</td>
     <td>Edinburgh</td>
     <td>43</td>
     <td>$75,650</td>
    </tr>
    <tr>
     <td></td>
     <td>Cara Stevens</td>
     <td>Sales Assistant</td>
     <td>New York</td>
     <td>46</td>
     <td>$145,600</td>
    </tr>
    <tr>
     <td></td>
     <td>Hermione Butler</td>
     <td>Regional Director</td>
     <td>London</td>
     <td>47</td>
     <td>$356,250</td>
    </tr>
    <tr>
     <td></td>
     <td>Lael Greer</td>
     <td>Systems Administrator</td>
     <td>London</td>
     <td>21</td>
     <td>$103,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Jonas Alexander</td>
     <td>Developer</td>
     <td>San Francisco</td>
     <td>30</td>
     <td>$86,500</td>
    </tr>
    <tr>
     <td></td>
     <td>Shad Decker</td>
     <td>Regional Director</td>
     <td>Edinburgh</td>
     <td>51</td>
     <td>$183,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Michael Bruce</td>
     <td>Javascript Developer</td>
     <td>Singapore</td>
     <td>29</td>
     <td>$183,000</td>
    </tr>
    <tr>
     <td></td>
     <td>Donna Snider</td>
     <td>Customer Support</td>
     <td>New York</td>
     <td>27</td>
     <td>$112,000</td>
    </tr>
   </tbody>
  </table>

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