Question

我有以下代码（还包括指向JSFIDDLE的链接）：

$(document).ready(function (){
var table = $('#example').DataTable();

$('#47y').on('click', function(){
   if(this.checked){
      $.fn.dataTable.ext.search.push(
         function (settings, data, dataIndex){
            return (data[3] == 47) ? true : false;
         }
      );
   }

   table.draw();

   if(this.checked){
      $.fn.dataTable.ext.search.pop();    
   }
});

$('#51y').on('click', function(){
   if(this.checked){
      $.fn.dataTable.ext.search.push(
         function (settings, data, dataIndex){
            return (data[3] == 51) ? true : false;
         }
      );
   }

   table.draw();

   if(this.checked){
      $.fn.dataTable.ext.search.pop();    
   }
});

});

JSFIDDLE

我有2个复选框，用于过滤“年龄”列。他们是分开工作，而不是一起工作。选中它们时，我需要同时显示47年和50年。我在javascript中尝试过，但是应用程序是用python / flask（具有dataTables扩展名）编写的，因此它也是选项。谢谢。

Answer 1

不是使用两个单独的功能，而是使用一个；功能如下：

$(document).ready(function() {
  var table = $('#example').DataTable();



  $('input[type="checkbox"]').on('change', function() {
    console.log($(this).attr("id"), this.checked)
    var choosedString = "";
    if ($('#47y').prop('checked')) {
      choosedString = "47"
    }
    if ($('#51y').prop('checked')) {
      choosedString += choosedString.length > 0 ? "|" : "";
      choosedString += "51"
    }
    table.column(3).search(choosedString, true, false).draw();

  });






});

@import url('https://cdn.datatables.net/r/dt/dt-1.10.9/datatables.min.css');

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdn.datatables.net/r/dt/dt-1.10.9/datatables.min.js"></script>

<label><input id="47y" type="checkbox">47 years</label>
<label><input id="51y" type="checkbox">51 years</label>
<hr>
<table id="example" class="display" cellspacing="0" 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>
  <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>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>Sidney</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>Sidney</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>$112,001</td>
    </tr>
  </tbody>
</table>

在这里，我已经更新了您的fiddle，来看看。您实际上需要使用正则表达式搜索相同的内容；在代码中使用正则表达式。

Answer 2

您的JS Fiddle出于某种原因无法正常工作，我不费吹灰之力就知道了，但这似乎很简单...我会说这应该工作：

$(document).ready(function (){
var table = $('#example').DataTable();
var global_47y = $('#47y');
var global_51y = $('#51y');

$('#47y').on('click', function(){
    $.fn.dataTable.ext.search.push(
        function (settings, data, dataIndex){
            return (((data[3] == 47) ? true : false) && global_47y.checked) || (((data[3] == 51) ? true : false) && global_51y.checked);
        }
    );
    table.draw();
    if(this.checked){
        $.fn.dataTable.ext.search.pop();    
    }
});

// exactly the same code here...
$('#51y').on('click', function(){
    $.fn.dataTable.ext.search.push(
        function (settings, data, dataIndex){
            return (((data[3] == 47) ? true : false) && global_47y.checked) || (((data[3] == 51) ? true : false) && global_51y.checked);
        }
    );
    table.draw();
    if(this.checked){
        $.fn.dataTable.ext.search.pop();    
    }
});

...等等

Answer 3

当单击第一个复选框时，您必须查看另一个复选框的状态是否被单击，然后返回47 AND 51，如果不是，则返回47。

51复选框也是如此。

if语句很小，它将检查另一个复选框的状态

原型

function Select47(){
if(checkboxAge51.isClicked){
 return 47 AND 51
    } else {
     return 47
    }
}

Answer 4

在两个复选框事件中都选中它们。

function getCheckedValues() {   
    var values = [];
  if ($('#47y').checked) {
    values.push(47);
  }
  if ($('#51y').checked) {
    values.push(51);
  }
  return values;
}

和dataTable搜索-

$.fn.dataTable.ext.search.push(
             function (settings, data, dataIndex){
                var values = getCheckedValues();
                return values.indexOf(data[3]) ? true : false;                
             }
          );

Answer 5

因此，在进行比较时，无需检查是否已选中另一个复选框。只有被点击的那个。您需要跟踪另一个复选框，查看是否已选中它并返回结果。

$(document).ready(function() {
  var table = $('#example').DataTable();
  var fourtySevenCheckbox = $('#47y')
  var fiftyOneCheckbox = $('#51y')





  $('#47y').on('click', function() {
    if (this.checked) {
  $.fn.dataTable.ext.search.push(
    function(settings, data, dataIndex) {
      if (fiftyOneCheckbox.prop('checked')) {
        return (data[3] == 47 || data[3] == 51);
      } else {
        return (data[3] == 47);
      }
    }
  );
}

table.draw();

if (this.checked) {
  $.fn.dataTable.ext.search.pop();
}
  });




  $('#51y').on('click', function() {
    if (this.checked) {
      $.fn.dataTable.ext.search.push(
        function(settings, data, dataIndex) {
          if (fourtySevenCheckbox.prop('checked')) {
        return (data[3] == 51 || data[3] == 47)
      } else {
        return (data[3] == 51);
      }
    }
  );
}

table.draw();

if (this.checked) {
  $.fn.dataTable.ext.search.pop();
}
  });





});

多个复选框可从表中选择数据

5 个答案: