我对数据表有一个问题。我也浏览了这个链接,但没有任何结果。我已经包括了将数据直接解析到DOM中的所有先决条件。

脚本

$(document).ready(function() {
  $('.viewCentricPage .teamCentric').dataTable({
    "bJQueryUI": true,
    "sPaginationType": "full_numbers",
    "bPaginate": false,
    "bFilter": true,
    "bSort": true,
    "aaSorting": [
      [1, "asc"]
    ],
    "aoColumnDefs": [{
      "bSortable": false,
      "aTargets": [0]
    }, {
      "bSortable": true,
      "aTargets": [1]
    }, {
      "bSortable": false,
      "aTargets": [2]
    }],
  });
});

当前回答

无法读取未定义的属性'fnSetData'的常见原因是列数不匹配,就像下面的错误代码:

<thead>                 <!-- thead required -->
    <tr>                <!-- tr required -->
        <th>Rep</th>    <!-- td instead of th will also work -->
        <th>Titel</th>
                        <!-- th missing here -->
    </tr>
</thead>
<tbody>
    <tr>
        <td>Rep</td>
        <td>Titel</td>
        <td>Missing corresponding th</td>
    </tr>
</tbody>

下面的代码中,每<td>(列数必须匹配)包含一个<th>:

<thead>
    <tr>
        <th>Rep</th>       <!-- 1st column -->
        <th>Titel</th>     <!-- 2nd column -->
        <th>Added th</th>  <!-- 3rd column; th added here -->
    </tr>
</thead>
<tbody>
    <tr>
        <td>Rep</td>             <!-- 1st column -->
        <td>Titel</td>           <!-- 2nd column -->
        <td>th now present</td>  <!-- 3rd column -->
    </tr>
</tbody>

当使用带有colspan但没有第二行的格式良好的标题时,也会出现这种错误。

对于一个有7列的表,下面的不工作,我们看到“不能读取属性'mData' of undefined”在javascript控制台中:

<thead>
    <tr>
        <th>Rep</th>
        <th>Titel</th>
        <th colspan="5">Download</th>
    </tr>
</thead>

虽然这是有效的:

<thead>
    <tr>
        <th rowspan="2">Rep</th>
        <th rowspan="2">Titel</th>
        <th colspan="5">Download</th>
    </tr>
    <tr>
        <th>pdf</th>
        <th>nwc</th>
        <th>nwctxt</th>
        <th>mid</th>
        <th>xml</th>
    </tr>
</thead>

其他回答

我在通过脚手架生成器创建的Rails视图中使用DOM数据时遇到了同样的问题。默认情况下,视图为最后三列(包含显示、隐藏和销毁记录的链接)省略<th>元素。我发现,如果我在<thead>内的<th>元素中为这些列添加标题,它就解决了这个问题。

I can't say if this is the same problem you're having since I can't see your html. If it is not the same problem, you can use the chrome debugger to figure out which column it is erroring out on by clicking on the error in the console (which will take you to the code it is failing on), then adding a conditional breakpoint (at col==undefined). When it stops you can check the variable i to see which column it is currently on which can help you figure out what is different about that column from the others. Hope that helps!

你必须去掉colspan, th和td的个数需要匹配。

无法读取未定义的属性'fnSetData'的常见原因是列数不匹配,就像下面的错误代码:

<thead>                 <!-- thead required -->
    <tr>                <!-- tr required -->
        <th>Rep</th>    <!-- td instead of th will also work -->
        <th>Titel</th>
                        <!-- th missing here -->
    </tr>
</thead>
<tbody>
    <tr>
        <td>Rep</td>
        <td>Titel</td>
        <td>Missing corresponding th</td>
    </tr>
</tbody>

下面的代码中,每<td>(列数必须匹配)包含一个<th>:

<thead>
    <tr>
        <th>Rep</th>       <!-- 1st column -->
        <th>Titel</th>     <!-- 2nd column -->
        <th>Added th</th>  <!-- 3rd column; th added here -->
    </tr>
</thead>
<tbody>
    <tr>
        <td>Rep</td>             <!-- 1st column -->
        <td>Titel</td>           <!-- 2nd column -->
        <td>th now present</td>  <!-- 3rd column -->
    </tr>
</tbody>

当使用带有colspan但没有第二行的格式良好的标题时,也会出现这种错误。

对于一个有7列的表,下面的不工作,我们看到“不能读取属性'mData' of undefined”在javascript控制台中:

<thead>
    <tr>
        <th>Rep</th>
        <th>Titel</th>
        <th colspan="5">Download</th>
    </tr>
</thead>

虽然这是有效的:

<thead>
    <tr>
        <th rowspan="2">Rep</th>
        <th rowspan="2">Titel</th>
        <th colspan="5">Download</th>
    </tr>
    <tr>
        <th>pdf</th>
        <th>nwc</th>
        <th>nwctxt</th>
        <th>mid</th>
        <th>xml</th>
    </tr>
</thead>

如果你有'aoColumns'之类的表参数,也会发生这种情况:[..]],它们与正确的列数不匹配。当从其他页面复制粘贴代码以快速启动数据表集成时,通常会出现这样的问题。

例子:

这行不通:

<table id="dtable">
    <thead>
        <tr>
            <th>col 1</th>
            <th>col 2</th>
        </tr>
    </thead>
    <tbody>
        <td>data 1</td>
        <td>data 2</td>
    </tbody>
</table>
<script>
        var dTable = $('#dtable');
        dTable.DataTable({
            'order': [[ 1, 'desc' ]],
            'aoColumns': [
                null,
                null,
                null,
                null,
                null,
                null,
                {
                    'bSortable': false
                }
            ]
        });
</script>

但这是可行的:

<table id="dtable">
    <thead>
        <tr>
            <th>col 1</th>
            <th>col 2</th>
        </tr>
    </thead>
    <tbody>
        <td>data 1</td>
        <td>data 2</td>
    </tbody>
</table>
<script>
        var dTable = $('#dtable');
        dTable.DataTable({
            'order': [[ 0, 'desc' ]],
            'aoColumns': [
                null,
                {
                    'bSortable': false
                }
            ]
        });
</script>

技巧1:

参考这个链接,你会得到一些想法:

https://datatables.net/forums/discussion/20273/uncaught-typeerror-cannot-read-property-mdata-of-undefined

提示2:

检查以下是否正确:

请检查Jquery版本 请检查您的CDN或本地数据表相关的。min和css文件的版本 你的表有<thead></thead> & <tbody></tbody>标签 你的表标题列长度与正文列长度相同 在style='display:none'中使用一些cloudns,同样的属性适用于Header和body。 你的表列没有空,使用一些像[Null,——,NA, Nil] 你的表格没有<td>, <tr>问题