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css - DataTables 按钮不在窄屏幕上居中

转载 作者：太空宇宙 更新时间：2023-11-04 07:29:54 24 4
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我有一个使用 Twitter Bootstrap 3 设计的数据表并使用了一些按钮。这是它被初始化的代码:

bookingsTable = $('#bookings-table').DataTable({
  language: {
    "url": "//cdn.datatables.net/plug-ins/1.10.16/i18n/Italian.json"
  },
  dom: "<'row'<'col-sm-4'l><'col-sm-4 text-center'B><'col-sm-4'f>>" +
    "<'row'<'col-sm-12'tr>>" +
    "<'row'<'col-sm-5'i><'col-sm-7'p>>",
  buttons: [
    {
      extend: 'excel',
      className: "btn-sm",
      text: 'Esporta',
      exportOptions: {
        columns: [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ]
      }
    },
    {
      extend: 'colvis',
      className: "btn-sm",
      text: 'Colonne'
    },
    'refresh'
  ],
  scrollY:        500,
  scrollX:        true,
  scrollCollapse: true,
  paging:         true,
  fixedColumns:   true,
  select: true 
});

如您所见，按钮居中位于 dataTables_length 和 dataTables_filter 包装器之间，它们分别包装当前显示的行数和输入搜索。

只要宽度大于 768px，一切都按预期工作。在下方时，三个 col-sm-4 列正确地分别位于它们自己的行中，但是，而 dataTables_length 和 dataTables_filter 是居中，按钮的包装是左对齐的，这没有多大意义，因为它有 text-center 类应该保持居中对齐。

普通表: Normal table

缩小表:

enter image description here

我想我在这里遗漏了一些东西，但是我无法找出问题所在。

Here是一个 JSFiddle 示例。

最佳答案

更新:修复了这里的问题:https://jsfiddle.net/phgw8kbx/11/div 'dt-buttons btn-group' 使用 100% 宽度，这应该是自动的，或者您需要使元素内联 block 居中对齐。只需在某处添加此 css 即可正常工作。

$(function() {
  $.fn.dataTable.ext.buttons.refresh = {
    text: 'Aggiorna',
    className: 'btn-sm',
    action: function (e, dt, node, config) {
    }
  };

  bookingsTable = $('#bookings-table').DataTable({
    language: {
      "url": "//cdn.datatables.net/plug-ins/1.10.16/i18n/Italian.json"
    },
    dom: "<'row'<'col-sm-4'l><'col-sm-4 text-center'B><'col-sm-4'f>>" +
      "<'row'<'col-sm-12'tr>>" +
      "<'row'<'col-sm-5'i><'col-sm-7'p>>",
    buttons: [
      {
        extend: 'excel',
        className: "btn-sm",
        text: 'Esporta',
        exportOptions: {
          columns: [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ]
        }
      },
      {
        extend: 'colvis',
        className: "btn-sm",
        text: 'Colonne'
      },
      'refresh'
    ],
    scrollY:        500,
    scrollX:        true,
    scrollCollapse: true,
    paging:         true,
    fixedColumns:   true,
    select: true 
  });
});
<!-- begin snippet: js hide: false console: true babel: false -->
<!DOCTYPE html>
<html lang="it">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">

    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
    <meta name="description" content="">
    <meta name="author" content="">
    <!--    <link rel="icon" href="../../favicon.ico"> //TODO: set custom favicon-->

    <title>Gestione avanzata</title>

    <!-- Font Awesome v4.7.0 -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" />

    <!-- Twitter Bootstrap v3.3.7 core CSS -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" />

    <!-- Bootstrap DataTables CSS v1.10.16 -->
    <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.16/css/dataTables.bootstrap.min.css"/>

    <!-- DataTables Bootstrap Buttons CSS v1.5.1 -->
    <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/buttons/1.5.1/css/buttons.bootstrap.min.css"/>

    <!-- Custom CSS -->
    <link rel="stylesheet" type="text/css" href="css/bookings_manager.css" />
  </head>

  <body>
    <div class="container-fluid">
      <div class="col-sm-12">
        <h2 class="text-center">Storico prenotazioni</h2>

        <!-- Vehicles' table -->
        <div class="">
          <table id="bookings-table" class="table table-bordered table-striped text-center" cellspacing="0" width="100%">
            <thead>
              <tr>
                <td><strong>ID prenotazione</strong></td>
                <td><strong>Veicolo</strong></td>
                <td><strong>Impiegato</strong></td>
                <td><strong>Centro</strong></td>
                <td><strong>Data</strong></td>
                <td><strong>Partenza da</strong></td>
                <td><strong>Ora di partenza</strong></td>
                <td><strong>Tragitto intermedio</strong></td>
                <td><strong>Ritorno a</strong></td>
                <td><strong>Ora di ritorno</strong></td>
                <td><strong>Servizio</strong></td>
                <td><strong>Motivazione</strong></td>
                <td><strong>Stato</strong></td>
                <td><strong>Storia</strong></td>
                <td><strong>Opzioni</strong></td>
              </tr>
            </thead>
            <tbody>
            </tbody>
          </table>
        </div>
      </div>
    </div>
    
    <!-- Modal to show the history of a booking -->
    <div class="modal fade" id="booking-history-modal" tabindex="-1" role="dialog" aria-labelledby="booking-history-modal-label">
      <div class="modal-dialog modal-md" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Chiudi"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title" id="booking-history-modal-label">Storico prenotazione</h4>
          </div>
          <div class="modal-body">
            <table id="booking-history-table" class="table table-bordered table-striped text-center" cellspacing="0" width="100%">
              <thead>
                <tr>
                  <td><strong>Impiegato</strong></td>
                  <td><strong>Azione</strong></td>
                  <td><strong>Motivazione</strong></td>
                  <td><strong>Data e ora</strong></td>
                </tr>
              </thead>
              <tbody>
              </tbody>
            </table>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">Chiudi</button>
          </div>
        </div>
      </div>
    </div>
    
    <!-- Modal to permanently delete a booking -->
    <div class="modal fade" id="booking-delete-modal" tabindex="-1" role="dialog" aria-labelledby="booking-delete-modal-label">
      <div class="modal-dialog modal-md" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Chiudi"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title" id="booking-delete-modal-label">Elimina prenotazione</h4>
          </div>
          <div class="modal-body">
            Sei sicuro di voler eliminare in maniera definitiva questa prenotazione?
            Essa verrà eliminata dal database, e non sarà più possibile recuperarla. Verrà eliminata anche dallo storico delle prenotazioni.
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-danger" id="confirm-delete-booking-button">
              <span class="fa fa-trash fa-fw" aria-hidden="true"></span>
              Elimina
            </button>
            <button type="button" class="btn btn-default" data-dismiss="modal">Chiudi</button>
          </div>
        </div>
      </div>
    </div>

    <!-- Modal to give information about the last action (error/success) -->
    <div class="modal fade" id="action-info-modal" tabindex="-1" role="dialog" data-keyboard="false" aria-labelledby="action-info-modal-label">
      <div class="modal-dialog modal-md" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" id="closeIcon" data-dismiss="modal" aria-label="Chiudi"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title" id="action-info-modal-label"></h4>
          </div>
          <div class="modal-body">
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-success" id="refresh-page-button">
              <span class="fa fa-refresh fa-fw" aria-hidden="true"></span>
              Aggiorna la pagina
            </button>
            <button type="button" class="btn btn-warning" id="report-error-button">
              <span class="fa fa-bug fa-fw" aria-hidden="true"></span>
              Segnala errore
            </button>
            <button type="button" class="btn btn-default" data-dismiss="modal">Chiudi</button>
          </div>
        </div>
      </div>
    </div>

    <!-- Bootstrap core JavaScript
    ================================================== -->
    <!-- Placed at the end of the document so the pages load faster -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>

    <!-- DataTables JSzip v2.5.0 -->
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>

    <!-- Datatables Core JS v1.10.16 -->
    <script type="text/javascript" src="https://cdn.datatables.net/1.10.16/js/jquery.dataTables.min.js"></script>

    <!-- Bootstrap DataTables Core JS v1.10.16 -->
    <script type="text/javascript" src="https://cdn.datatables.net/1.10.16/js/dataTables.bootstrap.min.js"></script>

    <!-- DataTables Buttons JS v1.5.1 -->
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.5.1/js/dataTables.buttons.min.js"></script>

    <!-- DataTables Bootstrap Buttons JS v1.5.1 -->
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.5.1/js/buttons.bootstrap.min.js"></script>

    <!-- DataTables HTML5 Buttons JS v1.5.1 -->
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.5.1/js/buttons.html5.min.js"></script>

    <!-- DataTables Column Visbility Buttons JS v1.5.1 -->
    <script type="text/javascript" src="https://cdn.datatables.net/buttons/1.5.1/js/buttons.colVis.min.js"></script>

    <!-- Datatables fixedColumns JS v3.2.4 -->
    <link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/fixedcolumns/3.2.4/css/fixedColumns.bootstrap.min.css"/>
    <script src="https://cdn.datatables.net/fixedcolumns/3.2.4/js/dataTables.fixedColumns.min.js"></script>
  </body>
</html>

div.dt-buttons {
    width: auto !important;
  }

关于css - DataTables 按钮不在窄屏幕上居中，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/49516213/

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