【需求】：点击不同链接，使DataTables加载不同的数据，并定时拉取最新数据

本文适用jquery.dataTables.min.js 版本：1.9.4 ；其它几个js：

jquery-2.0.3.min.js

fnReloadAjax.js 下载

HTML

<a href="#" id="1" class="cluster">rmqdev-1</a>
<a href="#" id="2" class="cluster">rmqdev-2</a>

<table id="sample-table-2">
  <thead>
    <tr>
      <th>#</th>
      <th>Node name</th>
      <th>IP</th>
      <th>File descriptors</th>
      <th>Socket descriptors</th>
      <th>Erlang processes</th>
      <th>Memory</th>
      <th>Disk space</th>
    </tr>
  </thead>
</table>

<script type="text/javascript">

    var table;

    $('.cluster').click(function () {
        var cluster_id = $(this).attr("id");
        listNode(cluster_id);
    });


    jQuery(function ($) {
        setInterval(function () {
            if ($.fn.dataTable.fnIsDataTable(document.getElementById('sample-table-2'))) {
                table.fnReloadAjax();
            }
        },3000);
    });

    function listNode(cluster_id) {
        if ($.fn.dataTable.fnIsDataTable(document.getElementById('sample-table-2'))) {
            table = $('#sample-table-2').DataTable();
            table.fnDestroy(false);
        }
        table = $('#sample-table-2').DataTable( {
            "bProcessing": true,"sAjaxSource": "/node/list?cluster_id=" + cluster_id
        } );
    }
</script>

后台返回JSON样例

{
  "aaData": [
    [
      "1","xxx.com","10.30.237.112","2001","1539","30295","2GB","79GB"
    ],[
      "2","yyy.com","10.30.237.113","667","217","15705","2.5GB","50GB"
    ],[
      "3","zzz.com","10.30.237.114","655","205","17653","3GB","100GB"
    ]
  ]
}