！CI框架中怎么使用一个form两个提交按钮

求助！CI框架中如何使用一个form两个提交按钮？
求教，CI框架中如何使用一个form两个提交按钮呢？麻烦各位了！
代码如下：
<script><br /> $(document).ready(function() {<br /> $('#fileData').dataTable( {<br /> "aLengthMenu": [[10, 25, 50, 100, -1], [10, 25, 50, 100, "All"]],<br /> "sPaginationType": "full_numbers", <br /> "aaSorting": [[ 0, "desc" ]],<br /> "iDisplayLength": <?php echo ROWS_PER_PAGE; ?>,<br /> "bJQueryUI": true,<br /> "sDom": '<"H"frlT><"clear">t<"clear"><"F"ip>',<br /> //<"H"T><"clear"><br /> //"sDom": '<"top"i>rt<"bottom"flp><"clear">',<br /> 'bProcessing' : true,<br /> 'bServerSide' : true,<br /> 'sAjaxSource' : '<?php echo base_url(); ?>index.php?module=order&view=getdatatableajax',<br /> <br /> 'fnServerData': function(sSource, aoData, fnCallback)<br /> {<br /> $.ajax<br /> ({<br /> 'dataType': 'json',<br /> 'type' : 'POST',<br /> 'url' : sSource,<br /> 'data' : aoData,<br /> 'success' : fnCallback<br /> });<br /> },<br /> "oTableTools": {<br /> "sSwfPath": "smlib/media/swf/copy_csv_xls_pdf.swf",<br /> "aButtons": [<br /> // "copy",<br /> "csv",<br /> "xls",<br /> {<br /> "sExtends": "pdf",<br /> "sPdfOrientation": "landscape",<br /> "sPdfMessage": ""<br /> },<br /> "print"<br /> ]<br /> },<br /> "oLanguage": {<br /> "sSearch": "Filter: "<br /> },<br /> "aoColumns": [<br /> { "sClass": "center", "bSortable": false}, <br /> null,<br /> null,<br /> null,<br /> null,<br /> null,<br /> null,<br /> null,<br /> { "bSortable": false }<br /> ],<br /> "aaSorting": [[1, 'asc']]<br /> } );<br /> <div class="clear"></script>