var reqData = {};

 var extraSearch = [];

 var oTable = $('table selector').dataTable({

     'ajax'：{

         data: function(aoData) {

             aoData.extraSearch = extraSearch;

             reqData['dtJson'] = JSON.stringify(aoData);

             return reqData;

         }

     }

 }）

 $("#searchBtn").click(function(){

     extraSearch = [];

     extraSearch.push({name:"keywords",value:$("#searchKeywords").val()});

     oTable.api().ajax.reload();

 }

 <script id="tpl" type="text/x-handlebars-template">

     {{#each func}}

     <button type="button" class="btn btn-{{this.type}} btn-sm" onclick="{{this.fn}}">{{this.name}}</button>

     {{/each}}

 </script>

 <script>

 var tpl = $("#tpl").html();

 var template = Handlebars.compile(tpl);

 $('table selector').dataTable({

     'columns':[

         { data: 'id',title:"编码" },

         { data: 'name',title:"名称" },

         { data: 'createTime',title:"创建时间" },

         { data: null ,title: "操作",'render': function (data, type, row, meta) {

             var context =

             {

                 func: [

                     {"name": "修改", "fn": "edit(\'" + row.id + "\',\'"+row.name+"\',\'"+row.createTime+"\')", "type": "primary"},

                 ]

             };

             var html = template(context);

             return html;

         }}

     ]

 })