Jquery.DataTable合并单元格

$(function() {
    var grid = new Datatable();

    grid.init({
        src: $("#list-table"),
        onSuccess: function(grid) {},
        onError: function(grid) {},
        loadingMessage: '加载中...',
        dataTable: {
            "columns": [
   {
    "data": "id",
       "bSortable": false
   },
            {
                "data": "org_name",
                "bSortable": false,
                "sWidth":"100px"
            },
            {
                "data": "resource_name",
                "bSortable": false,
                "sWidth":"160px"
            }
            
        ],
            "columnDefs": [
     {
      "targets": [0],
      "render": function(data,type,full){
       return "<input type='checkbox' name='id' value='" + data + "' status='" + full.status+ "'/>";
      },
       "createdCell": function(cell, cellData, rowData, rowIndex, colIndex){
        var row_name = "id";
                       handleRowSpan(row_name, cell, rowData);  
               }
            
           ],
            "pageLength": 10,
            "ajax": {
                "url": ',
                'data' : function (d) {
                 d.resource_name=$('#resource_name').val();
                 d.cata_title=$('#cata_title').val();
                  },
             "dataSrc": function(res) {
               return getRowSpanData(res.data, ['id','org_name']);
              }
            },
            "order": [[0, "des"]]
        }
    });




function handleRowSpan(row_name, cell, rowData){
    if(rowData[row_name+'-row-span-num']>1){
        $(cell).attr('rowspan',rowData[row_name+'-row-span-num']);
    }
    else if(rowData[row_name+'-row-span-num']<1){
        $(cell).remove();
    }
};


function getRowSpanData(data, rowNameArr) {
    function rowSpanNum(row_name, current_row) {
        var num = 1;
        //如果与上一行的数据相同，则标记为0
        if((current_row > 0)&&(data[current_row - 1][row_name] === data[current_row][row_name])){
            num = 0;
        }
        //否则 计算共有几行重复
        else{
            var i = current_row + 1;
            while(i < data.length && (data[i][row_name] === data[current_row][row_name])){
                num++;
                i++;
            }
        }
        return num;
    }

    $.each(data,function (key, value) {
        $.each(rowNameArr, function (index, item) {
            value[item+'-row-span-num'] = rowSpanNum(item, key);
        });
    });
    return data;
};