HTML Table to Json

 ????<table class="table table-striped table-bordered table-hover dataTable no-footer" id="boltAreaDetailType" role="grid" aria-describedby="sample_2_info"> ???????????????????????????????????<thead> ???????????????????????????????????????<tr> ???????????????????????????????????????????<td data-override="BoltName" >螺栓型号</td> ???????????????????????????????????????????<td data-override="BoltType">螺栓规格</td> ???????????????????????????????????????????<td data-override="Num">数量</td> ???????????????????????????????????????????<td>操作</td> ???????????????????????????????????????</tr> ???????????????????????????????????</thead> ???????????????????????????????????<tbody id="tableBoltAreaTypeBody"></tbody> ???????????????????????????????</table>

 ???var table = $(‘#boltAreaDetailType‘).tableToJSON({ ???????extractor: { ???????????0: function (cellIndex, $cell) { ???????????????return $cell.find(‘option:selected‘).val(); ???????????}, ???????????1: function (cellIndex, $cell) { ???????????????return $cell.find(‘option:selected‘).val(); ???????????}, ???????????2: function (cellIndex, $cell) { ???????????????return $cell.find(‘input[type=number]‘).val(); ???????????} ???????}, ???????ignoreColumns: [3] ???});