Added support for reorder extension

src/bootstrap-table.js

@@ -804,7 +804,7 @@
             $keepOpen.find('input').off('click').on('click', function () {
                 var $this = $(this);
 
-                that.toggleColumn($this.val(), $this.prop('checked'), false);
+                that.toggleColumn(getFieldIndex(that.options.columns, $(this).data('field')), $this.prop('checked'), false);
                 that.trigger('column-switch', $(this).data('field'), $this.prop('checked'));
             });
         }