//全选/取消全选
            $('#quanxuan').toggle(function () {
                $("input[name='abc']").attr("checked", 'true');
            }, function () {
                $("input[name='abc']").removeAttr("checked");
            });


            //反选
            $('#fanxuan').click(function () {
                $("input[name='abc']").each(function () {
                    if ($(this).attr("checked")) {
                        $(this).removeAttr("checked");
                    } else {
                        $(this).attr("checked", 'true');
                    }
                });
            });