return html;
                        },
                        events: {
                            'click .edit': function (event, value, row, index) {
                                modal(row);
                            },
                            'click .del': function (event, value, row, index) {
                                layer.confirm('您确定要删除这个分类吗？', {
                                    btn: ['确认删除', '取消']
                                }, function ()