',
                    title: '角色名称'
                },
                {
                    field: 'description',
                    title: '角色描述'
                },
                {
                    field: 'status',
                    title: '角色状态',
                    formatter: function(value, row, index) {
                        switch (row.status){
                            case 1 : return '<span class="badge badge-info">有效</span>';
                            cas