function columns(vm) {
  const cols = [
    {
      title: '序号',
      key: 'rowIndex',
      width: 60,
      align: 'center',
      customRender: function(t, r, index) {
        return parseInt(index) + 1
      }
    },
    {
      title: '线别',
      align: 'center',
      dataIndex: 'lineType',
      key: 'lineType'
    },
    {
      title: '线路名称',
      align: 'center',
      dataIndex: 'lineName',
      key: 'lineName'
    },
    {
      title: '所属车间',
      align: 'center',
      dataIndex: 'deptName',
      key: 'deptName'
    },
    {
      title: '行别',
      align: 'center',
      dataIndex: 'hb',
      key: 'hb'
    },
    {
      title: '开始公里标',
      align: 'center',
      dataIndex: 'lineStartMarker',
      key: 'lineStartMarker'
    },
    {
      title: '结束公里标',
      align: 'center',
      dataIndex: 'lineEndMarker',
      key: 'lineEndMarker'
    },
    {
      title: '操作',
      dataIndex: 'action',
      align: 'center',
      slots: { title: 'actionName' },
      scopedSlots: { customRender: 'action' }
    }
  ]
  return cols
}

export default columns