el-table-column 结合 dayjs

npm install dayjs

import dayjs from 'dayjs'

<el-table-column
  prop="auditTime"
  label="审核时间"
  width="200"
  :show-overflow-tooltip="true"
  :formatter="formatAuditTime"
></el-table-column>

 formatAuditTime(_row, _column, cellValue) {
   return cellValue ? dayjs(cellValue).format('YYYY/MM/DD hh:mm:ss') : ''
 },