<a-table bordered 
            :data-source="data3" 
            :columns="columns3" 
            :pagination="pagination3"
            :loading="loading3"
            :scroll="{ x: 400, y: 480 }"
            size="small"
            align="center"
            >
</a-table>
columns3:[
        {
          
          title: '任务英文名',
          dataIndex: 'task_NAME',
          align: 'center',
          className:'tb1Head'
        },
        {
          title: '任务中文名',
          dataIndex: 'task_CN_NAME',
          align: 'center',
          className:'tb1Head'
        }
      ]
.tb1Head .ant-table-column-title {
        display: block;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
}

显示效果：

antVue只设置表头超出显示省略号_vue.js