<el-table :data="tableDatas" style="width: 100%" max-height="129">
     <!-- 自定义暂无数据 -->
     <template slot="empty">
           <div style="height:92px;line-height:92px;">暂无月度产值预警</div>
      </template>  
      <!-- tool-tip -->
      <el-table-column prop="regionFullName" label="施工区段" align="center" 
       :show-overflow-tooltip="true">
      </el-table-column>    
  </el-table>