Vue3+ElementPlus在el-table表格中显示时间的示例代码

<div class="card">
      <el-table :data="tableDate" border  @selection-change="handleSelectionChange" >
        <el-table-column type="selection" width="42"></el-table-column>
        <el-table-column prop="noveldatetime" label="更新时间" width="164" ></el-table-column>
        <el-table-column label="操作" width="175">
          <template #default="scope">
            <el-button type="primary" @click="handleClick(scope.row)">编辑</el-button>
            <el-button type="primary" @click="del(scope.row.novelid)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
</div>
<div>
      <el-dialog v-model="dialogFormVisible" title="请填写信息" width="50%">
        <el-form :model="form">
          <el-form-item label="更新时间">
            <el-date-picker type="datetime" v-model="form.noveldatetime" autocomplete="off" placeholder="请输入时间" format="YYYY-MM-DD HH:mm:ss" value-format="YYYY-MM-DD HH:mm:ss"/>
          </el-form-item>
        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button type="primary" @click="dialogFormVisible = false">取 消</el-button>
            <el-button type="primary" @click="submit()">确 定</el-button>
          </div>
        </template>
      </el-dialog>
</div>
<script>
export default {
  name: "Novels",
  //以下省略，本臣技术不成熟，去寻专业人士、文帖解决即可，狗头保命
}
</script>
<style scoped lang="scss">
.card {
  background-color: #FFFFFF;
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 0 8px rgba(0, 0, 0, .12);
  margin-top: 10px;
  margin-left: 10px;
}
.el-button--primary {
  background-color: #7f7f7f;
  border: 2.5px solid #d5d5d5;
}
.el-button--primary:hover {
  background-color: #d5d5d5;
  color: #000;
  border: 0;
  border: 1px solid #d5d5d5;
}
</style>