How a vue+element project hides an entire line of el-table-column

<el-table :data="tableData" style="width: 100%;" @selection-change="handleSelectionChange" ref="multipleTable" class="exchangeTable">   
        <el-table-column align="center" type="selection" width="55" fixed></el-table-column>
        <el-table-column align="center" prop="name" label="" width="120"></el-table-column>
        <el-table-column align="center" prop ="type" label="">
          <template slot-scope="scope">
            {{ scope.row.type === 1 ? "" : "" }}
          </template>
        </el-table-column>
        <el-table-column align="center"  label="" width="160px">
          <template slot-scope="scope">
             <!-- <el-col :span="16"> -->
            <el-input  v-model="scope.row.exchangeNum" class="exchangeNum" @change="inputChange(scope.row)"></el-input>
             <!-- </el-col> -->
          </template>
        </el-table-column>
        <el-table-column align="center" label="" prop="costPointsNum">
           <template slot-scope="scope">{{scope.row.exchangeNum*scope.row.costPointsNum}}</template>
        </el-table-column>
        <el-table-column align="center" label="" prop="eachMax"></el-table-column>
        <el-table-column align="center" label="" prop="leftNum"></el-table-column>
      </el-table>

how the table structure above hides the whole row of data with the remaining number of 0 from being displayed

Element-ui vue.js
Mar.20,2021

Today, when I looked at the vue document in detail, I suddenly thought of the question that I didn't answer before. In fact, there is a detailed solution in the vue document.
Link: ide/list.html-sharp%E5%AF%B9%E8%B1%A1%E6%9B%B4%E6%94%B9%E6%A3%80%E6%B5%8B%E6%B3%A8%E6%84%8F%E4%BA%8B%E9%A1%B9" rel=" nofollow noreferrer "> list rendering-- Vue.js

example: 

html:
<el-table :data=filteredTableData>
    <el-table-column>...<el-table-column>
</el-table>

js:

data(){
    return {
        tableData: [...]
    }
}

computed: {
    filteredTableData: function(){
    return this.tableData.filter(function(...){...});
    }
}
< hr >

original answer:
is it possible to add a v-if judgment directly?
like this: 

<el-table-column v-if="leftNum!=0" align="center" label="" prop="leftNum"></el-table-column>

row-class-name this method can also implement 

.el-table .hidden-row {
    display: none;
 }

deal with tableData, delete the one with the number of 0

the tableData Filter from the background, process the data and then show it.

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