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<template>
<div class="app-container">
<div class="filter-container">
<el-checkbox-group v-model="checkboxVal">
<el-checkbox label="apple">apple</el-checkbox>
<el-checkbox label="banana">banana</el-checkbox>
<el-checkbox label="orange">orange</el-checkbox>
</el-checkbox-group>
</div>
<el-table :data="tableData" :key='key' border fit highlight-current-row style="width: 100%">
<el-table-column prop="name" label="fruitName" width="180"></el-table-column>
<el-table-column :key='fruit' v-for='fruit in formThead' :label="fruit">
<template slot-scope="scope">
{{scope.row[fruit]}}
</template>
</el-table-column>
</el-table>
</div>
</template>
<script>
const defaultFormThead = ['apple', 'banana']
export default {
data() {
return {
tableData: [
{
name: 'fruit-1',
apple: 'apple-10',
banana: 'banana-10',
orange: 'orange-10'
},
{
name: 'fruit-2',
apple: 'apple-20',
banana: 'banana-20',
orange: 'orange-20'
}
],
key: 1, // table key
formTheadOptions: ['apple', 'banana', 'orange'],
checkboxVal: defaultFormThead, // checkboxVal
formThead: defaultFormThead // 默认表头 Default header
}
},
watch: {
checkboxVal(valArr) {
this.formThead = this.formTheadOptions.filter(i => valArr.indexOf(i) >= 0)
this.key = this.key + 1// 为了保证table 每次都会重渲 In order to ensure the table will be re-rendered each time
}
}
}
</script>