59 lines
1.6 KiB
Vue
59 lines
1.6 KiB
Vue
<template>
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<div class="app-container">
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<div class="filter-container">
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<el-checkbox-group v-model="checkboxVal" >
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<el-checkbox label="apple">apple</el-checkbox>
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<el-checkbox label="banana">banana</el-checkbox>
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<el-checkbox label="orange">orange</el-checkbox>
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</el-checkbox-group>
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</div>
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<el-table :data="tableData" :key='key' style="width: 100%">
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<el-table-column prop="name" label="fruitName" width="180"></el-table-column>
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<el-table-column :key='fruit' v-for='(fruit,index) in formThead' :label="fruit">
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<template scope="scope">
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{{scope.row[fruit]}}
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</template>
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</el-table-column>
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</el-table>
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</div>
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</template>
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<script>
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const defaultFormThead = ['apple', 'banana'] // 默认选中项
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export default {
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data() {
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return {
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tableData: [
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{
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name: 'fruit-1',
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apple: 'apple-10',
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banana: 'banana-10',
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orange: 'orange-10'
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},
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{
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name: 'fruit-2',
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apple: 'apple-20',
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banana: 'banana-20',
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orange: 'orange-20'
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}
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],
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key: 1, // table key
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formTheadOptions: ['apple', 'banana', 'orange'], // 可选择表头
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checkboxVal: defaultFormThead, // checkboxVal
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formThead: defaultFormThead // 默认表头
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}
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},
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watch: {
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checkboxVal(valArr) {
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this.formThead = this.formTheadOptions.filter(i => valArr.indexOf(i) >= 0)
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this.key = this.key + 1// 为了保证table 每次都会重渲 （牺牲性能保证效果，当然也可以不用）
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}
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}
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}
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</script>
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