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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 v-for="fruit in formThead" :key="fruit" :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>
|
|
