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| // 子组件中
| <template>
| <div class="com_a">
| <span>{{messageA}}</span>
| <p>获取父组件的值为: {{parentVal}}</p>
| </div>
| </template>
|
| <script>
| export default {
| data() {
| return {
| messageA: 'this is old'
| }
| },
| computed: {
| parentVal() {
| return this.$parent.msg;
| }
| }
| }
| </script>
|
|