子组件

<input type="search" @keyup.13="searchGoods" placeholder="请输入关键词"  v-model="searchValue" />
<p @click="searchGoods">搜索</p>

 searchGoods() {
      this.$emit("gosearch", this.searchValue);
    }

父组件

<search @gosearch="searchGoods"></search>
searchGoods(value) {
      console.log(value);
 }
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