vue不推荐直接在子组件中修改父组件传来的props的值，会报错

[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop's value. Prop being mutated: "result" (found in component )

<input v-model="currentSearch" type="text" class="input-search" @keydown.enter="doSearch">export default { name:"round-search-bar", props:['search'], //父组件传来的值 data(){ return { currentSearch: this.search //通过data, 定义新变量currentSearch, 这样currentSearch的值变更时，不会影响父组件传来的search的值 } }, methods: { doSearch(){ Util.searchAPI(this.$router,this.currentSearch) } },}

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