<input type="text" placeholder="请输入搜索内容" v-model="search">
<p v-for="(item, index) in searchMethod" :key="index">{{ item.name }}</p>

arr: [
    {name: 'qq', baz: '1'},
    {name: 'qq2', baz: '12'},
    {name: 'q3q', baz: '13'},
    {name: 'qq4', baz: '14'},
    {name: 'qq5', baz: '15'},
    {name: 'qq6', baz: '16'},
    {name: 'qq7', baz: '17'},
    {name: 'qq8', baz: '18'},
    {name: 'qq9', baz: '19'},
],
search: ''


computed: {
    searchMethod() {
        return this.arr.filter(value => {
            return value.name.match(this.search)
        })
    }
},