SOURCE

var vm = new Vue({
  el: '#app',
  data: {
    searchtext: '',
    products: [{
      name: '苹果',
      price: 25,
      category: "水果"
    },
    {
      name: '香蕉',
      price: 15,
      category: "水果"
    },
    {
      name: '雪梨',
      price: 65,
      category: "水果"
    },
    {
      name: '宝马',
      price: 2500,
      category: "汽车"
    },
    {
      name: '奔驰',
      price: 10025,
      category: "汽车"
    },
    {
      name: '柑橘',
      price: 15,
      category: "水果"
    },
    {
      name: '奥迪',
      price: 25,
      category: "汽车"
    }]
  },
  computed: {
    searchData: function() {
      var searchtext = this.searchtext;

      if (searchtext) {
        return this.products.filter(function(product) {
          return Object.keys(product).some(function(key) {
            return String(product[key]).toLowerCase().indexOf(searchtext) > -1
          })
        })
      }

      return this.products;
    }
  }
})

<script src="https://unpkg.com/vue/dist/vue.js"></script>
<div id="app">
  <input v-model='searchtext' />
  <ul v-for="item in searchData ">
    <li>
      {{item.name}},价格:￥{{item.price}}
    </li>
  </ul>
</div>