vue实现多条件和模糊搜索功能

<div class="content">
 <div class="right">

  <select name="sex" width='100' v-model="formdata.sex">
  <option value="" selected>请选择</option>
  <option value="1">男</option>
  <option value="2">女</option>
  <option value="3">不是人</option>
  </select>

  <input type="text" v-model="formdata.phone" placeholder="电话(精准搜索)">

  <input type="text" v-model="formdata.name" placeholder="姓名(模糊搜索)">

  <button @click="search(formdata)">提交数据</button>
 </div>
 <div class="left">
  <ul>
  <li v-for="(item,index) in reallist" :key="index">
   {{item.name}} || {{item.phone}} || {{item.sex | filtersex}}
  </li>
  </ul>
 </div>
 </div>

export default {
 name: 'styletest',
 data() {
 return {
  formdata: {
  name: '',
  phone: '',
  sex: '',
  },
  reallist: [],
  list: [
  {
   name: '张址',
   phone: 18715023011,
   sex: 1,
  },
  {
   name: '张三',
   phone: 18715023012,
   sex: 2,
  },
  {
   name: '李四',
   phone: 18715023013,
   sex: 1,
  },
  {
   name: '赵武',
   phone: 18715023014,
   sex: 2,
  },
  {
   name: '晋南',
   phone: 18715023015,
   sex: 1,
  },
  {
   name: '张东',
   phone: 18715023016,
   sex: 2,
  },
  ],
 };
 },
 filters: {
 filtersex(val) {
  switch (val) {
  case 1:
   return '男';
   break;
  case 2:
   return '女';
   break;
  case 3:
   return '不是人';
   break;
  default:
   return '男';
  }
 },
 },
 computed: {
 // reallist() {
 // let { name, phone, sex } = this.formdata;
 // if (name && phone && sex) {
 //  return this.list;
 // }
 // },
 },
 created() {
 this.search({});
 },
 methods: {
 search({ name, phone, sex }) {
  this.reallist = this.list.filter(item => {
  let matchname = true; // 姓名 筛选
  let matchsex = true; // 性别 筛选
  let matchphone = true; // 号码 筛选

  if (sex) {
   matchsex = item.sex == sex;
  }

  if (phone) {
   // console.info(object.prototype.tostring.call(phone));
   matchphone = item.phone == phone;
  }

  if (name) {
   // 模糊搜索;
   const keys = name
   .touppercase() // 转大写
   .replace(' ', '') // 删掉空格
   .split(''); // 切割成 单个字

   matchname = keys.every(key => item.name.touppercase().includes(key));
  }
  return matchname && matchphone && matchsex;
  });
 },
 },
};