vueは多条件とあいまいな検索機能を実現します。

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

  <select name="sex" width='100' v-model="formData.sex">
  <option value="" selected>   </option>
  <option value="1"> </option>
  <option value="2"> </option>
  <option value="3">   </option>
  </select>

  <input type="text" v-model="formData.phone" placeholder="  (    )">

  <input type="text" v-model="formData.name" placeholder="  (    )">

  <button @click="search(formData)">    </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: '  ',
   phone: 18715023011,
   sex: 1,
  },
  {
   name: '  ',
   phone: 18715023012,
   sex: 2,
  },
  {
   name: '  ',
   phone: 18715023013,
   sex: 1,
  },
  {
   name: '  ',
   phone: 18715023014,
   sex: 2,
  },
  {
   name: '  ',
   phone: 18715023015,
   sex: 1,
  },
  {
   name: '  ',
   phone: 18715023016,
   sex: 2,
  },
  ],
 };
 },
 filters: {
 filterSex(val) {
  switch (val) {
  case 1:
   return ' ';
   break;
  case 2:
   return ' ';
   break;
  case 3:
   return '   ';
   break;
  default:
   return ' ';
  }
 },
 },
 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; //      
  let matchSex = true; //      
  let matchPhone = true; //      

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

  if (phone) {
   // console.info(Object.prototype.toString.call(phone));
   matchPhone = item.phone == phone;
  }

  if (name) {
   //     ;
   const keys = name
   .toUpperCase() //    
   .replace(' ', '') //     
   .split(''); //        

   matchName = keys.every(key => item.name.toUpperCase().includes(key));
  }
  return matchName && matchPhone && matchSex;
  });
 },
 },
};