Vue实现增加删除检索数据
1 <!DOCTYPE html> 2 <html lang="en"> 3 4 <head> 5 <meta charset="UTF-8"> 6 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 7 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 8 <title>Document</title> 9 <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> 10 </head> 11 12 <body> 13 <div id="app"> 14 id: <input type="text" v-model="id"> 15 name: <input type="text" v-model="name"> 16 <button @click='add'>添加</button> 17 请输入关键字: <input type="text" v-model="keywords"><button @change='search'>检索</button> 18 <table> 19 <tr v-for="(item,index) in search()"> 20 <td>{{item.id}}</td> 21 <td>{{item.name}}</td> 22 <td><a href="#" @click.prevent='del(item.id)'>删除</a></td> 23 </tr> 24 </table> 25 </div> 26 <script> 27 var vm = new Vue({ 28 el: '#app', 29 data: { 30 id: '', 31 name: '', 32 keywords: '', 33 list: [{ 34 id: 1, 35 name: '宝马', 36 37 }, 38 { 39 id: 2, 40 name: '凯迪拉克', 41 42 }, 43 { 44 id: 3, 45 name: '白龙马', 46 47 }, 48 { 49 id: 4, 50 name: '奥迪', 51 52 } 53 ] 54 }, 55 methods: { 56 add() { 57 this.list.push({ 58 id: this.id, 59 name: this.name 60 }); 61 this.id = ''; 62 this.name = ''; 63 }, 64 del(id) { 65 const index = this.list.findIndex(function (item, i, arr) { 66 return item.id == id; 67 }); 68 this.list.splice(index, 1); 69 }, 70 // search() { 71 // let arr = []; 72 // for (index in this.list) { 73 // // if (this.list[index].name.indexOf(this.keywords) != -1) { 74 // // arr.push(this.list[index]); 75 // // } 76 // //另一种更简洁的方法 77 // if (this.list[index].name.includes(this.keywords)) { 78 // arr.push(this.list[index]); 79 // } 80 // } 81 // return arr; 82 // } 83 84 //简易版本 85 // search() { 86 // const arr = this.list.filter((item) => { 87 // return item.name.includes(this.keywords); 88 // }); 89 // return arr; 90 // } 91 //还可以再简化,一行搞定 92 search() { 93 return this.list.filter(item => item.name.includes(this.keywords)); 94 } 95 } 96 }); 97 </script> 98 </body> 99 100 </html>