简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > List of blog posts > 实例演示条件渲染与列表渲染
Blogger Information
Blog 37
fans 0
comment 0
visits 14215
Special Recommendation
More>
Related recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
实例演示条件渲染与列表渲染
秋闲独醉
Original
308 people have browsed it
  1. <!DOCTYPE html>
  2. <html lang="en">
  3.   <head>
  4.     <meta charset="UTF-8" />
  5.     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  6.     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  7.     <title>Document</title>
  8.     <style>
  9.       table {
  10.         width: 20em;
  11.         height: 10em;
  12.         text-align: center;
  13.         border-collapse: collapse;
  14.         margin: 1em;
  15.       }
  17.       table caption {
  18.         font-size: 1.2em;
  19.         padding: 1em;
  20.         margin-bottom: 2em;
  21.         border-bottom: 1px solid;
  22.       }
  24.       tbody tr th:first-of-type {
  25.         background: linear-gradient(to left, lightcyan, #fff);
  26.         border-right: 1px solid;
  27.       }
  29.       body tbody tr:not(:last-of-type) > * {
  30.         border-bottom: 1px solid;
  31.       }
  32.     </style>
  34.     <script src="https://unpkg.com/vue@next"></script>
  35.   </head>
  36.   <body>
  37.     <!-- es6 -->
  38.     <!-- <p> -->
  39.     <!-- 事件属性 -->
  40.     <!-- <a href="https://www.php.cn" onclick="showUrl(this)">show URL : </a>
  41.       <span class="url"></span>
  42.     </p> -->
  44.     <!-- <script>
  45.       //   es6 原生方法
  46.       function showUrl(ele) {
  47.         event.preventDefault();
  48.         console.log(ele.nextElementSibling);
  49.         console.log(event.currentTarget.nextElementSibling);
  50.         // event.currentTarget.nextElementSibling.textContent = event.currentTarget.href;
  51.         ele.nextElementSibling.textContent = ele.href;
  52.       }
  53.     </script> -->
  55.     <!-- Vue -->
  56.     <!-- <div id="app"> -->
  57.     <!-- 事件属性 -->
  58.     <!-- <a href="https://www.php.cn" v-on:click="showUrl($event)">show URL : </a> -->
  59.     <!-- <span v-text="url"></span> -->
  60.     <!-- <span v-text="'url'"></span> -->
  61.     <!-- </div> -->
  63.     <!-- 循环渲染 -->
  64.     <!-- <div id="app">
  65.       <ul>
  66.         <li v-text="cities[0]"></li>
  67.         <li v-text="cities[1]"></li>
  68.         <li v-text="cities[2]"></li>
  69.         <li v-text="cities[3]"></li>
  70.       </ul>
  71.       <ul>
  72.         <li v-for="city of cities" v-bind:key="index">{{city}}</li>
  73.       </ul>
  74.       <ul>
  75.         <li v-text="user.name"></li>
  76.         <li v-text="user.age"></li>
  77.       </ul>
  78.       <ul>
  79.         <li v-for="(user,index) of users" v-bind:key="index">第{{++index}}-{{user.name}}:{{user.age}}岁</li>
  80.       </ul>
  81.     </div> -->
  83.     <!-- 条件渲染 -->
  84.     <!-- <div id="app">
  85.       <p v-if="flag">{{content}}</p>
  86.       <button v-on:click="flag = !flag" v-text="flag ? '隐藏':'显示'"></button>
  87.       <p v-if="distance >1000">我在{{cities[0]}}</p>
  88.       <p v-else-if="distance>800 & distance <=1000">我在{{cities[1]}}</p>
  89.       <p v-else-if="distance >500 & distance <=800">我在{{cities[2]}}</p>
  90.       <p v-else-if="distance <=500">我在{{cities[3]}}</p>
  91.     </div> -->
  93.     <!-- Vue留言版 -->
  94.     <!-- <div id="app"> -->
  95.     <!-- <input type="text" placeholder="请输入你的留言" v-on:keydown="talk($event)" /> -->
  96.     <!-- enter:键盘修饰符,代表回车  .enter -->
  97.     <!-- <input type="text" placeholder="请输入你的留言" v-on:keydown.enter="talk($event)" />
  98.       <ul>
  99.         <li v-for="msg of message" :key="index">{{msg}}</li>
  100.       </ul>
  101.     </div> -->
  103.     <!-- 计算属性,侦听器属性 -->
  104.     <div id="app">
  105.       <table>
  106.         <caption>
  107.           商品结算
  108.         </caption>
  109.         <tbody>
  110.           <tr>
  111.             <th>ID</th>
  112.             <td>HA110</td>
  113.           </tr>
  114.           <tr>
  115.             <th>品名</th>
  116.             <td>伊利纯牛奶</td>
  117.           </tr>
  118.           <tr>
  119.             <th>单价</th>
  120.             <td>100</td>
  121.           </tr>
  122.           <tr>
  123.             <th>数量</th>
  124.             <td><input type="number" v-model="num" style="width: 5em" /></td>
  125.           </tr>
  126.           <tr>
  127.             <th>金额</th>
  129.             <!-- <td>{{num * price}}</td> -->
  130.             <td>{{amount}}</td>
  131.           </tr>
  132.         </tbody>
  133.       </table>
  134.       <p style="font-size: 1.2em">
  135.         实付金额: {{realAmount}}, 优惠了 :
  136.         <span style="color: red">{{difAmount}}</span>
  137.       </p>
  138.     </div>
  140.     <script>
  141.       const app = Vue.createApp({
  142.         data() {
  143.           return {
  144.             url: null,
  145.             cities: ["北京", "上海", "杭州", "厦门"],
  146.             user: {
  147.               name: "小鸡",
  148.               age: 18,
  149.             },
  150.             users: [
  151.               {
  152.                 name: "小马",
  153.                 age: 19,
  154.               },
  155.               {
  156.                 name: "小猪",
  157.                 age: 20,
  158.               },
  159.               {
  160.                 name: "小牛",
  161.                 age: 30,
  162.               },
  163.             ],
  164.             content: "你找到我了，恭喜你",
  165.             flag: false,
  166.             distance: 600,
  167.             message: [],
  169.             price: 100,
  170.             num: 0,
  171.             discount: 1,
  172.           };
  173.         },
  174.         methods: {
  175.           showUrl(ev) {
  176.             ev.preventDefault();
  177.             this.url = ev.currentTarget.href;
  178.           },
  179.           talk(ev) {
  180.             console.log(ev);
  181.             // if (ev.key === "Enter") {
  182.             //   this.message.unshift(ev.currentTarget.value);
  183.             //   ev.currentTarget.value = null;
  184.             // }
  185.             this.message.unshift(ev.currentTarget.value);
  186.             ev.currentTarget.value = null;
  187.           },
  188.         },
  189.         //计算属性(访问器属性)
  190.         computed: {
  191.           amount: {
  192.             get() {
  193.               return this.price * this.num;
  194.             },
  195.           },
  196.         },
  197.         //侦听属性
  198.         watch: {
  199.           amount(current, origin) {
  200.             console.log(current, origin);
  202.             switch (true) {
  203.               case current >= 1000 && current < 2000:
  204.                 this.discount = 0.9;
  205.                 break;
  207.               case current >= 2000 && current < 3000:
  208.                 this.discount = 0.8;
  209.                 break;
  210.               case current >= 3000 && current < 5000:
  211.                 this.discount = 0.6;
  212.                 break;
  213.             }
  214.             this.realAmount = this.amount * this.discount;
  215.             this.difAmount = this.amount - this.realAmount;
  216.           },
  217.         },
  219.         mounted() {
  220.           this.num = 1;
  221.         },
  222.       }).mount("#app");
  223.     </script>
  224.   </body>
  225. </html>
Correcting teacher：PHPzPHPz

Correction status：qualified

Teacher's comments：
Statement of this Website
The copyright of this blog article belongs to the blogger. Please specify the address when reprinting! If there is any infringement or violation of the law, please contact admin@php.cn Report processing!
All comments Speak rationally on civilized internet, please comply with News Comment Service Agreement
0 comments
Author's latest blog post
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！