Vue.js實現(xiàn)按鈕的動態(tài)綁定效果及實現(xiàn)代碼

更新時間：2017年08月21日 14:33:42 作者：Dragonir

本文通過實例代碼給大家介紹了Vue.js實現(xiàn)按鈕的動態(tài)綁定效果，代碼簡單易懂，非常不錯，具有參考借鑒價值，需要的的朋友參考下吧

實現(xiàn)效果：

實現(xiàn)代碼以及注釋：

<!DOCTYPE html>
<html>
<head>
  <title>按鈕綁定</title>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style type="text/css">
    *{
      margin: 0;
      padding: 0;
    }
    body{
      font: 15px/1.3 'Open Sans', sans-serif;
      color: #5e5b64;
      text-align: center;
    }
    a, a:visited{
      outline: none;
      color: #3b9dc1;
    }
    a:hover{
      text-decoration: none;
    }
    section, footer, header, aside, nav{
      display: block;
    }
    /* 菜單欄 */
    nav{
      display: inline-block;
      margin: 60px auto 45px;
      background-color: #5597b4;
      box-shadow: 0 1px 1px #ccc;
      border-radius: 2px;
    }
    nav a{
      display: inline-block;
      padding: 18px 30px;
      color: #fff !important;
      font-weight: bold;
      font-size: 16px;
      text-decoration: none !important;
      line-height: 1;
      text-transform: uppercase;
      background-color: transparent;
      -webkit-transition:background-color 0.25s;
      z-index: moz-transition:background-color 0.25s;
      transition:background-color 0.25s;
    }
    nav a:first-child{
      border-radius:2px 0 0 2px;
    }
    nav a:last-child{
      border-radius:0 2px 2px 0;
    }
    nav.home .home,
    nav.projects .projects,
    nav.services .services,
    nav.contact .contact{
      background-color:#e35885;
    }
    p{
      font-size:22px;
      font-weight:bold;
      color:#7d9098;
    }
    p b{
      color:#ffffff;
      display:inline-block;
      padding:5px 10px;
      background-color:#c4d7e0;
      border-radius:2px;
      text-transform:uppercase;
      font-size:18px;
    }
  </style>
</head>
<body>
<div id="main">
  <!--導航欄菜單會得到處于active的變量的值作為一個class -->
  <!-- 為了防止當我們點擊鏈接時頁面發(fā)生跳轉，我們使用prevent優(yōu)化 -->
  <nav v-bind:class="active" v-on:click.prevent>
    <!-- 當一個菜單中的鏈接被點擊，我們調用定義在javaScript vue中的makeActive方法 -->
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="home" v-on:click="makeActive('home')">Home</a>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="projects" v-on:click="makeActive('projects')">Projects</a>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="services" v-on:click="makeActive('services')">Services</a>
    <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="contact" v-on:click="makeActive('contact')">Contact</a>
  </nav>
  <!-- mustache表達式將被active的值替換，它將發(fā)生任何變化它都將會自動更新-->
  <p>YOU SELECTED <b>{{active}}</b></p>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.0.5/vue.min.js"></script>
<script type="text/javascript">
  // 創(chuàng)建一個Vue示例，并且傳遞一個可選對象
  var demo = new Vue({
    // 一個DOM元素表示我們的view模型
    el: '#main',
    // 定義屬性值，給定初始化值
    data: {
      active: 'home'
    },
    // 我們需要使用到的函數(shù)
    methods: {
      makeActive: function(item){
        // 當一個model發(fā)生變化，view會自動更新
        this.active = item;
      }
    }
  });
</script>
</body>
</html>

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