通过VUE实现简单选项卡切换练习VUE一些属性，将面向DOM写的选项卡切换，用VUE写一遍, 可能对大佬来讲比较简单，但

练习VUE一些属性，将面向DOM写的选项卡切换，用VUE写一遍

<!DOCTYPE html>
<html lang="zh-cn">
 
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Vue switchTab</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
 
    a {
      text-decoration: none;
    }
 
    .tab-wrap {
      display: flex;
      flex-direction: column;
      margin: 100px auto;
      width: 280px;
      height: 380px;
      border: 1px solid #222;
    }
 
    .tab-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 40px;
      text-align: center;
    }
 
    .tab-title>a {
      flex: 1;
      padding: 2px 10px;
      line-height: 40px;
      color: #222;
    }
 
    .tab-title>a+a {
      border-left: 1px solid #ccc
    }
 
    .tab-content {
      flex: 1;
      position: relative;
      border-top: 1px solid #222;
    }
 
    .tab-item {
      position: absolute;
      width: 100%;
      height: 100%;
      background-color: #fff;
      line-height: 180px;
      text-align: center;
    }
 
    .tab-title>a.active {
      background-color: #222;
      color: #fff;
    }
  </style>
</head>
 
<body>
  <div id="container">
    <div class="tab-wrap">
      <div class="tab-title">
        <a href="javascript:;" @click.prevent.stop="switchTabs(idx)" :class={active:idx===tabIdx}
          v-for="(item,idx) in tabs">{{item.title}}</a>
      </div>
      <div class="tab-content">
        <div class="tab-item">{{tabs[tabIdx].content}}</div>
      </div>
    </div>
  </div>
 
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
  <script>
    const app = new Vue({
      el: '#container',
      data() {
        return {
          tabIdx: 0,
          tabs: [
            {
              title: '小明',
              content: '我是小明'
            },
            {
              title: '小红',
              content: '我是小红'
            },
            {
              title: '小花',
              content: '我是小花'
            }
          ]
        }
      },
      methods: {
        switchTabs(idx) {
          this.tabIdx = idx
        }
      }
 
    })
  </script>
</body>
 
</html>