使用vue制作网页跳转

<div id="app">
      <a v-bind:href="url">百度</a>
  <button v-on:click='handle'>切换</button>
    </div>
    <script type="text/javascript" src='js/vue.js'></script>
    <script type="text/javascript">
      var vm=new Vue({
        el:'#app',
        data:{
          num:0,
          url:'https://www.baidu.com/'
        },
        methods:{
          handle:function(){
          this.url='http://itcast.cn';
          }
        }
      });
    </script>
</body>