vue如何触发某个元素的单击事件?

<a class="link" @click.native="test">1111</a>
<a class="link" @click.native="test">2222</a>
<a class="link" @click.native="test">333</a>

<button @test='shout'>点击我触发a的单击事件</button>

  <script type="text/javascript">
    var vm = new Vue({
      el:"#app",
      methods: {
        test: function () {
          console.log(1);
          this.$emit('test');//把a标签的点击事件分发
        },
        shout:function () {
          console.log('我触发了它');
        }
      }
    })
  </script>
应该是这样的。待考察