vue通过事件对象获取标签上的属性值

<template>
  <div><button data-id=‘qwe‘ @click="btnClick">按钮</button></div>
</template>

<script>
export default {
  data(){
    return {
        msg:‘‘
    }

  },
  methods:{
    btnClick(e){
      console.log(e.target.dataset) //属性是以data-xx-xx 的形式,否则不能获取到
      console.log(e.target.getAttribute(‘data-id‘)) //没有上面的局限性

    }
  }
}
</script>

<style lang="scss">
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

#nav {
  padding: 30px;

  a {
    font-weight: bold;
    color: #2c3e50;

    &.router-link-exact-active {
      color: #42b983;
    }
  }
}
</style>