vue--实现hover效果

<template>
 <div class="item-code-container">
    <div class="fixed">
        <div class="iconfont icon-erweima " v-on:mouseenter="visible" @mouseleave="invisible"></div>
    </div>
    <div class="code">
          <img src="@/assets/code.png" alt="" v-show="showCode">
    </div>
  </div>
</template>

css:

<style lang="less">
.item-code-container{
   position: fixed;
   top:75%;
   right: 150px;
.fixed{
    border-radius:3px;
    border: 1px solid #CCC;
    div{
      padding: 3px;
      border-bottom: 1px solid #CCC;
    }
    div:hover{
      background: #e44f50;
    }
    .iconfont {
        font-size: 40px;
        color: #fff;
        background: #CCC;
  }

 }
 .code{
   position: absolute;
   top:30px;
   right: -100px;
 }
}
</style>

js:

export default {
    data() {
    return {
      showCode:false
    };
  },
  methods: {
    visible:function(){
            this.showCode = true;
      },
    invisible:function(){
        this.showCode = false;
    }
  }
}
</script>