30-seconds of code点击复制链接到剪贴板

引用：https://www.30secondsofcode.org/js/s/copy-to-clipboard 

<template>
    <div class='container'>
  
        <div style="margin-top: 50px;">
            <el-button type="primary" @click="copyUrl">点击复制链接</el-button>

            <div ref="link">{
   
   {linkUrl}}</div>
        </div>

    </div>
</template>

<script>
  export default {
    name: 'index',
    data(){
      return{
        linkUrl: 'https://www.csdn.net/'
      }
    },
    mounted(){

    },
    methods: {
      copyUrl(){
        this.copyToClipboard(this.linkUrl)
      },

      copyToClipboard (str) {
        const el = document.createElement('textarea');
        el.value = str;
        el.setAttribute('readonly', '');
        el.style.position = 'absolute';
        el.style.left = '-9999px';
        document.body.appendChild(el);
        const selected =
          document.getSelection().rangeCount > 0 ? document.getSelection().getRangeAt(0) : false;
        el.select();
        document.execCommand('copy');
        document.body.removeChild(el);
        if (selected) {
          document.getSelection().removeAllRanges();
          document.getSelection().addRange(selected);
        }
      },

    }
  }
</script>

<style scoped>


</style>