1.下载clipboard.js

npm install clipboard --save

2.引入插件

//main.js中全局引入
import clipboard from 'clipboard';
Vue.prototype.Clipboard = clipboard

3.应用代码

 <a @click="copy" :data-clipboard-text="record.wenjuanLink" id="express_info_right">复制链接</a>
 <!--data-clipboard-text 值为要复制的文本内容 -->

methods:{
  copy(){
      let clipboard = new this.Clipboard("#express_info_right");
      let that = this
      clipboard.on('success', function () {
        that.$message.success('复制成功');
        clipboard.destroy();
      });
      clipboard.on('error', function () {
        that.$message.error('复制失败');
      });
    },
}