import VueClipboard from 'vue-clipboard2'

  Vue.use(VueClipboard)

export default{
  install(Vue,opstion){
    //把方法写在vue原型方便调用
   Vue.prototype.copy = function (value) {
    this.$copyText(
     `${value}`
    ).then( res => {
     //这是element的Message 消息提示组件
      this.$message({
       message: "复制成功",
       type: "success"
      });
     },
     err => {
      this.$message.error("复制失败");
     }
    );
   },
  }
}

<template>
     <el-tooltip class="item" effect="dark" content="复制" placement="bottom">
       <i class="icon copy iconfont" @click.stop="copyCode()"></i>
     </el-tooltip>
    </template>
    
    <script>
    
    //直接调用copy方法就可以了
      copyCode(scope) {
      //把需要复制的内容传value
         this.copy(scope.row.date);
       },
    </script>