vue2项目中如何使用clipboard复制插件

npm install clipboard --save

import Clipboard from 'clipboard'

 <div ref="main" class="main">
    <button @click="copy">copy</button>
</div>

copy(code) {
      let clipboard = new Clipboard(".main", {
        text() {
          // console.log(trigger);
          //返回字符串
          return code;
        },
      });
      // 复制成功
      clipboard.on("success", () => {
        this.Message('You have successfully copied the code. Please paste in game to redeem.')
        clipboard.destroy();
      });
      
    },

npm i vue-clipboard2

import Vue from 'vue'
import VueClipBoard from 'vue-clipboard2'

// ...
Vue.use(VueClipBoard)
// ...

 <template>
           <el-button
              type="primary"
              v-clipboard:copy="copyTxt"
              v-clipboard:success="copySuc">
              点我复制
            </el-button>
 </template>
 export default {
  data() {
    return {
    	copyTxt:'我是复制的内容！'
    }
  },
methods:{
  copySuc() {
      return this.$message({
        message: '复制成功',
        type: 'success',
      })
    },
}
}