vue3自定义指令实现按钮防抖示例详解

export default (app) => {
  app.directive('preReClick', {
    mounted(el, binding) {
      el.addEventListener('click', () => {
        if (!el.disabled) {
          el.disabled = true;
          setTimeout(() => {
            el.disabled = false;
          }, binding.value || 2000)
        }
      })
    }
  })
}

import { createApp } from 'Vue'
import App from './App.vue'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.CSS'
// import myPlugin from './plugins/myPlugin'
import showTip from './directives/showTip.js';
import preReClick from './directives/preReClick.js';
const app = createApp(App);
app.directive('show-tip', showTip);
app.use(ElementPlus).use(preReClick).mount('#app');

<template>
  <div class="test-wrapper">
    <div class="test-value">
      <el-tooltip placement="top" :content="name">{{name}}</el-tooltip>
    </div>
    <button @click="confirm" v-preReClick>点我点我</button>
  </div>
</template>
<script setup>
const name = '这是一段一段一段一段一段非常非常非常非常长长的文本';
const confirm = () => {
  console.log('触发了按钮点击事件');
}
</script>
<style scoped>
.test-value {
  width: 100%;
  display: inline-block;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}
</style>