摘要：
<template> <div ref="myRef">获取单个DOM元素</div> </template> <script> import { ref, onMounted } from 'vue'; export default { setup() { const myRef = ref(nu 阅读全文
摘要：
<span v-show="!this.timer" @click="getCode">获取验证码</span> <span v-else class="count">{{count}} s</span> data(){ return { show: true, count: '', timer: 阅读全文