【vue】绑定事件 v-on-编程知识

【vue】绑定事件 v-on

v-on
- 简写：@
@click
@keyup
@keydown
@keyup.w
@keyup.ctrl.a

在这里插入图片描述

<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title>
</head><body><div id="app"><!-- 插值表达式 -->{{msg}}<h2>{{web.title}}</h2><h2>{{web.url}}</h2><!-- v-on例子 --><button v-on:click="edit">修改网址</button><br><!-- v-on简写 --><button @click="edit">修改网址(v-on简写)</button><hr><h2>{{web.user}}</h2>点文本框，按回车<input type="text" @keyup.enter="add(40,60)"><br>点文本框，按空格<input type="text" @keyup.space="add(40,60)"><br>点文本框，按Tab</Table><input type="text" @keydown.tab="add(40,60)"><br>点文本框，按w<input type="text" @keyup.w="add(40,60)"><br>Ctrl+Enter<input type="text" @keyup.ctrl.enter="add(40,60)"><br>Ctrl+a<input type="text" @keyup.ctrl.a="add(40,60)"><br></div><script type="module">import { createApp, reactive } from './vue.esm-browser.js'createApp({setup() {const web = reactive({title: "tao355667",url: "tao355667.com",user: 0})const edit = () => {web.url = "http://www.tao355667.com"}const add = (a, b) => {web.user += a + b}return {msg: "success",web,edit,add}}}).mount("#app")</script>
</body></html>