VUE学习六之绑定样式及条件属性

绑定样式及条件属性

  • 绑定样式
  • 条件属性

绑定样式

DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>绑定样式title>
		<style>
			.basic{
				width: 400px;
				height: 100px;
				border: 1px solid black;
			}
			
			.happy{
				border: 4px solid red;;
				background-color: rgba(255, 255, 0, 0.644);
				background: linear-gradient(30deg,yellow,pink,orange,yellow);
			}
			.sad{
				border: 4px dashed rgb(2, 197, 2);
				background-color: gray;
			}
			.normal{
				background-color: skyblue;
			}

			.atguigu1{
				background-color: yellowgreen;
			}
			.atguigu2{
				font-size: 30px;
				text-shadow:2px 2px 10px red;
			}
			.atguigu3{
				border-radius: 20px;
			}
		style>
		<script type="text/javascript" src="../js/vue.js">script>
	head>
	<body>
		
		
		<div id="root">
			
			<div class="basic" :class="mood" @click="changeMood">{{name}}div> <br/><br/>

			
			<div class="basic" :class="classArr">{{name}}div> <br/><br/>

			
			<div class="basic" :class="classObj">{{name}}div> <br/><br/>

			
			<div class="basic" :style="styleObj">{{name}}div> <br/><br/>
			
			<div class="basic" :style="styleArr">{{name}}div>
		div>
	body>

	<script type="text/javascript">
		Vue.config.productionTip = false
		
		const vm = new Vue({
			el:'#root',
			data:{
				name:'尚硅谷',
				mood:'normal',
				classArr:['atguigu1','atguigu2','atguigu3'],
				classObj:{
					atguigu1:false,
					atguigu2:false,
				},
				styleObj:{
					fontSize: '40px',
					color:'red',
				},
				styleObj2:{
					backgroundColor:'orange'
				},
				styleArr:[
					{
						fontSize: '40px',
						color:'blue',
					},
					{
						backgroundColor:'gray'
					}
				]
			},
			methods: {
				changeMood(){
					const arr = ['happy','sad','normal']
					const index = Math.floor(Math.random()*3)
					this.mood = arr[index]
				}
			},
		})
	script>
	
html>

条件属性

DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>条件渲染title>
		<script type="text/javascript" src="../js/vue.js">script>
	head>
	<body>
		
		
		<div id="root">
			<h2>当前的n值是:{{n}}h2>
			<button @click="n++">点我n+1button>
			
			
			

			
			
			

			
			

			
			<template v-if="n === 1">
				<h2>你好h2>
				<h2>尚硅谷h2>
				<h2>北京h2>
			template>

		div>
	body>

	<script type="text/javascript">
		Vue.config.productionTip = false

		const vm = new Vue({
			el:'#root',
			data:{
				name:'尚硅谷',
				n:0
			}
		})
	script>
html>

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