目录
一、引言
Vue 会根据不同的【指令】,针对标签实现不同的【功能】
指令:带有v- 前缀的特殊标签属性,不同属性对应不同的功能。
v-html:"表达式 " → 动态解析标签、设置元素 最终效果同innerHTML
v-show:控制元素显示或隐藏
v-if:条件渲染
v-else:辅助v-if 进行判断渲染
v-else-if:辅助v-if 进行判断渲染
v-for:基于数据循环, 多次渲染整个元素 → 数组、对象、数字...
v-on:注册事件 = 添加监听 + 提供处理逻辑
v-bind:动态的设置html的标签属性 → src url title ...
v-model:给表单元素使用, 双向数据绑定 → 可以快速获取或设置表单元素内容。
二、v-html
v-html = " 表达式 " → 动态解析标签、设置元素 最终效果同 innerHTML<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vue Introduction</title>
</head>
<body>
<div id="app">
<div v-html="wangzhandizhi"></div>
<div v-html="biaoti"></div>
</div>
<!-- 引入的时开发版本包 -包含完整的注释和警告 -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
<script>
// 一旦引入VueJS核心包,在全局环境,就有了Vue构造函数
const app = new Vue({
// 通过el配置选择器,指定Vue管理的是哪个盒子
el: '#app',
// 通过data提供数据
data: {
// 响应式数据 -> 数据变化了,视图自动更新
wangzhandizhi: '<a href="https://blog.csdn.net/qushaming?spm=1000.2115.3001.5343">王哲晓的博客</a>',
biaoti: '<h3>努力坚持,一门心思去做好一件事,结果肯定不会差!</h3>'
}
})
</script>
</body>
</html>
三、v-show 和 v-if
3.1. 显示元素
3.2. 隐藏元素
3.3. 代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vue Introduction</title>
<style>
.box {
width: 200px;
height: 100px;
line-height: 100px;
margin: 10px;
border: 3px solid #000;
text-align: center;
border-radius: 5px;
box-shadow: 2px 2px 2px #ccc;
}
</style>
</head>
<body>
<div id="app">
<div v-show="flag" class="box">v-show控制的元素</div>
<div v-if="flag" class="box">v-if控制的元素</div>
</div>
<!-- 引入的时开发版本包 -包含完整的注释和警告 -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
<script>
// 一旦引入VueJS核心包,在全局环境,就有了Vue构造函数
const app = new Vue({
// 通过el配置选择器,指定Vue管理的是哪个盒子
el: '#app',
// 通过data提供数据
data: {
// 响应式数据 -> 数据变化了,视图自动更新
flag: true
}
})
</script>
</body>
</html>
四、v-else 和 v-else-if
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vue Introduction</title>
<style>
.box {
width: 200px;
height: 100px;
line-height: 100px;
margin: 10px;
border: 3px solid #000;
text-align: center;
border-radius: 5px;
box-shadow: 2px 2px 2px #ccc;
}
</style>
</head>
<body>
<div id="app">
<p v-if="gender === 1">性别:♂ 男</p>
<p v-else>性别:♀ 女</p>
<hr>
<p v-if="score >= 90">成绩评定A:奖励嫩模一个</p>
<p v-else-if="score >= 70">成绩评定B:奖励新能源汽车一辆</p>
<p v-else-if="score >= 60">成绩评定C:周末加班两天</p>
<p v-else>成绩评定D:学习和努力工作是为了自我价值的实现,加油吧!</p>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
gender: 2,
score: 95
}
})
</script>
</body>
</html>
五、v-for
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vue Introduction</title>
</head>
<body>
<div id="app">
<h3>持续努力,不辜负余生</h3>
<ul>
<li v-for="(item, index) in list">
{{ item }} - {{ index }}
</li>
</ul>
<ul>
<li v-for="item in list">
{{ item }}
</li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
list: ['坚定', '信念', '努力', '坚持', '自信', '沉稳']
}
})
</script>
</body>
</html>
增加:key和不增加:key的区别在于,不加的话,比如多个<li>元素的列表,我们删除一个时,并不会删除该<li>,而是把下面的<li>值进行位移。加了的话则是把该<li>元素删除。
六、v-on
6.1. 内联语句
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<button @click="count--">-</button>
<span>{{ count }}</span>
<button v-on:click="count++">+</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
count: 100
}
})
</script>
</body>
</html>
6.2. 配置methods中的函数名
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<button @click="fn">切换显示隐藏</button>
<h1 v-show="isShow">王哲晓</h1>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app4 = new Vue({
el: '#app',
data: {
isShow: true
},
methods: {
fn () {
// 让提供的所有methods中的函数,this都指向当前实例
// console.log('执行了fn', app.isShow)
// console.log(app3 === this)
this.isShow = !this.isShow
}
}
})
</script>
</body>
</html>
6.3. 参数传递
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box {
border: 3px solid #000000;
border-radius: 10px;
padding: 20px;
margin: 20px;
width: 200px;
}
h3 {
margin: 10px 0 20px 0;
}
p {
margin: 20px;
}
</style>
</head>
<body>
<div id="app">
<div class="box">
<h3>一鸣售货机</h3>
<button @click="buy(5)">大杯芒果酸奶8.5元</button>
<button @click="buy(10)">三明治12元</button>
<button @click="buy(8)">牛奶7元</button>
</div>
<p>账户余额:{{ money }}元</p>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
money: 100
},
methods: {
buy (price) {
this.money -= price
}
}
})
</script>
</body>
</html>
七、v-bind
7.1. v-bind常用
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<!-- v-bind:src => :src -->
<img v-bind:src="imgUrl" v-bind:title="msg" alt="">
<img :src="imgUrl" :title="msg" alt="">
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
imgUrl: './imgs/liqin.png',
msg: 'hello 李沁'
}
})
</script>
</body>
</html>
7.2. v-bind对于样式控制的增强
为了方便开发者进行样式控制, Vue 扩展了 v-bind 的语法,可以针对 class 类名 和 style 行内样式 进行控制 。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box {
width: 200px;
height: 200px;
border: 3px solid #000;
font-size: 30px;
margin-top: 10px;
}
.pink {
background-color: pink;
}
.big {
width: 300px;
height: 300px;
}
</style>
</head>
<body>
<div id="app">
<div class="box" :class="{ pink: true, big: true}">王哲晓</div>
<div class="box" :class="['pink', 'big']">成为一名合格的程序员</div>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
}
})
</script>
</body>
</html>
京东商城Tab导航高亮:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
ul {
display: flex;
border-bottom: 2px solid #e01222;
padding: 0 10px;
}
li {
width: 100px;
height: 50px;
line-height: 50px;
list-style: none;
text-align: center;
}
li a {
display: block;
text-decoration: none;
font-weight: bold;
color: #333333;
}
li a.active {
background-color: #e01222;
color: #fff;
}
</style>
</head>
<body>
<div id="app">
<ul>
<li v-for="(item, index) in list" :key="item.id" @click="activeIndex = index">
<a :class="{ active: index == activeIndex }" href="#">{{ item.name }}</a>
</li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
activeIndex: 0,
list: [
{ id: 1, name: '京东秒杀' },
{ id: 2, name: '每日特价' },
{ id: 3, name: '品类秒杀' }
]
}
})
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box {
width: 200px;
height: 200px;
background-color: rgb(187, 150, 156);
}
</style>
</head>
<body>
<div id="app">
<div class="box" :style="{ width: '400px', height: '400px', 'backgroundColor': 'green' }"></div>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
}
})
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.progress {
height: 25px;
width: 400px;
border-radius: 15px;
background-color: #272425;
border: 3px solid #272425;
box-sizing: border-box;
margin-bottom: 30px;
}
.inner {
width: 50%;
height: 20px;
border-radius: 10px;
text-align: right;
position: relative;
background-color: #409eff;
background-size: 20px 20px;
box-sizing: border-box;
transition: all 1s;
}
.inner span {
position: absolute;
right: -20px;
bottom: -25px;
}
</style>
</head>
<body>
<div id="app">
<!-- 外层盒子底色(黑色) -->
<div class="progress">
<!-- 内层盒子底色(蓝色) -->
<div class="inner" :style="{ width: percent + '%' }">
<span>{{ percent }}%</span>
</div>
</div>
<button @click="percent = 25">设置25%</button>
<button @click="percent = 50">设置50%</button>
<button @click="percent = 75">设置75%</button>
<button @click="percent = 100">设置100%</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
percent: 50
}
})
</script>
</body>
</html>
八、v-model
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<!--
v-model 可以让数据和视图,形成双向数据绑定
(1) 数据变化,视图自动更新
(2) 视图变化,数据自动更新
可以快速[获取]或[设置]表单元素的内容
-->
账户:<input type="text" v-model="username"> <br><br>
密码:<input type="password" v-model="password"> <br><br>
<button @click="login">登录</button>
<button @click="reset">重置</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
username: '',
password: ''
},
methods: {
login () {
console.log(this.username, this.password)
},
reset () {
this.username = ''
this.password = ''
}
}
})
</script>
</body>
</html>
九、指令修饰符
通过 "." 指明一些指令 后缀,不同 后缀 封装了不同的处理操作 → 简化代码
① 按键修饰符 @keyup.enter → 键盘回车监听
② v-model修饰符
v-model.trim → 去除首尾空格
v-model.number → 转数字
③ 事件修饰符
@事件名.stop → 阻止冒泡
@事件名.prevent → 阻止默认行为
9.1. 按键修饰符
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<h3>@keyup.enter → 监听键盘回车事件</h3>
<input @keyup.enter="fn" v-model="username" type="text">
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
username: ''
},
methods: {
fn (e) {
console.log(e)
console.log('键盘回车的时候触发', this.username)
}
}
})
</script>
</body>
</html>
9.2. v-model和事件修饰符
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.father {
width: 200px;
height: 200px;
background-color: pink;
margin-top: 20px;
}
.son {
width: 100px;
height: 100px;
background-color: skyblue;
}
</style>
</head>
<body>
<div id="app">
<h3>v-model修饰符 .trim .number</h3>
姓名:<input v-model.trim="username" type="text"><br>
年纪:<input v-model.number="age" type="text"><br>
<h3>@事件名.stop → 阻止冒泡</h3>
<div @click="fatherFn" class="father">
<div @click.stop="sonFn" class="son">儿子</div>
</div>
<h3>@事件名.prevent → 阻止默认行为</h3>
<a @click href="http://www.baidu.com">阻止默认行为</a>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
username: '',
age: '',
},
methods: {
fatherFn () {
alert('老父亲被点击了')
},
sonFn (e) {
// e.stopPropagation()
alert('儿子被点击了')
}
}
})
</script>
</body>
</html>
十、练习:多张图片上下翻页
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<button v-show="index > 0" @click="index--">上一页</button>
<div>
<img :src="list[index]" alt="">
</div>
<button v-show="index < list.length - 1" @click="index++">下一页</button>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
index: 0,
list: [
'./imgs/李沁1.gif',
'./imgs/李沁2.gif',
'./imgs/李沁3.gif',
'./imgs/李沁4.gif',
'./imgs/李沁5.png',
'./imgs/李沁6.png',
]
}
})
</script>
</body>
</html>
十一、练习:书架
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<h3>王哲晓的书单</h3>
<ul>
<li v-for="(item, index) in booksList" :key="item.id">
<span>{{ item.name }}</span>
<span>{{ item.author }}</span>
<!-- 注册点击事件 → 通过 id 进行删除数组中的 对应项 -->
<button @click="del(item.id)">删除</button>
</li>
</ul>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
booksList: [
{ id: 1, name: '《高效能人士的七个习惯》', author: '史蒂芬.柯维' },
{ id: 2, name: '《活着》', author: '余华' },
{ id: 3, name: '《敏捷软件开发:原则、模式与实践》', author: 'Robert C. Martin' },
{ id: 4, name: '《围城》', author: '钱锺书' }
]
},
methods: {
del (id) {
// console.log('删除', id)
// 通过 id 进行删除数组中的 对应项 → filter(不会改变原数组)
// filter: 根据条件,保留满足条件的对应项,得到一个新数组。
// console.log(this.booksList.filter(item => item.id !== id))
this.booksList = this.booksList.filter(item => item.id !== id)
}
}
})
</script>
</body>
</html>
十二、练习:待办任务
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="./css/index.css" />
<title>记事本</title>
</head>
<body>
<!-- 主体区域 -->
<section id="app">
<!-- 输入框 -->
<header class="header">
<h1>王哲晓的待办任务</h1>
<input v-model="todoName" placeholder="请输入任务" class="new-todo" />
<button @click="add" class="add">添加任务</button>
</header>
<!-- 列表区域 -->
<section class="main">
<ul class="todo-list">
<li class="todo" v-for="(item, index) in list" :key="item.id">
<div class="view">
<span class="index">{{ index + 1 }}.</span> <label>{{ item.name }}</label>
<button @click="del(item.id)" class="destroy"></button>
</div>
</li>
</ul>
</section>
<!-- 统计和清空 → 如果没有任务了,底部隐藏掉 → v-show -->
<footer class="footer" v-show="list.length > 0">
<!-- 统计 -->
<span class="todo-count">合 计:<strong> {{ list.length }} </strong></span>
<!-- 清空 -->
<button @click="clear" class="clear-completed">
清空任务
</button>
</footer>
</section>
<!-- 底部 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
// 添加功能
// 1. 通过 v-model 绑定 输入框 → 实时获取表单元素的内容
// 2. 点击按钮,进行新增,往数组最前面加 unshift
const app = new Vue({
el: '#app',
data: {
todoName: '',
list: [
{ id: 1, name: '学习SSM' },
{ id: 2, name: '学习SpringCloud' },
{ id: 3, name: '学习K8S' },
{ id: 4, name: '学习Docker' },
{ id: 5, name: '学习设计模式' },
{ id: 6, name: '学习b' },
]
},
methods: {
del (id) {
// console.log(id) => filter 保留所有不等于该 id 的项
this.list = this.list.filter(item => item.id !== id)
},
add () {
if (this.todoName.trim() === '') {
alert('请输入任务名称')
return
}
this.list.unshift({
id: +new Date(),
name: this.todoName
})
this.todoName = ''
},
clear () {
this.list = []
}
}
})
</script>
</body>
</html>
html,
body {
margin: 0;
padding: 0;
}
body {
background: #fff;
}
button {
margin: 0;
padding: 0;
border: 0;
background: none;
font-size: 100%;
vertical-align: baseline;
font-family: inherit;
font-weight: inherit;
color: inherit;
-webkit-appearance: none;
appearance: none;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
body {
font: 14px 'Helvetica Neue', Helvetica, Arial, sans-serif;
line-height: 1.4em;
background: #f5f5f5;
color: #4d4d4d;
min-width: 230px;
max-width: 550px;
margin: 0 auto;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
font-weight: 300;
}
:focus {
outline: 0;
}
.hidden {
display: none;
}
#app {
background: #fff;
margin: 180px 0 40px 0;
padding: 15px;
position: relative;
box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 25px 50px 0 rgba(0, 0, 0, 0.1);
}
#app .header input {
border: 2px solid rgba(175, 47, 47, 0.8);
border-radius: 10px;
}
#app .add {
position: absolute;
right: 15px;
top: 15px;
height: 68px;
width: 140px;
text-align: center;
background-color: rgba(175, 47, 47, 0.8);
color: #fff;
cursor: pointer;
font-size: 18px;
border-radius: 0 10px 10px 0;
}
#app input::-webkit-input-placeholder {
font-style: italic;
font-weight: 300;
color: #e6e6e6;
}
#app input::-moz-placeholder {
font-style: italic;
font-weight: 300;
color: #e6e6e6;
}
#app input::input-placeholder {
font-style: italic;
font-weight: 300;
color: gray;
}
#app h1 {
position: absolute;
top: -120px;
width: 100%;
left: 50%;
transform: translateX(-50%);
font-size: 60px;
font-weight: 100;
text-align: center;
color: rgba(175, 47, 47, 0.8);
-webkit-text-rendering: optimizeLegibility;
-moz-text-rendering: optimizeLegibility;
text-rendering: optimizeLegibility;
}
.new-todo,
.edit {
position: relative;
margin: 0;
width: 100%;
font-size: 24px;
font-family: inherit;
font-weight: inherit;
line-height: 1.4em;
border: 0;
color: inherit;
padding: 6px;
box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.new-todo {
padding: 16px;
border: none;
background: rgba(0, 0, 0, 0.003);
box-shadow: inset 0 -2px 1px rgba(0, 0, 0, 0.03);
}
.main {
position: relative;
z-index: 2;
}
.todo-list {
margin: 0;
padding: 0;
list-style: none;
overflow: hidden;
}
.todo-list li {
position: relative;
font-size: 24px;
height: 60px;
box-sizing: border-box;
border-bottom: 1px solid #e6e6e6;
}
.todo-list li:last-child {
border-bottom: none;
}
.todo-list .view .index {
position: absolute;
color: gray;
left: 10px;
top: 20px;
font-size: 22px;
}
.todo-list li .toggle {
text-align: center;
width: 40px;
/* auto, since non-WebKit browsers doesn't support input styling */
height: auto;
position: absolute;
top: 0;
bottom: 0;
margin: auto 0;
border: none; /* Mobile Safari */
-webkit-appearance: none;
appearance: none;
}
.todo-list li .toggle {
opacity: 0;
}
.todo-list li .toggle + label {
/*
Firefox requires `#` to be escaped - https://bugzilla.mozilla.org/show_bug.cgi?id=922433
IE and Edge requires *everything* to be escaped to render, so we do that instead of just the `#` - https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7157459/
*/
background-image: url('data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23ededed%22%20stroke-width%3D%223%22/%3E%3C/svg%3E');
background-repeat: no-repeat;
background-position: center left;
}
.todo-list li .toggle:checked + label {
background-image: url('data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23bddad5%22%20stroke-width%3D%223%22/%3E%3Cpath%20fill%3D%22%235dc2af%22%20d%3D%22M72%2025L42%2071%2027%2056l-4%204%2020%2020%2034-52z%22/%3E%3C/svg%3E');
}
.todo-list li label {
word-break: break-all;
padding: 15px 15px 15px 60px;
display: block;
line-height: 1.2;
transition: color 0.4s;
}
.todo-list li.completed label {
color: #d9d9d9;
text-decoration: line-through;
}
.todo-list li .destroy {
display: none;
position: absolute;
top: 0;
right: 10px;
bottom: 0;
width: 40px;
height: 40px;
margin: auto 0;
font-size: 30px;
color: #cc9a9a;
margin-bottom: 11px;
transition: color 0.2s ease-out;
}
.todo-list li .destroy:hover {
color: #af5b5e;
}
.todo-list li .destroy:after {
content: '×';
}
.todo-list li:hover .destroy {
display: block;
}
.todo-list li .edit {
display: none;
}
.todo-list li.editing:last-child {
margin-bottom: -1px;
}
.footer {
color: #777;
padding: 10px 15px;
height: 20px;
text-align: center;
border-top: 1px solid #e6e6e6;
}
.footer:before {
content: '';
position: absolute;
right: 0;
bottom: 0;
left: 0;
height: 50px;
overflow: hidden;
box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 8px 0 -3px #f6f6f6,
0 9px 1px -3px rgba(0, 0, 0, 0.2), 0 16px 0 -6px #f6f6f6,
0 17px 2px -6px rgba(0, 0, 0, 0.2);
}
.todo-count {
float: left;
text-align: left;
}
.todo-count strong {
font-weight: 300;
}
.filters {
margin: 0;
padding: 0;
list-style: none;
position: absolute;
right: 0;
left: 0;
}
.filters li {
display: inline;
}
.filters li a {
color: inherit;
margin: 3px;
padding: 3px 7px;
text-decoration: none;
border: 1px solid transparent;
border-radius: 3px;
}
.filters li a:hover {
border-color: rgba(175, 47, 47, 0.1);
}
.filters li a.selected {
border-color: rgba(175, 47, 47, 0.2);
}
.clear-completed,
html .clear-completed:active {
float: right;
position: relative;
line-height: 20px;
text-decoration: none;
cursor: pointer;
}
.clear-completed:hover {
text-decoration: underline;
}
.info {
margin: 50px auto 0;
color: #bfbfbf;
font-size: 15px;
text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
text-align: center;
}
.info p {
line-height: 1;
}
.info a {
color: inherit;
text-decoration: none;
font-weight: 400;
}
.info a:hover {
text-decoration: underline;
}
/*
Hack to remove background from Mobile Safari.
Can't use it globally since it destroys checkboxes in Firefox
*/
@media screen and (-webkit-min-device-pixel-ratio: 0) {
.toggle-all,
.todo-list li .toggle {
background: none;
}
.todo-list li .toggle {
height: 40px;
}
}
@media (max-width: 430px) {
.footer {
height: 50px;
}
.filters {
bottom: 10px;
}
}
标签:Vue,color,app,list,指令,第五章,font,border
From: https://blog.csdn.net/qushaming/article/details/143265678