<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<script src="vue.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.14.1/lodash.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/velocity/1.2.3/velocity.min.js"></script>
</head>
<body>
<div>
<h1>--列表的进入离开过渡--</h1>
<div id="example1">
<button @click="add">Add</button>
<button @click="remove">Remove</button>
<!--tag属性规定列表的开始元素和结束元素，默认为span；
必须设置key属性来告诉vue每个元素是不同的；过渡的类将
应用在内部元素中-->
<transition-group name="list" tag="p">
<span v-for="item in items" v-bind:key="item" class="list-item">
{{ item }}
</span>
</transition-group>
</div>
<script>
var example1 = new Vue({
el: '#example1',
data: {
items: [1,2,3,4,5,6,7,8,9],
nextNum: 10
},
methods: {
randomIndex: function () {
//Math.floor(str)返回小于等于str的一个整数
//Math.random()返回[0,1.0)之间的一个浮点数
return Math.floor(Math.random() * this.items.length)
},
add: function () {
this.items.splice(this.randomIndex(), 0, this.nextNum++)
},
remove: function () {
this.items.splice(this.randomIndex(), 1)
}
}
})
</script>
<style>
.list-item{
display: inline-block;
margin-right: 10px;
}
.list-enter-active, .list-leave-active {
transition: all 1s;
}
.list-enter, .list-leave-to {
opacity: 0;
transform: translateY(30px);
}
</style>
</div>
<div>
<h1>--列表的排序过渡(v-move 特性)--</h1>
<div id="example2">
<button @click="shuffle">Shuffle</button>
<transition-group name="flip-list" tag="ul">
<li v-for="item in items" v-bind:key="item">
{{ item }}
</li>
</transition-group>
</div>
<script>
var example2 = new Vue({
el: '#example2',
data: {
items: [1,2,3,4,5,6,7,8,9]
},
methods: {
shuffle: function () {
this.items = _.shuffle(this.items)
}
}
})
</script>
<style>
.flip-list-move {
transition: transform 1s;
}
</style>
</div>
<div>
<h1>--列表的排序过渡(例子12结合)--</h1>
<div id="example3">
<button @click="shuffle">Shuffle</button>
<button @click="add">Add</button>
<button @click="remove">Remove</button>
<transition-group name="list-complete" tag="p">
<span v-for="item in items" v-bind:key="item" class="list-complete-item">
{{ item }}
</span>
</transition-group>
</div>
<script>
var example3 = new Vue({
el: '#example3',
data: {
items: [1,2,3,4,5,6,7,8,9],
nextNum: 10
},
methods: {
randomIndex: function () {
//Math.floor(str)返回小于等于str的一个整数
//Math.random()返回[0,1.0)之间的一个浮点数
return Math.floor(Math.random() * this.items.length)
},
add: function () {
this.items.splice(this.randomIndex(), 0, this.nextNum++)
},
remove: function () {
this.items.splice(this.randomIndex(), 1)
},
shuffle: function () {
this.items = _.shuffle(this.items)
}
}
})
</script>
<style>
.list-complete-item{
transition: all 1s;
display: inline-block;
margin-right: 10px;
}
.list-complete-enter, .list-complete-leave-to {
opacity: 0;
transform: translateY(30px);
}
.list-complete-leave-active {
position: absolute;
}
</style>
</div>
<div>
<h1>--多维网格的过渡--</h1>
<div id="example4">
<button @click="shuffle">Lazy Sudoku</button>
<transition-group name="cell" tag="div" class="sudoku-container">
<div v-for="cell in cells" :key="cell.id" class="cell">
{{ cell.number }}
</div>
</transition-group>
</div>
<script>
var example4 = new Vue({
el: '#example4',
data: {
cells: Array.apply(null, { length: 81 })//生成一个长度为81的数组
.map(function (_, index) {
return {
id: index,
number: index % 9 + 1
}
})
},
methods: {
shuffle: function () {
this.cells = _.shuffle(this.cells)
}
}
})
</script>
<style>
.sudoku-container {
display: flex;
flex-wrap: wrap;
width: 238px;
margin-top: 10px;
}
.cell {
display: flex;
justify-content: space-around;
align-items: center;
width: 25px;
height: 25px;
border: 1px solid #aaa;
margin-right: -1px;
margin-bottom: -1px;
}
.cell:nth-child(3n) {
margin-right: 0;
}
.cell:nth-child(27n) {
margin-bottom: 0;
}
.cell-move {
transition: transform 1s;
}
</style>
</div>
<div>
<h1>--列表的交错过渡--</h1>
<div id="example5">
<input v-model="query"></input>
<transition-group
name="staggered-fade"
tag="ul"
v-bind:css="false"
v-on:before-enter="beforeEnter"
v-on:enter="enter"
v-on:leave="leave"
>
<li
v-for="(item, index) in computedList"
v-bind:key="item.msg"
v-bind:data-index="index"
>
{{ item.msg }}
</li>
</transition-group>
</div>
<script>
var example5 = new Vue({
el: '#example5',
data: {
query: '',
list: [
{ msg: 'Bruce Lee' },
{ msg: 'Jackie Chan' },
{ msg: 'Chuck Norris' },
{ msg: 'Jet Li' },
{ msg: 'Kung Fury' },
{ msg: 'Arya Stark' }
]
},
computed: {
computedList: function () {
var vm = this
return this.list.filter(function (item) {
return item.msg.toLowerCase().indexOf(vm.query.toLowerCase()) !== -1
})
}
},
methods: {
beforeEnter: function (el) {
el.style.opacity = 0
el.style.height = 0
},
enter: function (el, done) {
var delay = el.dataset.index * 150
setTimeout(function () {
Velocity(
el,
{ opacity: 1, height: '1.6em' },
{ complete: done }
)
}, delay)
},
leave: function (el, done) {
var delay = el.dataset.index * 150
setTimeout(function () {
Velocity(
el,
{ opacity: 0, height: 0 },
{ complete: done }
)
}, delay)
}
}
})
</script>
</div>
<div>
<h1>--可复用的过渡--</h1>
<div id="example6">
<my-special-transition>
<p v-if="show">Demo</p>
</my-special-transition>
<button @click="show = !show">Toggle</button>
</div>
<script>
Vue.component('my-special-transition', {
template: '\
<transition\
name="very-special-transition"\
mode="out-in"\
v-on:before-enter="beforeEnter"\
v-on:enter="enter"\
v-on:leave="leave"\
v-bind:css="false"\
>\
<slot></slot>\
</transition>\
',
methods: {
beforeEnter: function (el) {
el.style.opacity = 0
el.style.transformOrigin = 'left'
},
enter: function (el, done) {
Velocity(el, { opacity: 1, fontSeze: '1.4em' } ,{duration: 300})
Velocity(el, { fontSize: '1em' }, { complete: done })
},
leave: function (el, done) {
Velocity(el, { translateX: '15px', rotateZ: '50deg' }, { duration: 600 })
Velocity(el, { rotateZ: '100deg' }, { loop: 2 })
Velocity(el, {
rotateZ: '45deg',
translateX: '30px',
translateX: '30px',
opacity: 0
}, { complete: done})
},
}
})
var example6 = new Vue({
el: '#example6',
data: {
show: false
}
})
</script>
</div>
<div>
<h1>--动态过渡--</h1>
<div id="dynamic-fade-demo" class="demo">
Fade In: <input type="range" v-model="fadeInDuration" min="0" v-bind:max="maxFadeDuration">
Fade Out: <input type="range" v-model="fadeOutDuration" min="0" v-bind:max="maxFadeDuration">
<transition
v-bind:css="false"
v-on:before-enter="beforeEnter"
v-on:enter="enter"
v-on:leave="leave"
>
<p v-if="show">hello</p>
</transition>
<button
v-if="stop"
v-on:click="stop = false; show = false"
>Start animating</button>
<button
v-else
v-on:click="stop = true"
>Stop it!</button>
</div>
<script>
new Vue({
el: '#dynamic-fade-demo',
data: {
show: true,
fadeInDuration: 1000,
fadeOutDuration: 1000,
maxFadeDuration: 1500,
stop: true
},
mounted: function () {
this.show = false
},
methods: {
beforeEnter: function (el) {
el.style.opacity = 0
},
enter: function (el, done) {
var vm = this
Velocity(el,
{ opacity: 1 },
{
duration: this.fadeInDuration,
complete: function () {
done()
if (!vm.stop) vm.show = false
}
}
)
},
leave: function (el, done) {
var vm = this
Velocity(el,
{ opacity: 0 },
{
duration: this.fadeOutDuration,
complete: function () {
done()
vm.show = true
}
}
)
}
}
})
</script>
</div>
</body>
</html>
运行效果图：
