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17-Dynamic-components-keep-alive.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title></title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.3.4/vue.js"></script>
<style>
#app {
overflow: hidden;
height: 600px;
}
button {
font-size: 2em;
display: block;
margin: 1em;
}
.left,
.right {
float: left;
height: 100%;
}
.left {
width: 25%;
background-color: #eee;
}
.right {
width: 70%;
background-color: #ccc;
}
.channel {
display: block;
border: 1px solid #555;
padding: 1em;
margin-bottom: 10px;
}
</style>
</head>
<body>
<div id="app">
<div class="left">
<button @click="currentView = 'channel-1'">Channel 1</button>
<button @click="currentView = 'channel-2'">Channel 2</button>
<button @click="currentView = 'channel-3'">Channel 3</button>
</div>
<div class="right">
<keep-alive>
<component :is="currentView"></component>
</keep-alive>
</div>
</div>
<script type="text/x-template" id="channel_1">
<div class="channel">
<h2>Channel 1</h2>
<p>
「救救長毛驢，Air展示機，前情侶臉書鬧翻，I，荒唐警瘋SM，是不是撒嬌，她最心疼和抱歉的是家人受到打擾，雨真的很大，尼克大勝12分，林書豪官方T恤明在台開賣，遠比上Google搜尋更有效率，覺得不夠？」
</p>
<p>{{count}}</p>
</div>
</script>
<script type="text/x-template" id="channel_2">
<div class="channel">
<h2>Channel 2</h2>
<p>
「這起地震是板塊碰撞擠壓所致，女搭機未保濕，林書豪官方T恤明在台開賣，你會不三七二十一、七七四十九，但記者訪問時，不管是真是假，遠比上Google搜尋更有效率，搖好大！」
</p>
<p>{{count}}</p>
</div>
</script>
<script type="text/x-template" id="channel_3">
<div class="channel">
<h2>Channel 3</h2>
<p>
「以後拜師學藝找名嘴可能會比較快，嘖嘖~，我可以自豪地說，裸少年抓青蛙雕像被嫌礙眼，亞職熱身賽，它有那個萊克多巴胺，大學副教授，眼明手快，65萬人大考，韓媒澄清台灣鯛，...，血友病男童絕食，美國在台協會發言人表示：美國牛肉沒有任何的問題，希望老天有眼讓他快點好起來QQ。」
</p>
<p>{{count}}</p>
</div>
</script>
<script>
Vue.component('channel-1', {
template: '#channel_1',
activated() {
this.count++;
},
data() {
return {
count: 0
};
}
});
Vue.component('channel-2', {
template: '#channel_2',
activated() {
this.count++;
},
data() {
return {
count: 0
};
}
});
Vue.component('channel-3', {
template: '#channel_3',
activated() {
this.count++;
},
data() {
return {
count: 0
};
}
});
new Vue({
el: '#app',
data: {
currentView: 'channel-1'
}
})
</script>
</body>
</html>