<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>動(dòng)態(tài)組件</title>
<script src="js/vue.js"></script>
<link rel="stylesheet" href="css/demo.css">
</head>
<body>
<div id="app">
<component :is="type"></component>
<!--<child-one v-if="type==='child-one'"></child-one>-->
<!--<child-two v-if="type==='child-two'"></child-two>-->
<button @click="handleBtnClick">change</button>
</div>
<script>
Vue.component('child-one',{
template:'<div>child-one</div>'
})
Vue.component('child-two',{
template:'<div>child-two</div>'
})
var vm =new Vue({
el:'#app',
data:{
type:'child-one'
},
methods:{
handleBtnClick:function () {
this.type =(this.type ==='child-one'? 'child-two':'child-one');
}
}
})
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>v-once指令</title>
<script src="js/vue.js"></script>
<link rel="stylesheet" href="css/demo.css">
</head>
<body>
<div id="app">
<child-one v-if="type==='child-one'"></child-one>
<child-two v-if="type==='child-two'"></child-two>
<button @click="handleBtnClick">change</button>
</div>
<script>
Vue.component('child-one',{
template:'<div v-once>child-one</div>'
})
Vue.component('child-two',{
template:'<div v-once>child-two</div>'
})
var vm =new Vue({
el:'#app',
data:{
type:'child-one'
},
methods:{
handleBtnClick:function () {
this.type =(this.type ==='child-one'? 'child-two':'child-one');
}
}
})
</script>
</body>
</html>
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