vue19 组建 Vue.extend component、组件模版、动态组件 的实例代码
程序员文章站
2023-11-27 21:07:22
具体代码如下所示：
具体代码如下所示：
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
</div>
<script>
var aaa=vue.extend({//继承出来一个vue类aaa
template:'<h3>我是标题3</h3>'
});
var a=new aaa();//a跟vm一样
console.log(a);
var vm=new vue({
el:'#box',
data:{
bsign:true
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
<script>
var aaa=vue.extend({
template:'<h3>我是标题3</h3>'
});
vue.component('aaa',aaa);//aaa是组建实例，全局组件
var vm=new vue({
el:'#box',
data:{
bsign:true
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
<script>
var aaa=vue.extend({
data(){
return {
msg:'我是标题^^'
};
},
template:'<h3>{{msg}}</h3>'
});
vue.component('aaa',aaa);
var vm=new vue({
el:'#box',
data:{
bsign:true
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
<script>
var aaa=vue.extend({
data(){
return {
msg:'我是标题^^'
};
},
methods:{
change(){
this.msg='changed'
}
},
template:'<h3 @click="change">{{msg}}</h3>'
});
vue.component('aaa',aaa);
var vm=new vue({
el:'#box',
data:{
bsign:true
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
<script>
var aaa=vue.extend({
template:'<h3>{{msg}}</h3>',
data(){// es6语法，函数不写：，组件里面放数据: data必须是函数的形式，函数必须返回一个对象(json)
return {
msg:'ddddd'
}
}
});
var vm=new vue({
el:'#box',
data:{
bsign:true
},
components:{ //局部组件，放到某个组件内部，vue.component('aaa',aaa);
aaa:aaa
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<my-aaa></my-aaa>
</div>
<script>
var aaa=vue.extend({
template:'<h3>{{msg}}</h3>',
data(){
return {
msg:'ddddd'
}
}
});
var vm=new vue({
el:'#box',
data:{
bsign:true
},
components:{ //局部组件
'my-aaa':aaa
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<my-aaa></my-aaa>
</div>
<script>
vue.component('my-aaa',{//全局，公共的提出去
template:'<strong>好</strong>'
});
var vm=new vue({
el:'#box'
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<my-aaa></my-aaa>
</div>
<script>
var vm=new vue({
el:'#box',
components:{ //局部
'my-aaa':{
data(){
return {
msg:'welcome vue'
}
},
methods:{
change(){
this.msg='changed';
}
},
template:'<h2 @click="change">标题2->{{msg}}</h2>'
}
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<my-aaa></my-aaa>
</div>
<template id="aaa">
<h1>标题1</h1>
<ul>
<li v-for="val in arr">
{{val}}
</li>
</ul>
</template>
<script>
var vm=new vue({
el:'#box',
components:{
'my-aaa':{
data(){
return {
msg:'welcome vue',
arr:['apple','banana','orange']
}
},
methods:{
change(){
this.msg='changed';
}
},
template:'#aaa'
}
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>document</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<my-aaa></my-aaa>
</div>
<script type="x-template" id="aaa">
<h2 @click="change">标题2->{{msg}}</h2>
<ul>
<li>1111</li>
<li>222</li>
<li>3333</li>
<li>1111</li>
</ul>
</script>
<script>
var vm=new vue({
el:'#box',
components:{
'my-aaa':{
data(){
return {
msg:'welcome vue'
}
},
methods:{
change(){
this.msg='changed';
}
},
template:'#aaa'
}
}
});
</script>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>动态组件</title>
<script src="bower_components/vue/dist/vue.js"></script>
<style>
</style>
</head>
<body>
<div id="box">
<input type="button" @click="a='aaa'" value="aaa组件">
<input type="button" @click="a='bbb'" value="bbb组件">
<component :is="a"></component> <!-- 动态组件-->
</div>
<script>
var vm=new vue({
el:'#box',
data:{
a:'aaa'
},
components:{
'aaa':{
template:'<h2>我是aaa组件</h2>'
},
'bbb':{
template:'<h2>我是bbb组件</h2>'
}
}
});
</script>
</body>
</html>
下面看下vue component动态组件
动态组件
通过component标签 的is属性来进行组件的切换
is的属性值决定要显示的组件，所以将is的属性值设置为data中的值，以便于动态变化
<template>
<div class="app">
<component :is="组件名称">
</component>
</div>
</template>
总结
以上所述是小编给大家介绍的vue19 组建 vue.extend component、组件模版、动态组件 的实例代码，希望对大家有所帮助