vue19 组建 Vue.extend component、组件模版、动态组件的实例代码_懂视

vue19 组建 Vue.extend component、组件模版、动态组件的实例代码

2020-11-27 21:59:08 责编:小采

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，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！

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