vue19如何组建Vue.extend component、组件模版、动态组件
这篇文章主要介绍vue19如何组建Vue.extend component、组件模版、动态组件,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
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:'<h4>我是标题3</h4>' }); 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:'<h4>我是标题3</h4>' }); 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:'<h4>{{msg}}</h4>' }); 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:'<h4 @click="change">{{msg}}</h4>' }); 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:'<h4>{{msg}}</h4>', 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:'<h4>{{msg}}</h4>', 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:'<h3 @click="change">标题2->{{msg}}</h3>' } } }); </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"> <h2>标题1</h2> <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"> <h3 @click="change">标题2->{{msg}}</h3> <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:'<h3>我是aaa组件</h3>' }, 'bbb':{ template:'<h3>我是bbb组件</h3>' } } }); </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>
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