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Vue起步之實現多物件和元件

1多物件:

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>Vue.js</title>
	<link rel="stylesheet" href="demo07.css">
	<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
	<!--根容器-->
	<div id="vue-appone">
        <h1>多個Vue例項化物件{{title}}</h1>
        <p>{{greet}}</p>
    </div>
    <div id="vue-apptwo">
        <h1>多個Vue例項化物件{{title}}</h1>
        <p>{{greet}}</p>
        <button v-on:click="changetitle">change</button>
    </div>

	<script src="app08.js"></script>
</body>
</html>
//例項化物件
var one = new Vue({
    el:"#vue-appone",
    data:{
       title:"app one",
    },
    methods:{
        
    },
    computed:{
      greet:function(){
          return "one"
      }
    }
});
//例項化物件
var two=new Vue({
    el:"#vue-apptwo",
    data:{
       title:"two"
    },
    methods:{
        changetitle:function(){
            one.title="change"
        }
    },
    computed:{
        greet:function(){
            return "two"
        }
    }
});

two.title ="change two"

 

2.元件

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>Vue.js</title>
	<link rel="stylesheet" href="demo07.css">
	<script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>
<body>
    <h1>元件</h1>
	<!--根容器-->
	<div id="vue-appone">
        <greeting></greeting>
    </div>
    <div id="vue-apptwo">
            <greeting></greeting>
    </div>

	<script src="app09.js"></script>
</body>
</html>
Vue.component("greeting",{
    template:
    '<p>hello world!{{name}}<button v-on:click="changeName">changName</button></p>',
    data:function(){
        return {
            name:'鹿晗',
        }
    },
    methods:{
        changeName:function(){
            this.name="jerry"
        }
    }
})
//例項化物件
 new Vue({
    el:"#vue-appone",
});
//例項化物件
new Vue({
    el:"#vue-apptwo",
});

搭建腳手架CLI:https://blog.csdn.net/qq_35723619/article/details/83817417