vue组件,局部组件，全局组件，模板抽取-前端开发

代码定义局部组件，和模板抽取的两种方式!DOCTYPE htmlhtml lang=enheadmeta charset=UTF-8meta name=viewport content=width=device-width,initial-scale=1.0,user-scalable=noscript src=...

代码

定义局部组件，和模板抽取的两种方式

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
    <script src="aHR0cHM6Ly9jZG4uanNkZWxpdnIubmV0L25wbS92dWUvZGlzdC92dWUuanM="></script>
    <title>vueTest</title>
    <style type="text/css">
        * {
            margin: 0px;
            padding: 0px;
        }
    </style>

</head>
<body>
<div id="app">
    <myheader></myheader>
</div>
<div id="app2">
    <myheader></myheader>
</div>
<!--定义模板 方式1-->
<script type="text/x-template" id="mytemp">
    <div>
        <h3>商品名:{{name}}</h3>
        <h3>价格:{{price}}</h3>
        <h3>类别:{{goodsType}}</h3>
        <h3>描述：{{msg}}</h3>
    </div>
</script>
<!--定义模板 方式2-->
<template type="text/x-template" id="mytemp2">
    <div>
        <h3>商品名:{{name}}</h3>
        <h3>价格:{{price}}</h3>
        <h3>类别:{{goodsType}}</h3>
        <h3>描述：{{msg}}</h3>
    </div>
</template>
<script type="text/javascript">
    var app=new Vue({
        //局部组件p
        components:{
            "myheader":{
                //当含模板有多个标签时，需要有一个根组件把它包起来
                //template:"#mytemp",
                template:"#mytemp2",
                //定义数据
                data:function (){
                    return{
                        name:"联想小新",
                        price:12.00,
                        goodsType:"A类",
                        msg:"hello"
                    }
                }
            }
        },
        el:"#app",
        data:{
            goodsType:"A类"
        }
    });

</script>
</body>
</html>

定义全局组件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
    <script src="aHR0cHM6Ly9jZG4uanNkZWxpdnIubmV0L25wbS92dWUvZGlzdC92dWUuanM="></script>
    <title>vueTest</title>
    <style type="text/css">
        * {
            margin: 0px;
            padding: 0px;
        }
    </style>

</head>
<body>
<div id="app">
<myheader></myheader>
</div>
<hr>
<div id="app2">
    <myheader></myheader>
</div>
<script type="text/javascript">
    //定义全局组件
    Vue.component("myheader",{
        template:`<div>
                    <h3>商品名:{{name}}</h3>
                    <h3>价格:{{price}}</h3>
                    <h3>类别:{{goodsType}}</h3>
                    <h3>描述：{{msg}}</h3>
                  </div>`,
        data:function (){
            return{
                name:"联想小新",
                price:12.00,
                goodsType:"A类",
                msg:"hello"
            }
        }
    });
    var app=new Vue({
        el:"#app",
    });
    var app2=new Vue({
        el:"#app2",
    });
</script>
</body>
</html>