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vue实现组件化的三种形式

1.在script标签中注册组件

<!DOCTYPE html>
<html >

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>

<body>
    <div id="app">
        <greet></greet>
    </div>
    <script>
        Vue.component('greet',{
            template:'<p>{{name}} :介绍一下我的女朋友@关晓彤</p>',
            data:function(){
                return {
                    name : '鹿晗',
                }
            }
        })
        let vm = new Vue({
            el: "#app",
            data:{
                a:1,
            },
            created(){
                console.log('this = ',this);
            }
        });
    </script>
    <style scoped>
    </style>
</body>

</html>
           

2.使用template标签注册组件

<!DOCTYPE html>
<html >

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>

<body>
    <div id="app">
        <greet></greet>
    </div>
    <template id="myComponent">
        <p>{{name}} :介绍一下我的女朋友@关晓彤</p>
    </template>
    <script>
        Vue.component('greet', {
            template: '#myComponent',
            data: function () {
                return {
                    name: '鹿晗',
                }
            }
        })
        let vm = new Vue({
            el: "#app",
            data: {},
        });
    </script>
</body>

</html>
           

3.单文件组件

在components中自定义自己的组件 Hello.vue

<template>
        <p>{{name}} :介绍一下我的女朋友@关晓彤</p>
    </template>
<script>
export default {
  name: 'hello',
  data () {
    return {
      name: '鹿晗'
    }
  }
}
</script>
           

app.vue

<!-- 展示模板 -->
<template>
  <div id="app">
    <hello></hello>
  </div>
</template>

<script>
// 导入组件
import Hello from './components/Hello'

export default {
  name: 'app',
  components: {
    Hello
  }
}
</script>
           

4.结果展示

vue实现组件化的三种形式

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