vue 父组件向子组件传递数据

<!DOCTYPE html>
<html lang="en">
<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>
</head>

<body>
    <div id ="app">
        <!--将根模板中变量中数据赋值给将子模版props中定义的变量 -->
    <cpn :cmovies="movies" :cmessage="message"></cpn>
     </div>

     <template id="cpn">
         <div>
             <ul>
                 <!-- 模板中使用 -->
                <li v-for="item in cmovies" >
                    {{item}}
                </li>
             </ul>
             <h2>{{cmessage}}</h2>
         </div>
     </template>

    <script  type="text/javascript"  src="../js/vue.js"></script>
    <script>

        const cpn = {
            template:'#cpn',
            props:{
                cmovies:{
                    type:Array
                },
                cmessage:{
                    type:String
                }
            }
        }

     const vm = new Vue({
        el: '#app',
        data: {
            movies:['傲慢与偏见','海蒂与爷爷','千与千寻'],  
            message:'hello'
        },
        components:{
            cpn
        },
        computed: {
        
        },
        methods: {
        
        }
     });
    </script>
</body>

</html>
原文地址:https://www.cnblogs.com/lixia0604/p/15652174.html