10-Vue.js/code/2-Vue组件/2-组件命名的两种方式.html

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

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="./lib/vue.js"></script>
</head>

<body>
    <div id="app">
        <!-- 直接引用使用驼峰命名法的在页面中会报错 -->
        <HelloWorld></HelloWorld>
        <!-- 但是在使用-命名法的template中使用驼峰命名法就不会报错 -->
        <vue-component> </vue-component>
    </div>
    <script>
        // 报错
        Vue.component("HelloWorld", {
            data: function() {
                return {
                    msg: "hello world~",
                };
            },
            template: "<div>{{msg}}</div>",
        });
        Vue.component("vue-component", {
            data: function() {
                return {
                    msg: "hello world~",
                };
            },
            // 这种就可以
            template: "<HelloWorld></HelloWorld>",
        });
        const vm = new Vue({
            el: "#app",
            data: {},
            methods: {},
        });
    </script>
</body>

</html>