HTML

    <div id="app">

        {{msg}}

    </div>

JS

    <script src="https://unpkg.com/vue/dist/vue.js"></script>

    <script>

        window.onload = function(){

            new Vue({

                el: '#app',

                data(){

                    return{

                        msg: 'abc'

                    }

                }

            })

        }

    </script>

当然也可以通过npm指令实现创建vue项目 https://mp.csdn.net/console/editor/html/106104590