<!DOCTYPE html>>
<html>
    <head>
        <meta charset="UTF-8" />
        <title>姓名案例_methods实现</title>
        <!-- 引入Vue -->
        <script type="text/javascript" src="../js/vue.js"></script>
    </head>
    <body>
        <!-- 准备好一个容器 -->
        <div id="root">
            姓：<input type="text" v-model="lastname"><br/><br/>
            名：<input type="text" v-model="firstname"><br/><br/>
            全名：<span>{{fullname()}}</span>

        </div>
    </body>

    <script type="text/javascript">
        Vue.config.productionTip = false
        
        new Vue({
            el:'#root',
            data:{
                lastname:'张',
                firstname:'三'
            },
            methods:{
                fullname(){
                    return this.lastname + '-' + this.firstname
                }
            }
        })
    </script>
</html>