<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>1.姓名案例_插值语法实现</title> <script type="text/javascript" src="../vue.js"></script> </head> <body> <div id="root"> 姓:<input type="text" v-model="firstName"> <br> 名:<input type="text" v-model="lastName"> <br> 姓名: <span>{{firstName}}-{{lastName}}</span> </div> <script type="text/javascript"> new Vue({ el: '#root', data: { firstName: "张", lastName: "三" }, }) </script> </body> </html>