<!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> <style> .active { border:1px solid red; width:100px; height:100px; } .error { background-color: orange; } </style> </head> <body> <div id = "app1"> <div> <div v-bind:class="{active:isActive,error:isError}">测试样例</div> <button v-on:click="handle">切换</button> </div> </div> <script src="vue.js"></script> <script> var vue1 = new Vue({ el: '#app1', data:{ isActive:true, isError:true }, methods:{ handle:function(){ this.isActive = !this.isActive; this.isError = !this.isError; } } }) </script> </body> </html>
以上是class样式绑定