<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <div id="app"> <form action=""> <div> <input type="text" v-on:keyup.aaa='handle' v-model='info'> </div> </form> </div> <script type="text/javascript" src="./js/vue.js"></script> <script> /* 语法功能 */ //自定义按键修饰符 名字自定义 对应的值必须是event的值 Vue.config.keyCodes.aaa = 65; var vm = new Vue({ //绑定的标签 el: '#app', //自定义按键修饰符 data: { //msg: 'Hello Vue', info: '' }, methods: { handle: function(event) { console.log(event.keyCode); } } }); </script> </body> </html>
