<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> </style> </head> <body> <div id="app"> <input type="text" v-focus> <input type="text"> </div> <script type="text/javascript" src="./js/vue.js"></script> <script> Vue.directive('focus', { inserted: function(el) { //el表示指令锁绑定的元素 el.focus(); } }); var vm = new Vue({ //绑定的标签 el: '#app', //自定义按键修饰符 data: { age: '', info: '', msg: '' }, methods: { } }); </script> </body> </html>
