代码:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="vue.js"></script>
<title id="title">{{title}}</title>
</head>
<body>
<div id="ask"><!--vue不能控制body和html的标签-->
<input type="text" @keyup.enter="keyEvent">
</div>
<script>
var vue = function (options){new Vue(options)};
vue({
el:‘#title‘,
data:{
title:‘Vue 监听键盘,键盘修饰符keyup‘
}
});
var app = vue({
el:‘#ask‘,
data:{
},
methods:{
keyEvent(){
console.log("按下回车触发");
}
}
});
</script>
</body>
</html>
原文：https://www.cnblogs.com/tommymarc/p/11641417.html