<html>
head>
script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</bodydiv id="app">
input type="text" v-model="message" @keyup.enter="getMsg"="button" value="修改" @click="setMsg"h2>{{message}}div>
var app = new Vue({
el: '#app',data: {
message: '我是黄色',},methods: {
getMsg: function () {
alert(this.message);
},setMsg: function () {
this.message = "修改了message";
},})
>
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