<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="./vue.js"></script>
<!-- <script src="http://cdn.staticfile.org/vue/2.6.10/vue.common.dev.js"></script> -->
</head>
<body>
<div id="app">{{fullName}}</div>
<script type="text/javascript">
var vm = new Vue({
el: "#app",
data: {
firstName: "Tom",
lastName: "Cat"
},
computed: {
/*fullName: function() {
return this.firstName + " " + this.lastName
}*/
fullName: {
get: function() {
return this.firstName + " " + this.lastName
},
set: function(value) {
var arr = value.split(" ");
this.firstName = arr[0];
this.lastName = arr[1];
console.log("我是" + value)
}
}
}
})
</script>
</body>
</html>
原文：https://blog.51cto.com/5660061/2418992