<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
</head>
<body>
<div id="app">
<select v-model="one">
<option v-for="x in shuju">{{x.name}}{{x.famname}}</option>
</select><br>
<div>
<span>{{one}}</span><br>
<span>{{oneF}}</span><br>
<span>{{oneL}}</span>
</div>
</div>
<script>
let rua=new Vue({
el:"#app",
data:{
shuju:[
{name:"孙",famname:"悟空"},
{name:"猪",famname:"八戒"},
{name:"沙",famname:"悟净"}
],
one:""
},
computed:{
oneF(){
return this.one.charAt(0);
},
oneL(){
return this.one.slice(1,3);
}
}
});
</script>
</body>
</html>
vue-下拉框
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转载自blog.csdn.net/weixin_42413689/article/details/81709502
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