<div v-for="item in items" :key="item.id" :value=‘item.value‘ :label="item.label"> <div>{{item.name}}</div> </div> <script> items:[ {id:1,name:"可乐"}, {id:2,name:"雪碧"}, {id:3,name:"橙子"}, ] </script>
<div v-for="item in items" :key="item.id" :value=‘item.value‘ :label="item.label">
<div>{{item.name}}</div>
<div v-for="arry in item.itemse" :key="arry.id" :value=‘item.value‘ :label="item.label">
<div>{{arry.text}}</div>
</div>
</div>
<script>
items: [
{
id: 1,
name: "可乐",
itemse: [{ id: 4, text: "冷冻可乐" }, { id: 5, text: "香草可乐" }]
},
{
id: 2,
name: "雪碧",
itemse: [{ id: 6, text: "冷冻雪碧" }, { id: 7, text: "青柠雪碧" }]
},
{
id: 3,
name: "橙子",
itemse: [{ id:8, text: "冷冻橙子" }, { id: 9, text: "新鲜橙子" }]
}
]
</script>
原文：https://www.cnblogs.com/gxywb/p/12683361.html