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                [TOC] ## 用法: > 基于源數據多次渲染元素或模板塊。此指令之值,必須使用特定語法 alias in expression ,為當前遍歷的元素提供別名: > items 是源數據數組并且 > item 是數組元素迭代的別名。 ``` <div v-for="item in items"> {{ item.text }} </div> ``` > v-for 默認行為試著不改變整體,而是替換元素。迫使其重新排序的元素,你需要提供一個 key 的特殊屬性: ``` <div v-for="item in items" :key="item.id"> {{ item.text }} </div> ``` ## 例子 ``` div id="test"> <ul> <li v-for="food in foodList">{{food.name}}:${{food.price}}</li> </ul> </div> <script> var app = new Vue({ el:"#test", data:{ // foodList:['蘋果','香蕉','梨'], foodList:[ { name:'蘋果', price:8 }, { name:'香蕉', price:4.5 }, { name:'梨', price:6 } ] } }) </script> ```
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