Vue v-for指令

最新推荐文章于 2025-06-23 17:35:24 发布

sunda112

最新推荐文章于 2025-06-23 17:35:24 发布

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分类专栏： Vue 文章标签： Vue

本文链接：https://blog.youkuaiyun.com/sunling112/article/details/79031241

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>vue学习</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>

<body>
    <div id="app1">
        <ul>
            <li v-for="item in items">{{item.message}}</li>             <!--v-for指令还支持一个可选的参数，表示当前项的索引 in也可用of代替  -->
            <li v-for="(mun,index) in muns">{{parent}}-{{index+1}}-{{mun.no}}</li>      <!-- 在v-for块中 完全可以访问data中的属性-->
        </ul>
    </div>
    <script>
        var foo = new Vue({
            el:'#app1',
            data:{
                parent:'xiangmu',
                items:[
                    {message:'ABC'},
                    {message:'def'}
                ],
                muns:[
                    {no:'a'},
                    {no:'b'},
                    {no:'c'},
                    {no:'d'},
                    {no:'e'}
                ]
            }
        });
    </script>
</body>

</html>

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>vue学习</title>
    <script src="https://cdn.jsdelivr.net/npm/vue"></script>
</head>

<body>
    <ul id="app1">
        <li v-for="(abc,key,index) in objs">{{index}}-{{key}}-{{abc}}</li>               <!-- v-for循环对象 由三个参数，value， key，index -->

        <li v-for="(item,index) in items">{{index}}--{{item.name}}--{{item.age}}</li>            <!-- v-for循环数组 有两个参数，value，index-->
        
    </ul>
    <script>
        var foo = new Vue({
            el:'#app1',
            data:{
                objs:{
                    firstName:'ling',
                    lastName:'sun',
                    age:26
                },
                items:[
                    {name:'jek',age:23},
                    {name:'sun',age:34},
                    {name:'mark',age:26},
                ]
            }
        });
    </script>
</body>
</html>