在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Vue.js 搜索页面</title>
    <script src="https://cdn.staticfile.org/vue/2.4.2/vue.min.js"></script>
    
    <style>/* 隐藏未编译的变量 */

    [v-cloak] {
      display: none;
    }

    *{
        margin:0;
        padding:0;
    }

    body{
        font:15px/1.3 'Open Sans', sans-serif;
        color: #5e5b64;
        text-align:center;
    }

    a, a:visited {
        outline:none;
        color:#389dc1;
    }

    a:hover{
        text-decoration:none;
    }

    section, footer, header, aside, nav{
        display: block;
    }


    /*-------------------------
        搜索输入框
    --------------------------*/

    .bar{
        background-color:#5c9bb7;

        background-image:-webkit-linear-gradient(top, #5c9bb7, #5392ad);
        background-image:-moz-linear-gradient(top, #5c9bb7, #5392ad);
        background-image:linear-gradient(top, #5c9bb7, #5392ad);

        box-shadow: 0 1px 1px #ccc;
        border-radius: 2px;
        width: 400px;
        padding: 14px;
        margin: 45px auto 20px;
        position:relative;
    }

    .bar input{
        background:#fff no-repeat 13px 13px;
        background-image:url(data:image/png;base64,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);

        border: none;
        width: 100%;
        line-height: 19px;
        padding: 11px 0;

        border-radius: 2px;
        box-shadow: 0 2px 8px #c4c4c4 inset;
        text-align: left;
        font-size: 14px;
        font-family: inherit;
        color: #738289;
        font-weight: bold;
        outline: none;
        text-indent: 40px;
    }

    ul{
        list-style: none;
        width: 428px;
        margin: 0 auto;
        text-align: left;
    }

    ul li{
        border-bottom: 1px solid #ddd;
        padding: 10px;
        overflow: hidden;
    }

    ul li img{
        width:60px;
        height:60px;
        float:left;
        border:none;
    }

    ul li p{
        margin-left: 75px;
        font-weight: bold;
        padding-top: 12px;
        color:#6e7a7f;
    }
    </style>

</head>
<body>

<form id="main" v-cloak>

    <div class="bar">
        <!-- searchString 模型与文本域创建绑定 -->

        <input type="text" v-model="searchString" placeholder="输入搜索内容" />
    </div>

    <ul>
        <!-- 循环输出数据 -->
             
        <li v-for="article in filteredArticles">
            <a v-bind:href="article.url"><img v-bind:src="article.image" /></a>
            <p>{{article.title}}</p>
        </li>
    </ul>

</form>
<script>

var demo = new Vue({
    el: '#main',
    data: {
        searchString: "",

        // 数据模型，实际环境你可以根据 Ajax 来获取

        articles: [
            {
                "title": "What You Need To Know About CSS Variables",
                "url": "https://www.cainiaoplay.com/css/css-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/css.png"
            },
            {
                "title": "Freebie: 4 Great Looking Pricing Tables",
                "url": "https://www.cainiaoplay.com/html/html-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/html.png"
            },
            {
                "title": "20 Interesting JavaScript and CSS Libraries for February 2016",
                "url": "https://www.cainiaoplay.com/css3/css3-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/css3.png"
            },
            {
                "title": "Quick Tip: The Easiest Way To Make Responsive Headers",
                "url": "https://www.cainiaoplay.com/css3/css3-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/css3.png"
            },
            {
                "title": "Learn SQL In 20 Minutes",
                "url": "https://www.cainiaoplay.com/sql/sql-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/sql.png"
            },
            {
                "title": "Creating Your First Desktop App With HTML, JS and Electron",
                "url": "https://www.cainiaoplay.com/js/js-tutorial.html",
                "image": "https://static.cainiaoplay.com/images/icon/html.png"
            }
        ]
    },
    computed: {
        // 计算数学，匹配搜索
        filteredArticles: function () {
            var articles_array = this.articles,
                searchString = this.searchString;

            if(!searchString){
                return articles_array;
            }

            searchString = searchString.trim().toLowerCase();

            articles_array = articles_array.filter(function(item){
                if(item.title.toLowerCase().indexOf(searchString) !== -1){
                    return item;
                }
            })

            // 返回过来后的数组
            return articles_array;;
        }
    }
});
</script>
</body>
</html>
源代码

动行结果
