vue tab选项卡

<!DOCTYPE html>
<html>

    <head>
        <meta charset="utf-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
        <meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=no,width=device-width">
        <meta name="apple-mobile-web-app-title" content="Vue选项卡">
        <title>Vue实现tab选项卡</title>
        <script type="text/javascript" src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
    </head>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        .box {
            width: 800px;
            height: 200px;
            margin: 0 auto;
            border: 1px solid #000;
        }

        .tabs li {
            float: left;
            margin-right: 8px;
            list-style: none;
        }

        .tabs .tab-link {
            display: block;
            width: 250px;
            height: 49px;
            text-align: center;
            line-height: 49px;
            background-color: #5597B4;
            color: #fff;
            text-decoration: none;
        }

        .tabs .tab-link.active {
            height: 47px;
            border-bottom: 2px solid #E35885;
            transition: .3s;
        }

        .cards {
            float: left;
        }

        .cards .tab-card {
            display: none;
        }

        .clearfix:after {
            content: "";
            display: block;
            height: 0;
            clear: both;
        }

        .clearfix {
            zoom: 1;
        }
    </style>

    <body>
        <div id="app" class="box">
            <ul class="tabs clearfix">
                <li v-for="(tab,index) in tabsName">
                    <a href="#" class="tab-link" @click="tabsSwitch(index)" v-bind:class="{active:tab.isActive}">{{tab.name}}</a>
                </li>
            </ul>

            <div class="cards">
                <div class="tab-card" style="display: block;">内容一</div>
                <div class="tab-card">内容二</div>
                <div class="tab-card">内容三</div>
            </div>
        </div>
    </body>

    <script>
        var app = new Vue({
            el: "#app",
            data: {
                tabsName: [{
                    name: "标题一",
                    isActive: true
                }, {
                    name: "标题二",
                    isActive: false
                }, {
                    name: "标题三",
                    isActive: false
                }],
                active: false
            },
            methods: {
                tabsSwitch: function(tabIndex) {
                    var tabCardCollection = document.querySelectorAll(".tab-card"),
                        len = tabCardCollection.length;
                    for(var i = 0; i < len; i++) {
                        tabCardCollection[i].style.display = "none";
                        this.tabsName[i].isActive = false;
                    }
                    this.tabsName[tabIndex].isActive = true;
                    tabCardCollection[tabIndex].style.display = "block";
                }
            }
        })
    </script>

</html>

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