vue tab选项卡

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<!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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