html：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="style.css">
<title>Title</title>
</head>
<body>
<div id="app">
<tabs v-model="activeKey">
<pane label="图片">
我是图片内容...
</pane>
<pane label="视频">
我是视频内容...
</pane>
<pane label="音乐">
我是音乐内容...
</pane>
<pane label="文章">
我是文章内容...
</pane>
</tabs>
</div>
<script src="https://unpkg.com/vue/dist/vue.min.js"></script>
<script src="pane.js"></script>
<script src="tabs.js"></script>
<script>
var app = new Vue({
el: '#app',
data: {
activeKey: '0'
}
})
</script>
</body>
</html>
css：
[v-cloak] {
display: none;
}
.tabs {
font-size: 14px;
color:#657180;
}
.tabs-bar:after{
content:'';
display: block;
width: 100%;
height: 1px;
background: #d7dde4;
margin-top:-1px;
}
.tabs-tab {
display: inline-block;
padding: 4px 16px;
margin-right: 6px;
background: #ffffff;
border: 1px solid #d7dde4;
cursor: pointer;
position: relative;
}
.tabs-tab-active {
color: #3399ff;
border-top: 1px solid #3399ff;
border-bottom: 1px solid #ffffff;
}
.tabs-tab-active:before {
content: '';
display: block;
height: 1px;
background: #3399ff;
position: absolute;
top:;
left:;
right:;
}
.tabs-content {
padding: 8px 0;
}
pane.js:
Vue.component('pane',{
name: 'pane',
template: '<div class="pane" v-show="show">\
<slot></slot>\
</div>',
props: {
label: {
type: String,
default: ''
}
},
data: function () {
return {
show: true
}
},
methods: {
updateNav: function () {
this.$parent.updateNav();
}
},
watch: {
label: function () {
this.updateNav();
}
},
mounted: function () {
this.updateNav();
}
})
tabs.js:
Vue.component('tabs',{
template: '<div class="tabs">\
<div class="tabs-bar">\
<div \
v-for="(label,index) in navList"\
:class="tabCls(index)"\
@click="handleChange(index)">\
{{label}}\
</div>\
</div>\
<div class="tabs-content">\
<slot></slot>\
</div>\
</div>',
props: {
value: {
type: String
}
},
data: function () {
return {
navList: [],
currentValue: this.value
}
},
methods: {
tabCls: function (index) {
return [
'tabs-tab',
{
'tabs-tab-active':index == this.currentValue
}
]
},
getTabs: function () {
return this.$children.filter(function (t) {
return t.$options.name === 'pane';
});
},
updateNav: function () {
this.navList = [];
var _this = this;
this.getTabs().forEach(function (t) {
_this.navList.push(t.label);
})
this.updateStatus();
},
updateStatus: function () {
var _this = this;
this.getTabs().forEach(function (t,i) {
t.show = i == _this.currentValue;
})
},
handleChange: function (index) {
this.currentValue = index;
this.$emit('input',index);
}
},
watch: {
currentValue: function () {
this.updateStatus();
},
value: function (val) {
this.currentValue = val;
}
}
})
效果图：