vue选项卡组件的实现方法
时间：2022-08-13 12:18:32|栏目：vue|点击： 次
本文实例为大家分享了vue选项卡组件的实现代码，供大家参考，具体内容如下
主要功能：点击不同的选项，显示不同的内容
html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" type="text/css" href="css/style.css" />
<script src="js/jquery.js" type="text/javascript" charset="utf-8"></script>
<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
$(document).ready(function(){
var app=new Vue({
el: "#app",
data: {
activeKey: '1'//被选择的选项
}
});
});
</script>
</head>
<body>
<div id="app" v-cloak>
<tabs v-model="activeKey">
<pane label="一" name="1">我是张三</pane>
<pane label="二" name="2">我是李四</pane>
<pane label="三" name="3">我是牛五</pane>
</tabs>
</div>
<script src="js/pane.js" type="text/javascript" charset="utf-8"></script>
<script src="js/tabs.js" type="text/javascript" charset="utf-8"></script>
</body>
</html>
pane.js
Vue.component('pane',{
name: 'pane',
template: '\
<div class="pane" v-show="show"> \
<slot></slot> \
</div>',
data: function(){
return {
show: true
}
},
props: {
name: {
type: String
},
label: {
type: String,
default: ''
}
},
methods: {
updateNav() {
this.$parent.updateNav();
}
},
watch: {
label(){
this.updateNav();
}
},
mounted() {
this.updateNav();
}
})
tabs.js
Vue.component('tabs',{
template: '\
<div class="tabs">\
<div class="tabs-bar">\
<div \
:class="tabCls(item)" \
v-for="(item,index) in navList" \
@click="handleChange(index)"> \
{{item.label}} \
</div>\
</div> \
<div class="tabs-content"> \
<slot></slot> \
</div> \
</div>',
props: {
value: {
type: [String,Number]
}
},
data: function(){
return {
currentValue: this.value,
navList: []
}
},
methods: {
tabCls: function(item){
return [
'tabs-tab',
{
'tabs-tab-active': item.name===this.currentValue
}
]
},
//遍历所有为pane的子元素
getTabs(){
return this.$children.filter(function(item){
return item.$options.name==='pane';
});
},
//将pane子元素中label name放进navList数组
updateNav() {
this.navList=[];
var _this=this;
this.getTabs().forEach(function(pane,index){
_this.navList.push({
label: pane.label,
name: pane.name ||index
});
if(!pane.name) pane.name=index;
if(index===0){
if(!_this.currentValue){
_this.currentValue=pane.name || index;
}
}
});
this.updateStatus();
},
updateStatus(){
var tabs=this.getTabs();
var _this=this;
//显示当前正在选中的
tabs.forEach(function(tab){
return tab.show=tab.name===_this.currentValue;
})
},
handleChange: function(index){
var nav =this.navList[index];
var name=nav.name;
this.currentValue=name;
this.$emit('input',name);
this.$emit('on-click',name);
}
},
watch: {
value: function(val){
this.currentValue=val;
},
currentValue: function (){
this.updateStatus();
}
}
})
