前端之家收集整理的这篇文章主要介绍了
Vue-百度下拉列表，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
<!DOCTYPE html>
<html lang="en">
<head>
<Meta charset="UTF-8">
<title>vue百度下拉列表</title>
<Meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0">
<Meta name="apple-mobile-web-app-capable" content="yes">
<Meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
.gray{
background: #ccc;
}
</style>
<script src="vue.js"></script>
<script src="vue-resource.js"></script>
<script>
window.onload=function(){
new Vue({
el:'body',data:{
myData:[],t1:'',now:-1
},methods:{
get:function(ev){
if(ev.keyCode==38 || ev.keyCode==40)return;
if(ev.keyCode==13){
window.open('https://www.baidu.com/s?wd='+this.t1);
this.t1='';
}
this.$http.jsonp('https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su',{
wd:this.t1
},{
jsonp:'cb'
}).then(function(res){
this.myData=res.data.s;
},function(){
});
},changeDown:function(){
this.now++;
if(this.now==this.myData.length)this.now=-1;
this.t1=this.myData[this.now];
},changeUp:function(){
this.now--;
if(this.now==-2)this.now=this.myData.length-1;
this.t1=this.myData[this.now];
}
}
});
};
</script>
</head>
<body>
<div id="Box">
<input type="text" v-model="t1" @keyup="get($event)" @keydown.down="changeDown()" @keydown.up.prevent="changeUp()">
<ul>
<li v-for="value in myData" :class="{gray:$index==now}">
{{value}}
</li>
</ul>
<p v-show="myData.length==0">暂无数据...</p>
</div>
</body>
</html>
