<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>study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:[],//下面列表的数据展示
t1:'',
now:-1
},
methods:{
get:function(ev){
this.$http.jsonp("https://www.baidu.com/sugrec?prod=pc&sugsid=1454,21107,28773,28723,28963,28833,28585,28603",{
wd:this.t1
},{
jsonp:"cb"
}).then(function(res){
this.myData=res.data.g
})
},
changeDown:function(){
this.now++;
if(this.now>this.myData.length-1){this.now=0}
this.t1=this.myData[this.now].q
}
}
});
};
</script>
</head>
<body>
<div id="box">
<input v-model="t1" type="text" @keyup="get($event)" @keydown.down="changeDown($event)">
<ul>
<li v-for="item in myData" :class="{gray:$index==now}">{{item.q}}</li>
</ul>
<p v-show="myData.length==0">暂无数据。。。</p>
</div>
</body>
</html>