<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="GBK">
<title>jsonp</title>
<style>
ul,li{list-style: none}
.gray{
background: #ccc;
}
</style>
<script src="js/vue.js"></script>
<script src="js/vue-resource.js"></script>
<script>
window.onload=function () {
new Vue({
el:'#box',
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.$http.jsonp('https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su',{
params:{
wd:this.t1
},
jsonp:'cb'
}).then(function (res) {
this.myData=res.data.s;
},function (res) {
alert(res.status);
})
},
changeDown:function () {
this.now++;
if(this.now==this.myData.length)this.now=-1;
this.t1=this.myData[this.now];
},
changeUp:function () {
this.now--;
if(this.now==-2)this.now=this.myData.length-1;
this.t1=this.myData[this.now];
}
}
});
};
</script>
</head>
<body>
<div id="box">
<input type="text" v-model="t1" @keyup="get($event)" @keydown.down="changeDown()" @keydown.up.prevent="changeUp()">
<ul>
<li v-for="(value,index) in myData" :class="{gray:index==now}">{{value}}</li>
</ul>
<p v-show="myData.length==0">暂无数据</p>
</div>
</body>
</html>