<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script type="text/javascript" src="js/vue1.0.js" ></script>
<script type="text/javascript" src="js/vue-resource.v0.7.0.js" ></script>
<link rel="stylesheet" href="css/bootstrap.css" />
<title></title>
<style>
.gray{
background: gray;
}
</style>
<script>
window.onload=function(){
new Vue({
el:'#box',
data:{
myData:[],
t1:'',
now:-1
},
methods:{
get:function(ev){
if(ev.keyCode==38||ev.keyCode==40)//下和上 阻止触发
return;
if(ev.keyCode==13)
{
window.open('https://www.baidu.com/s?wd='+this.t1);
this.t1='';
}
this.$http.jsonp('https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su',{
wd:this.t1//获取当前输入框数据
},{
jsonp:'cb'
}).then(function(res){
this.myData=res.data.s;
},function(res){
});
},
//向下按键
changeDown:function(){
this.now++;
if(this.now==this.myData.length)this.now=-1;
this.t1=this.myData[this.now];
},
//向上按键
changeUp:function(){
this.now--;
if(this.now==-2)this.now=this.myData.length-1;
this.t1=this.myData[this.now];
}
}
});
};
</script>
</head>
<body>
<div id="box" style="margin:30px auto;width: 500px;" >
<input type="text" v-model="t1" @keyup="get($event)" @keydown.down="changeDown()"
@keydown.up.prevent="changeUp()"><!--.prevent 阻止向上默认事假-->
<ul>
<li v-for="value in myData" :class="{gray:$index==now}">{{value}}</li>
</ul>
<p v-show="myData.length==0">很抱歉,暂时没有数据</p>
</div>
</body>
</html>