百度搜索列表
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript" src="js/vue.min.js"></script>
<script type="text/javascript" src="js/vue-resource.min.js"></script>
<script type="text/javascript">
window.onload=function(){
new Vue({
el:'#itany',
data:{
keyword:'',
myData:[],
now:-1//当前选中项的索引
},
methods:{
getData(e){
// 如果按方向键上和下，则不发请求
if(e.keyCode == 38 ||e.keyCode == 40){
return;
}
this.$http.jsonp('https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su',{
params:{
wd:this.keyword
},
jsonp:'cb'//百度使用的jsonp参数名为cb,所以需要修改
}).then(resp => {
console.log(resp.data.s);
this.myData = resp.data.s;
})
},
changeDown(){
this.now++;
this.keyword = this.myData[this.now];
if(this.now == this.myData.length){
this.now = -1;
}
},
changeUp(){
this.now--;
this.keyword== this.myData[this.now];
if(this.now == -2){
this.now = this.myData.length-1;
}
}
}
})
}
</script>
<style type="text/css" media="screen">
.current{
background:#ccc;
}
</style>
</head>
<body>
<div id="itany">
<input type="text" name="" value="" v-model="keyword" @keyup="getData(event);" @keydown.up.prevent="changeUp" @keydown.down="changeDown">
<ul>
<li v-for="(value,index) in myData" :class="{current:index==now}">{{value}}</li>
</ul>
<p v-show="myData.length==0">暂无数据</p>
</div>
</body>
</html>
