vue

<!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>

 

posted @ 2019-05-07 18:23  人在路途  阅读(111)  评论(0编辑  收藏  举报