Vue百度搜索

<!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>
原创笔记