Vue 股票联想查询组件(使用新浪API)

<template>
    <div class="sp-div">
        <input class="sp-input" type="text" v-model="value" placeholder="Enter something..." />
        <div class="sp-btn" @click="emitToFather">{{ do_value }}</div>
        <div class="sp-show" v-show="sp_show === true">
            <ul>
                <li v-for="item in show_data" :key="item.id" @click="add(item.value)">{{item.value + ‘ - ‘ + item.info[0]}}</li>
            </ul>
        </div>
    </div>
</template>

<script>
    export default {
        name: "SearchPlus",
        data() {
            return {
                sp_show: false,
                value: ‘‘,
                show_data: null
            }
        },
        props: [
            ‘do_value‘
        ],
        methods: {
            dream(value) {
                let str = value;if(str.length < 7 && (str[0] === ‘6‘ || str[0] === ‘0‘ || str[0] === ‘3‘)) {
                    let promises = [], url = ‘http://hq.sinajs.cn/list=‘;
                    if(str[0] === ‘6‘) {
                        url += ‘sh‘;
                    } else {
                        url += ‘sz‘;
                    }
                    if(str.length < 6) {
                        if(str.length === 2 && str[1] === ‘8‘) {
                            str += ‘8‘;
                        }
                        for(;str.length < 5;) {
                            str = str + ‘0‘;
                        }
                        for(let i = 0; i < 10; i++) {
                            promises.push(this.$http.get(url + str + i));
                        }
                    } else if(str.length === 6) {
                        promises.push(this.$http.get(url + str));
                    }

                    Promise.allSettled(promises).then(v => {
                        this.show_data = [];
                        let step = -1;
                        for(let item of v) {
                            let res = item.value.data;
                            res = res.split(‘"‘)[1];
                            step++;
                            if(res === ‘‘) {
                                continue;
                            }
                            res = res.split(‘,‘);

                            this.show_data.push({
                                id: step,
                                value: str + step,
                                info: res
                            });
                            if(v.length === 1) {
                                this.show_data[0].value = str;
                            }
                        }
                        if(!this.show_data.length) {
                            this.show_data.push({id:0, value: ‘未找到结果‘});
                        }
                    });
                } else {
                    this.show_data = [];
                    this.show_data.push({id:0, value: ‘未找到结果‘});
                }
            },
            add(value) {
                this.value = value;
                this.show_data = [];
                this.sp_show = false;
            },
            emitToFather() {
                this.$emit(‘searchPlus-emit‘, this.value);
            }
        },
        watch: {
            value() {
                if(this.value.length > 0) {
                    this.sp_show = true;
                    this.dream(this.value);
                } else {
                    this.sp_show = false;
                }
            }
        }
    }
</script>

<style scoped>
    .sp-div {
        padding: 5px;
        text-align:left;
        position: relative;
    }
    .sp-input {
        width: 300px;
        border: 1px solid #dcdee2;
        border-radius: 4px;
        padding: 4px 7px;
        height: 22px;
    }
    .sp-btn {
        display: inline-block;
        background-color: #eeeeee;
        height: 30px;
        width: 70px;
        border: 1px solid #dcdee2;
        vertical-align: middle;
        text-align: center;
        line-height: 30px;
        font-weight: bold;
        cursor: pointer;
    }
    .sp-show {
        position: absolute;
        width: 386px;
        height: auto;
        top: 38px;
        border-radius: 0 0 10px 10px;
        border: 1px solid #dcdee2;
        border-top: 0!important;
        box-shadow: none;
        overflow: visible;
        font-family: ‘Microsoft YaHei‘,Arial,sans-serif;
        z-index: 1;
        background: white;
    }
    .sp-show ul {
        margin: 0;
        padding: 0;
    }
    .sp-show ul li {
        padding:3px 0 3px 30px;
        text-align: left;
    }
    .sp-show ul li:hover {
        color: blue;
        cursor: pointer;
    }
</style>