vue搜索页开发实例代码详解(热门搜索,历史搜索,淘宝接口演示)
(编辑:jimmy 日期: 2024/12/26 浏览:3 次 )
完整效果演示
首先完成这个伪搜索框
src/components/search/index.vue (通用搜索框组件)
<template> <div class="mine-search-box-wrapper"> <i class="iconfont icon-search"></i> <div class="mine-search-box" v-if="fake">{{placeholder}}</div> <input class="mine-search-box" type="text" title="搜索框" :placeholder="placeholder" ref="input" v-model="query" v-if="!fake" > <i class="iconfont icon-close" v-show="query" @click="reset" ></i> </div> </template> <script> import {debounde} from 'assets/js/util'; export default { name:'Search', props:{//接收的参数 placeholder:{ type:String, default:'请输入搜索内容' }, fake:{ type:Boolean, default:false } }, data(){ return{ query:'', } }, watch:{ query:debounde(function(){ this.$emit('query',this.query); }) }, methods:{ focus(){ this.$refs.input && this.$refs.input.focus(); }, clear(){ this.query=''; }, reset(){//重置 this.clear(); this.focus(); } } } </script> <style lang="scss" scoped> $search-box-height: 30px; $icon-color: #ccc; $icon-font-size-sm: 18px; .mine-search-box-wrapper { display: flex; align-items: center; width: 85%; height: $search-box-height; padding: 0 7px; background-color: #fff; border-radius: $search-box-height / 2; margin-left:15px; } .iconfont { color: $icon-color; font-size: $icon-font-size-sm; font-weight: bold; } .mine-search-box { flex: 1; background: none; border: none; margin: 0 6px; color: #666; line-height: 1.5; } </style>
src/assets/js/util.js 节流函数(防止请求数据时频率过快消耗性能)
//函数节流 export const debounde=(func,delay=200)=>{ let timer=null; return function(...args){ timer && clearTimeout(timer); timer=setTimeout(()=>{ func.apply(this,args); },delay); } }
在分类页的头部组件中引入搜索框组件
src/pages/category/header.vue
<template> <div class="header"> <i class="iconfont icon-scan header-left"></i> <div class="header-center"> <search placeholder="开学季有礼,好货五折起" @query='getQuery' fake @click.native="goToSearch" /> </div> <i class="iconfont icon-msg header-right"></i> </div> </template> <script> import Search from 'components/search'; export default { name:'CategoryHeader', components:{ Search }, methods:{ getQuery(query){ console.log(query); }, goToSearch(){ this.$router.push('/search'); } } } </script> <style lang="scss" scoped> .header{ background-color:rgba(222, 24, 27, 0.9); transition:background-color 0.5s; display: flex; justify-content: space-between; align-items: center; padding:5px 20px; .iconfont{ font-size:24px; color:#fff; } .header-center{ flex:1; } } </style>
点击搜索框之后会跳转到真正的搜索页
热门搜索组件
src/pages/search/hot.vue
<template> <div class="hot"> <h4 class="hot-title">热门搜索</h4> <div class="loading-container" v-if="!hots.length"> <me-loading/> </div> <ul class="hot-list" v-else> <li class="hot-item" v-for="(item,index) in hots" :key="index" @click="$_selectItem(item.hotWord)"> {{item.hotWord}} </li> </ul> </div> </template> <script> import Search from 'components/search'; import MeLoading from 'components/loading'; import {getHot} from 'api/search'; import {searchMixin} from 'api/mixins'; export default { name:'SearchHot', components:{ MeLoading }, data(){ return{ hots:[] } }, mixins:[searchMixin], created(){ this.getHot().then(()=>{ this.$emit('loaded'); }) }, methods:{ getHot(){ return getHot().then(data=>{ return new Promise(resolve=>{ if(data){ this.hots=data; resolve(); } }) }) } } } </script> <style lang="scss" scoped> $border-color: #e5e5e5; $font-size-base: 12px; $font-size-l: $font-size-base + 2; .hot { padding-left: 10px; background-color: #fff; border-bottom: 1px solid $border-color; margin-bottom: 10px; &-title { height: 34px; line-height: 34px; font-size: $font-size-l; font-weight: bold; } &-list { display: flex; flex-wrap: wrap; } &-item { padding: 8px; background-color: #f0f2f5; border-radius: 4px; margin: 0 10px 10px 0; color: #686868; } } .loading-container { padding: 10px 0; } </style>
axios获取热门搜索数据
src/api/search.js
import axios from 'axios'; //获取热门搜索数据 ajax export const getHot=()=>{ return axios.get('http://www.imooc.com/api/search/hot').then(res=>{ res=res.data.hotKeyWord; if(res && res.owner){ return res.owner; } throw new Error('没有成功获取到数据'); }).catch(err=>{ console.log(err); }); }
点击搜索的关键词,跳转到淘宝搜索程序
src/api/mixins.js
import storage from 'assets/js/storage'; import {SEARCH_HISTORY_KEYWORD_KEY} from 'pages/search/config'; export const searchMixin={ methods:{ $_selectItem(keyword){ let keywords=storage.get(SEARCH_HISTORY_KEYWORD_KEY,[]);//找到所有搜索历史 if(keywords.length!=0){ keywords=keywords.filter(val=>val!=keyword);//这次的关键词如果在搜索历史里已存在,先剔除掉 } keywords.unshift(keyword);//把这次的关键词放在搜索历史的最开头 storage.set(SEARCH_HISTORY_KEYWORD_KEY,keywords);//更新搜索历史 //跳转到淘宝搜索页 location.href = `https://s.m.taobao.com/h5"htmlcode">上一篇:Vue 中 template 有且只能一个 root的原因解析(源码分析)const storage = window.localStorage; export default { set(key, val) { if (val === undefined) { return; } storage.setItem(key, serialize(val)); }, get(key, def) { const val = deserialize(storage.getItem(key)); return val === undefined "htmlcode">const prefix = 'mall-search'; const suffix = 'key'; export const SEARCH_HISTORY_KEYWORD_KEY = `${prefix}-history-keyword-${suffix}`;历史搜索组件
src/pages/search/history.vue
<template> <div class="history" v-if="historys.length"> <h4 class="history-title">历史搜索</h4> <transition-group class="g-list" tag="ul" name="list"> <li class="g-list-item" v-for="item in historys" :key="item" @click="$_selectItem(item)"> <span class="g-list-text">{{item}}</span> <!-- .stop 禁止事件冒泡 --> <i class="iconfont icon-delete" @click.stop="removeItem(item)"></i> </li> </transition-group> <a href="javascript:;" rel="external nofollow" class="history-btn" @click="showConfirm"> <i class="iconfont icon-clear" ></i> 清空历史搜索 </a> </div> </template> <script> import storage from 'assets/js/storage'; import {SEARCH_HISTORY_KEYWORD_KEY} from 'pages/search/config'; import {searchMixin} from 'api/mixins'; export default { name:'SearchHistory', data(){ return{ historys:[] } }, mixins:[searchMixin], created(){ this.getKeyword(); }, methods:{ update(){ this.getKeyword(); }, getKeyword(){ this.historys=storage.get(SEARCH_HISTORY_KEYWORD_KEY,[]); this.$emit('loaded'); }, removeItem(item){ this.historys=this.historys.filter(val=>val!==item);//点击后删除该项 storage.set(SEARCH_HISTORY_KEYWORD_KEY,this.historys);//更新缓存 this.$emit('remove-item'); }, showConfirm(){ this.$emit('show-confirm'); }, clear(){ storage.remove(SEARCH_HISTORY_KEYWORD_KEY); } } } </script> <style lang="scss" scoped> $border-color: #e5e5e5; $font-size-base: 12px; $font-size-l: $font-size-base + 2; $border-color: #e5e5e5; @mixin flex-center($direction: row) { display: flex; justify-content: center; align-items: center; flex-direction: $direction; } .history { padding-bottom: 30px; background-color: #fff; &-title { height: 34px; line-height: 34px; padding: 0 10px; font-size: $font-size-l; font-weight: bold; } &-btn { @include flex-center(); width: 80%; height: 40px; background: none; border: 1px solid #ccc; border-radius: 4px; margin: 0 auto; color: #686868; .iconfont { margin-right: 5px; } } } .g-list { border-top: 1px solid $border-color; border-bottom: 1px solid $border-color; margin-bottom: 20px; } .list { &-enter-active, &-leave-active { transition: height 0.1s; } &-enter, &-leave-to { height: 0; } } </style>列表样式统一抽离出去
src/assets/scss/_list.scss
// list @mixin flex-between() { display: flex; justify-content: space-between; align-items: center; } //ellipsis @mixin ellipsis() { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } $border-color: #e5e5e5; .g-list { padding-left: 10px; } .g-list-item { overflow: hidden; @include flex-between(); height: 44px; padding-right: 10px; border-bottom: 1px solid $border-color; color: #686868; &:last-child { border-bottom: none; } } .g-list-text { flex: 1; line-height: 1.5; @include ellipsis(); }src/assets/scss/index.scss
@import 'icons'; @import 'list'; *{ margin:0; padding:0; } html,body{ // 必须设置,否则内容滚动效果无法实现 width:100%; height:100%; } ul,li{ list-style:none; } a{ text-decoration: none; color:#333; }确认框组件
src/components/comfirm/index.vue
<template> <transition name="mine-confirm"> <div class="mine-confirm-wrapper" v-show="visible"> <div class="mine-confirm"> <div class="mine-confirm-title">{{title}}</div> <div class="mine-confirm-msg">{{msg}}</div> <div class="mine-confirm-btns"> <button class="mine-confirm-btn mine-confirm-cancel" @click="cancel">{{cancelBtnText}}</button> <button class="mine-confirm-btn mine-confirm-ok" @click="confirm">{{confirmBtnText}}</button> </div> </div> </div> </transition> </template> <script> export default { name:'MineConfirm', props:{ title:{ type:String, default:'' }, msg:{ type:String, default:'确定执行此操作吗?' }, cancelBtnText:{ type:String, default:'取消' }, confirmBtnText:{ type:String, default:'确定' } }, data(){ return{ visible:false } }, methods:{ show(){ this.visible=true; }, hide(){ this.visible=false; }, cancel(){ this.hide(); this.$emit('cancel'); }, confirm(){ this.hide(); this.$emit('confirm'); } } } </script> <style lang="scss" scoped> $search-z-index: 1200; $search-popup-z-index: $search-z-index + 10; $modal-bgc: rgba(0, 0, 0, 0.4); @mixin flex-center($direction: row) { display: flex; justify-content: center; align-items: center; flex-direction: $direction; } @mixin ellipsis() { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .mine-confirm-wrapper { position: absolute; top: 0; right: 0; bottom: 0; left: 0; z-index: $search-popup-z-index; @include flex-center(); background-color: $modal-bgc; } .mine-confirm { overflow: hidden; width: 88%; background-color: #fff; border-radius: 10px; font-size: 16px; &-title { padding: 20px 15px 0; font-size: 18px; text-align: center; @include ellipsis(); & + .mine-confirm-msg { padding-top: 20px; padding-bottom: 20px; } } &-msg { padding: 40px 15px; text-align: center; line-height: 1.5; } &-btns { display: flex; } &-btn { flex: 1; height: 44px; line-height: 44px; background: none; border: none; } &-cancel { border-top: 1px solid #e3e5e9; } &-ok { background-color: #f23030; color: #fff; } } .mine-confirm { &-enter-active, &-leave-active { transition: opacity 0.3s; } &-enter, &-leave-to { opacity: 0; } &-enter-active { .mine-confirm { animation: bounce-in 0.3s; } } } // https://cn.vuejs.org/v2/guide/transitions.html#CSS-动画 @keyframes bounce-in { 0% { transform: scale(0); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } } </style>搜索结果页
src/pages/search/result.vue
<template> <div class="result"> <div class="loading-container" v-show="loading"> <me-loading/> </div> <ul class="g-list" v-show="!loading && results.length"> <li class="g-list-item" v-for="(item, index) in results" :key="index" @click="$_selectItem(item[0])" > <span class="g-list-text">{{item[0]}}</span> </li> </ul> <div class="no-result" v-show="!loading && !results.length">没有结果</div> </div> </template> <script> import MeLoading from 'components/loading'; import {getSearchResult} from 'api/search'; import {searchMixin} from 'api/mixins'; export default { name:'SearchResult', components:{ MeLoading }, data(){ return{ results:[], loading:false } }, props:{ query:{ type:String, default:'' } }, mixins:[searchMixin], watch:{ query(query){ this.getResults(query); } }, methods:{ getResults(keyword){ if(!keyword){ return; } this.loading=true; getSearchResult(keyword).then(data=>{ console.log(data); if(data){ this.results=data; this.loading=false; } }) } } } </script>修改src/api/search.js
import axios from 'axios'; import jsonp from 'assets/js/jsonp'; //获取热门搜索数据 ajax export const getHot=()=>{ return axios.get('http://www.imooc.com/api/search/hot').then(res=>{ res=res.data.hotKeyWord; if(res && res.owner){ return res.owner; } throw new Error('没有成功获取到数据'); }).catch(err=>{ console.log(err); }); } //获取搜索框的搜索结果 export const getSearchResult=keyword=>{ const url='https://suggest.taobao.com/sug'; const params={ q:keyword, code:'utf-8', area:'c2c', nick:'', sid:null }; //https://suggest.taobao.com/sug"text-align: center">修改src/pages/search/history.vue
(因为页面加载时有100ms延迟的动画,因此这里更新滚动条也需要相同的延迟)
注意滚动条组件的更新操作,需要使用
$nextTick( )
实现异步总结
下一篇:JavaScript实现轮播图特效
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