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)
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
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
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:{
$_selectItem(keyword){
let keywords=storage.get(SEARCH_HISTORY_KEYWORD_KEY,[]);//找到所有搜索历史
if(keywords.length!=0){
keywords=keywords.filter(val=>val!=keyword);//这次的关键词如果在搜索历史里已存在,先剔除掉
}
keywords.unshift(keyword);//把这次的关键词放在搜索历史的最开头
storage.set(SEARCH_HISTORY_KEYWORD_KEY,keywords);//更新搜索历史
//跳转到淘宝搜索页
location.href = `https://s.m.taobao.com/h5?event_submit_do_new_search_auction=1&_input_charset=utf-8&topSearch=1&atype=b&searchfrom=1&action=home%3Aredirect_app_action&from=1&sst=1&n=20&buying=buyitnow&q=${keyword}`;
}
}
}
本地存储文件 assets/js/storage.js
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 ? def : val;
},
remove(key) {
storage.removeItem(key);
},
clear() {
storage.clear();
}
};
function serialize(val) {
return JSON.stringify(val);
}
function deserialize(val) {
if (typeof val !== 'string') {
return undefined;
}
try {
return JSON.parse(val);
} catch (e) {
return val || undefined;
}
}
搜索页配置文件 src/pages/search/config.js
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
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
{{title}}
{{msg}}
搜索结果页
src/pages/search/result.vue
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?q=apple&code=utf-8&area=c2c&nick=&sid=null&callback=jsonp5
return jsonp(url, params, {
param: 'callback'
}).then(res => {
console.log(res);
if (res.result) {
// console.log(res);
return res.result;
}
throw new Error('没有成功获取到数据!');
}).catch(err => {
if (err) {
console.log(err);
}
});
};
最后,当删除历史搜索之后,也需要更新滚动条
修改src/pages/search/index.vue
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