一、效果图
二、代码
wxml
<van-search
value="{
{ keyword }}"
shape="round"
background="#000"
placeholder="请输入关键词"
use-action-slot
bind:change="onChange"
bind:search="onSearch"
bind:clear="onClear"
>
<view slot="action" bind:tap="onSearch" style="padding: 0 26rpx; color: #fff;">搜索</view>
</van-search>
<view class="history" wx:if="{
{!productList.length && historyList.length}}">
<view class="title">
<view class="text">搜索历史</view>
<view class="remove" bind:tap="handleHistoryRemove">
<van-icon name="delete-o" size="18" />
<text class="font">清空历史</text>
</view>
</view>
<view class="content">
<view class="item" wx:for="{
{historyList}}" wx:key="item" data-value="{
{item}}" bind:tap="hisItemClick">{
{item}}</view>
</view>
</view>
<view class="total" wx:if="{
{total}}">
一共搜索出<text class="totalNum">{
{total}}</text>产品
</view>
<view class="product_main">
<view class="main_item" wx:for="{
{productList}}" wx:key="_id">
<!-- 商品的组件 -->
11
</view>
</view>
<van-empty
wx:if="{
{noData}}"
image="https://img01.yzcdn.cn/vant/empty-image-search.png"
description="没有搜索结果"
/>scss
.history{
padding: 30rpx;
.title{
display: flex;
justify-content: space-between;
align-items: center;
font-size: 30rpx;
color: #666;
.text{
font-size: 32rpx;
}
.remove{
color: #999;
display: flex;
align-items: center;
.font{
padding-left: 5rpx;
}
}
}
.content{
padding: 20rpx 0;
display: flex;
flex-wrap: wrap;
.item{
color: #333;
background-color: aqua;
border-radius: 20rpx;
font-size: 25rpx;
padding: 8rpx 25rpx;
margin: 0 20rpx 20rpx 0;
}
}
}
.total{
padding: 30rpx;
font-size: 28rpx;
color: #666;
.totalNum{
color: red;
}
}
.product_main{
padding: 0 30rpx;
display: flex;
flex-wrap: wrap;
justify-content: space-between;
.main_item{
margin-top: 20rpx;
width: 320rpx;
height: 200rpx;
background-color: pink;
}
}js
import {
queryProduct
} from '../../api/apis'
Page({
data: {
historyList: [], //搜索的历史记录
productList: [], //搜到的产品
total: 0,
keyword: '',
noData:false
},
onLoad(options) {
let hisKey = wx.getStorageSync("hisKey") || null;
if (hisKey) {
this.setData({
historyList: hisKey
})
}
},
hisItemClick(item) {
this.setData({
keyword: item.currentTarget.dataset.value
})
this.getSearchData()
},
onClear() {
this.setData({
keyword: '',
productList: [],
total: 0,
noData:false
})
},
onChange(e) {
this.setData({
keyword: e.detail
})
},
// 确认搜索
onSearch() {
if (this.data.keyword.trim().length == '') {
wx.showToast({
title: '请输入搜索内容',
icon: 'none',
})
return
}
console.log('123');
let hisArr = this.data.historyList || []
hisArr.unshift(this.data.keyword)
hisArr = [...new Set(hisArr)]
hisArr = hisArr.slice(0, 5)
this.setData({
historyList: hisArr
})
wx.setStorageSync("hisKey", hisArr)
this.getSearchData()
},
// 获取搜索到的数据
getSearchData() {
queryProduct({
keyword: this.data.keyword,
limit: 10
}).then(res => {
console.log(res);
let noData = false
if(res.data.length == 0) {
noData=true
}
this.setData({
total: res.total,
productList: res.data,
noData
})
})
},
handleHistoryRemove() {
wx.showModal({
title: '提示',
content: '是否确定清空历史？',
success: (res)=> {
if (res.confirm) {
this.setData({
historyList: [],
productList: [],
total: 0,
keyword: '',
noData:false
})
wx.removeStorageSync('hisKey')
} else if (res.cancel) {
console.log('用户点击取消')
}
}
})
},
})
json文件是引入的vant
{
"usingComponents": {
"van-search": "@vant/weapp/search/index",
"van-empty": "@vant/weapp/empty/index"
}
}