前端Vue自定义带历史记录的搜索框组件searchBar 支持搜索输入框清空 搜索历史存储记录清除，下载完整代码请访问uni-app插件市场地址：https://ext.dcloud.net.cn/plugin?id=13343
效果图如下:
cc-hisSearchBar
使用方法
// 不同的业务功能历史记录设置不同存储key
const kStorageKey = "storageKey"
// 执行搜索事件
doSearch() {
if (this.keyword == '') {
uni.showToast({
title: '请输入要搜索的内容',
icon: 'none'
});
return;
}
//
if (this.keyword && this.keyword !== '') {
this.saveKeyword(this.keyword); //保存为历史
}
uni.showLoading({
title: '搜索中...'
});
this.setData({
keywordList: []
});
uni.hideLoading()
uni.showModal({
title: "温馨提示",
content: '搜索的内容 = ' + this.keyword
})
},
//点击历史记录搜索
doHisSearch(item) {
console.log(item)
uni.showModal({
title: '点击的历史搜索条目',
content: '点击的历史搜索条目 = ' + item
})
},
HTML代码实现部分
<template>
<view class="content">
<view class="search-box">
<view class="input-box">
<input type="text" adjust-position="true" v-model="keyword" :placeholder="defaultKeyword"
placeholder-class="search_text" @confirm="doSearch" data-key="false" confirm-type="search"
@input="onclear"></input>
<image src="/static/close.png" @tap="clears" v-if="shows == true"></image>
</view>
<view class="search-btn" @tap="doSearch" data-key="false" :style="'background:' + colors">搜索</view>
</view>
<view class="search-keyword">
<scroll-view class="keyword-box" scroll-y>
<view class="keyword-block" v-if="oldKeywordList.length>0">
<view class="keyword-list-header">
<view>历史搜索</view>
<view>
<image @tap="oldDelete" src="/static/delete.png"></image>
</view>
</view>
<view class="keyword">
<view v-for="(item, index) in oldKeywordList" :key="index" @tap="doHisSearch(item)">{{item}}
</view>
</view>
</view>
</scroll-view>
</view>
</view>
</template>
<script>
// 不同的业务功能历史记录设置不同存储key
const kStorageKey = "storageKey"
import Vue from 'vue'
Vue.mixin({
methods: {
setData: function(obj, callback) {
let that = this;
const handleData = (tepData, tepKey, afterKey) => {
tepKey = tepKey.split('.');
tepKey.forEach(item => {
if (tepData[item] === null || tepData[item] === undefined) {
let reg = /^[0-9]+$/;
tepData[item] = reg.test(afterKey) ? [] : {};
tepData = tepData[item];
} else {
tepData = tepData[item];
}
});
return tepData;
};
const isFn = function(value) {
return typeof value == 'function' || false;
};
Object.keys(obj).forEach(function(key) {
let val = obj[key];
key = key.replace(/]/g, '').replace(/[/g, '.');
let front, after;
let index_after = key.lastIndexOf('.');
if (index_after != -1) {
after = key.slice(index_after + 1);
front = handleData(that, key.slice(0, index_after), after);
} else {
after = key;
front = that;
}
if (front.$data && front.$data[after] === undefined) {
Object.defineProperty(front, after, {
get() {
return front.$data[after];
},
set(newValue) {
front.$data[after] = newValue;
that.$forceUpdate();
},
enumerable: true,
configurable: true
});
front[after] = val;
} else {
that.$set(front, after, val);
}
});
isFn(callback) && this.$nextTick(callback);
}
}
});
var app = getApp();
export default {
data() {
return {
defaultKeyword: "",
keyword: "",
oldKeywordList: [],
hotKeywordList: [],
keywordList: [],
forbid: '',
shows: false,
colors: ''
};
},
components: {},
props: {},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function(options) {
this.setData({
colors: app.globalData.newColor
});
this.init();
},
methods: {
init() {
this.loadDefaultKeyword();
this.loadOldKeyword();
},
loadDefaultKeyword() {
//定义默认搜索关键字，可以自己实现ajax请求数据再赋值,用户未输入时，以水印方式显示在输入框，直接不输入内容搜索会搜索默认关键字
this.setData({
defaultKeyword: "请输入搜索的内容"
});
},
//加载历史搜索,自动读取本地Storage
loadOldKeyword() {
uni.getStorage({
key: kStorageKey,
success: res => {
var OldKeys = JSON.parse(res.data);
this.setData({
oldKeywordList: OldKeys
});
}
});
},
// 执行搜索事件
doSearch() {
if (this.keyword == '') {
uni.showToast({
title: '请输入要搜索的内容',
icon: 'none'
});
return;
}
//
if (this.keyword && this.keyword !== '') {
this.saveKeyword(this.keyword); //保存为历史
}
uni.showLoading({
title: '搜索中...'
});
this.setData({
keywordList: []
});
uni.hideLoading()
uni.showModal({
title: "温馨提示",
content: '搜索的内容 = ' + this.keyword
})
// uni.showToast({
// title: '暂无结果',
// icon: 'none'
// })
},
onclear(e) {
this.setData({
keyword: e.detail.value,
shows: e.detail.value !== '' ? true : false
});
},
//保存关键字到历史记录
saveKeyword(keyword) {
uni.getStorage({
key: kStorageKey,
success: res => {
var OldKeys = JSON.parse(res.data);
var findIndex = OldKeys.indexOf(keyword);
if (findIndex == -1) {
OldKeys.unshift(keyword);
} else {
OldKeys.splice(findIndex, 1);
OldKeys.unshift(keyword);
} //最多10个纪录
OldKeys.length > 10 && OldKeys.pop();
uni.setStorage({
key: kStorageKey,
data: JSON.stringify(OldKeys)
});
this.setData({
oldKeywordList: OldKeys //更新历史搜索
});
},
fail: e => {
var OldKeys = [keyword];
uni.setStorage({
key: kStorageKey,
data: JSON.stringify(OldKeys)
});
this.setData({
oldKeywordList: OldKeys //更新历史搜索
});
}
});
},
oldDelete() {
uni.showModal({
content: '确定清除历史搜索记录？',
success: res => {
if (res.confirm) {
console.log('用户点击确定');
this.setData({
oldKeywordList: []
});
uni.removeStorage({
key: kStorageKey
});
} else if (res.cancel) {
console.log('用户点击取消');
}
}
});
},
clears() {
this.setData({
keyword: '',
keywordList: [],
});
},
//点击历史记录搜索
doHisSearch(item) {
console.log(item)
uni.showModal({
title: '点击的历史搜索条目',
content: '点击的历史搜索条目 = ' + item
})
},
}
};
</script>
<style scoped lang="scss">
view {
display: block;
}
.search-box {
background-color: rgb(242, 242, 242);
padding: 15upx 2.5%;
display: flex;
justify-content: space-between;
position: sticky;
top: 0;
}
.search-box .mSearch-input-box {
width: 100%;
}
.search-box .input-box {
width: 85%;
flex-shrink: 1;
display: flex;
justify-content: center;
align-items: center;
}
.search-box .search-btn {
width: 15%;
margin: 0 0 0 2%;
display: flex;
justify-content: center;
align-items: center;
flex-shrink: 0;
font-size: 24upx;
color: #fff;
background: linear-gradient(to right, #4492EB, #3F92EE);
border-radius: 60upx;
}
.search-box .input-box>input {
width: 95%;
height: 60upx;
font-size: 24upx;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
margin: 0;
background-color: #ffffff;
}
.placeholder-class {
color: #9e9e9e;
}
.search-keyword {
width: 100%;
background-color: rgb(242, 242, 242);
}
.keyword-list-box {
height: calc(100vh - 110upx);
padding-top: 10upx;
border-radius: 20upx 20upx 0 0;
background-color: #fff;
}
.keyword-entry-tap {
background-color: #eee;
}
.keyword-entry {
width: 94%;
height: 80upx;
margin: 0 3%;
font-size: 30upx;
color: #333;
display: flex;
justify-content: space-between;
align-items: center;
border-bottom: solid 1upx #e7e7e7;
}
.keyword-entry image {
width: 60upx;
height: 60upx;
}
.keyword-entry .keyword-text,
.keyword-entry .keyword-img {
height: 80upx;
display: flex;
align-items: center;
}
.keyword-entry .keyword-text {
width: 90%;
}
.keyword-entry .keyword-img {
width: 10%;
justify-content: center;
}
.keyword-box {
height: calc(100vh - 110upx);
border-radius: 20upx 20upx 0 0;
background-color: #fff;
}
.keyword-box .keyword-block {
padding: 10upx 0;
}
.keyword-box .keyword-block .keyword-list-header {
width: 94%;
padding: 10upx 3%;
font-size: 27upx;
color: #333;
display: flex;
justify-content: space-between;
}
.keyword-box .keyword-block .keyword-list-header image {
width: 40upx;
height: 40upx;
}
.keyword-box .keyword-block .keyword {
width: 94%;
padding: 3px 3%;
display: flex;
flex-flow: wrap;
justify-content: flex-start;
}
.keyword-box .keyword-block .hide-hot-tis {
display: flex;
justify-content: center;
font-size: 28upx;
color: #6b6b6b;
}
.keyword-box .keyword-block .keyword>view {
display: flex;
justify-content: center;
align-items: center;
border-radius: 38upx;
padding: 0 20upx;
margin: 10upx 20upx 10upx 0;
height: 60upx;
font-size: 24upx;
background-color: rgb(242, 242, 242);
color: #6b6b6b;
line-height: 60upx;
}
.search_text {
font-size: 24upx;
color: #B6B6C6;
}
.input-box {
position: relative;
height: 60upx;
font-size: 24upx;
border: 0;
border-radius: 60upx;
-webkit-appearance: none;
appearance: none;
padding: 0 3%;
margin: 0;
background-color: #ffffff;
}
.input-box image {
height: 40upx;
width: 40upx;
float: right;
position: absolute;
right: 2%;
top: 50%;
transform: translateY(-50%);
z-index: 100;
}
</style>
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