medicine-xcx/pagesC/search/search.vue

<template>
	<view class="content">
		<view class="search-box">
			<u-search v-model="keyword" placeholder="请输入要搜索的商品" height="70" show-action @search="doSearch(keyword)" @custom="doSearch(keyword)" />
		</view>
		<view class="search-keyword" >
			<scroll-view class="keyword-list-box" v-show="isShowKeywordList" scroll-y>
				<block v-for="(row,index) in keywordList" :key="index">
					<view class="keyword-entry" hover-class="keyword-entry-tap" >
						<view class="keyword-text" @tap.stop="doSearch(keywordList[index].keyword)">
							<rich-text :nodes="row.htmlStr"></rich-text>
						</view>
						<view class="keyword-img" @tap.stop="setKeyword(keywordList[index].keyword)">
							<!-- <image src="/static/HM-search/back.png"></image> -->
							<u-icon name="photo" color="#2979ff" size="28"></u-icon>
						</view>
					</view>
				</block>
				
			</scroll-view>
			<scroll-view class="keyword-box" v-show="!isShowKeywordList" 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/HM-search/delete.png"></image>
						</view>
					</view>
					<view class="keyword">
						<view v-for="(keyword,index) in oldKeywordList" @tap="doSearch(keyword)" :key="index">{{keyword}}</view>
					</view>
				</view>
				<view class="keyword-block">
					<view class="keyword-list-header">
						<view class="flex align-end">
							<text class="font-30 text-black font-weight-bold m-r-10">热门搜索</text>
							<image class="keyword-list-header-hot" :src="IMG_URL + 'hot.png'" mode="widthFix"></image>
						</view>
						<view>
							<image @tap="hotToggle" :src="'/static/HM-search/attention'+forbid+'.png'"></image>
						</view>
					</view>
					<view class="keyword" v-if="forbid==''">
						<view v-for="(keyword,index) in hotKeywordList" @tap="doSearch(keyword)" :key="index">{{keyword}}</view>
					</view>
					<view class="hide-hot-tis" v-else>
						<view>当前搜热门搜索已隐藏</view>
					</view>
				</view>
			</scroll-view>
		</view>
	</view>
</template>

<script>
		import { IMG_URL } from '@/env.js'
	export default {
		data() {
			return {
				IMG_URL,
				defaultKeyword: "",
				keyword: "",
				oldKeywordList: [],
				hotKeywordList: [],
				keywordList: [],
				forbid: '',
				isShowKeywordList: false
			}
		},
		onLoad() {
			this.init();
		},
		methods: {
			init() {
				this.loadDefaultKeyword();
				this.loadOldKeyword();
				this.loadHotKeyword();

			},
			blur(){
				uni.hideKeyboard()
			},
			//加载默认搜索关键字
			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.defaultKeyword = "默认关键字";
			},
			//加载历史搜索,自动读取本地Storage
			loadOldKeyword() {
				uni.getStorage({
					key: 'OldKeys',
					success: (res) => {
						var OldKeys = JSON.parse(res.data);
						this.oldKeywordList = OldKeys;
					}
				});
			},
			//加载热门搜索
			loadHotKeyword() {
				//定义热门搜索关键字，可以自己实现ajax请求数据再赋值
				uni.showLoading()
				this.$api('getHotList').then(res => {
					let { code, result, message} = res;
					
					if( code == 200) {
						result.forEach(item => {
							this.hotKeywordList.push(item.name)
						})
					}else{
						this.$Toast(message)
					}
					uni.hideLoading();
				}).catch(err => {
					this.$Toast(err.message);
					uni.hideLoading();
				})
				// this.hotKeywordList = ['键盘', '鼠标', '显示器', '电脑主机', '蓝牙音箱', '笔记本电脑', '鼠标垫', 'USB', 'USB3.0'];
			}, 
			//监听输入
			inputChange(event) {
				//兼容引入组件时传入参数情况
				var keyword = event.detail?event.detail.value:event;
				if (!keyword) {
					this.keywordList = [];
					this.isShowKeywordList = false;
					return;
				}
				this.isShowKeywordList = true;
				//以下示例截取淘宝的关键字，请替换成你的接口
				uni.request({
					url: 'https://suggest.taobao.com/sug?code=utf-8&q=' + keyword, //仅为示例
					success: (res) => {
						this.keywordList = [];
						this.keywordList = this.drawCorrelativeKeyword(res.data.result, keyword);
						
					}
				});
			},
			//高亮关键字
			drawCorrelativeKeyword(keywords, keyword) {
				var len = keywords.length,
					keywordArr = [];
				for (var i = 0; i < len; i++) {
					var row = keywords[i];
					//定义高亮#9f9f9f
					var html = row[0].replace(keyword, "<span style='color: #9f9f9f;'>" + keyword + "</span>");
					html = '<div>' + html + '</div>';
					var tmpObj = {
						keyword: row[0],
						htmlStr: html
					};
					keywordArr.push(tmpObj)
				}
				return keywordArr;
			},
			//顶置关键字
			setKeyword(index) {
				this.keyword = this.keywordList[index].keyword;
			},
			//清除历史搜索
			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.oldKeywordList = [];
							uni.removeStorage({
								key: 'OldKeys'
							});
						} else if (res.cancel) {
							console.log('用户点击取消');
						}
					}
				});
			},
			//热门搜索开关
			hotToggle() {
				this.forbid = this.forbid ? '' : '_forbid';
			},
			//执行搜索
			doSearch(keyword) {
				if (!keyword) return
				this.keyword = keyword;
				this.saveKeyword(keyword); //保存为历史 
			 this.$tools.redirectTo({
				 url: '/pagesC/search/searchInfo?keyword=' + keyword
			 })
			},
			//保存关键字到历史记录
			saveKeyword(keyword) {
				uni.getStorage({
					key: 'OldKeys',
					success: (res) => {
						let OldKeys = JSON.parse(res.data);
						let findIndex = OldKeys.indexOf(keyword);
						if (findIndex == -1) {
							//最多10个纪录
							OldKeys.length >= 10 && OldKeys.pop();
							OldKeys.unshift(keyword);
						} else {
							OldKeys.splice(findIndex, 1);
							OldKeys.unshift(keyword);
						}
						uni.setStorage({
							key: 'OldKeys',
							data: JSON.stringify(OldKeys)
						});
						this.oldKeywordList = OldKeys; //更新历史搜索
					},
					fail: (e) => {
						var OldKeys = [keyword];
						uni.setStorage({
							key: 'OldKeys',
							data: JSON.stringify(OldKeys)
						});
						this.oldKeywordList = OldKeys; //更新历史搜索
					}
				});
			}
		}
	}
</script>
<style>
	view{display:block;}
	.search-box {background-color:#fff;padding:15rpx 20rpx;}
	.search-box .mSearch-input-box{width: 100%;}
	.search-box .input-box>input {width:100%;height:60upx;font-size:32upx;border:0;border-radius:60upx;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding:0 3%;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-list-header-hot {width: 30rpx;}
	.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:60upx;padding:0 20upx;margin:10upx 20upx 10upx 0;height:60upx;font-size:28upx;background-color:rgb(242,242,242);color:#6b6b6b;}
</style>