uni-app搜索-历史记录

效果图

<template>
	<view>
		<!-- 搜索框 -->
		<view class="search">
			<view style="display: flex;align-items: center;">
				 <!-- @confirm="search" 点击 -->
				<input class="searchInput" v-model="inputValue" @confirm="search" placeholder="搜索" type="text" />
			</view>
			<view>取消</view>
		</view>
		<!-- 搜索框 -->

		<!-- 搜索历史 -->
		<view class="searchHistory">
			<view style="display: flex;align-items: center;justify-content: space-between;box-sizing: border-box;padding: 0px 5px;">
				<view>搜索历史:</view>

				<view style="color: red;font-size: 28px;" @click="empty">×</view>
			</view>
			<view class="searchHistoryItem">
				<view v-for="(item, index) in searchHistoryList" :key="index">
					<text @click="model(item,index)">{{ item }}</text>
					<text @click="del(item,index)" style="color: red;" >&nbsp; x</text>
				</view>
			</view>
		</view>
		<!-- 搜索历史 -->
	</view>
</template>

<script>
export default {
	data() {
		return {
			inputValue: '',
			searchHistoryList: [] //搜索出来的内容
		};
	},
	methods: {
		model(item,index){
			this.inputValue = item
		},
		del(item,index){
			this.searchHistoryList.splice(0,1)
		},
		search() {
			if (this.inputValue == '') {
				uni.showModal({
					title: '搜索内容不能为空'
				});
			} else {
				if (!this.searchHistoryList.includes(this.inputValue)) {
					this.searchHistoryList.unshift(this.inputValue);
					uni.setStorage({
						key: 'searchList',
						data: JSON.stringify(this.searchHistoryList)
					});
				} else {
					//有搜索记录，删除之前的旧记录，将新搜索值重新push到数组首位
					let i = this.searchHistoryList.indexOf(this.inputValue);
					this.searchHistoryList.splice(i, 1);
					this.searchHistoryList.unshift(this.inputValue);
					uni.showToast({
						title: '不能重复添加'
					});
					uni.setStorage({
						key: 'searchList',
						data: JSON.stringify(this.searchHistoryList)
					});
				}
			}
		},
		//清空历史记录
		empty() {
			uni.showToast({
				title: '已清空'
			});
			uni.removeStorage({
				key: 'searchList'
			});

			this.searchHistoryList = [];
		}
	},
	async onLoad() {
		let list = await uni.getStorage({
			key: 'searchList'
		});

		console.log(list[1].data);

		if (list[1].data) {
			this.searchHistoryList = JSON.parse(list[1].data);
		}
	}
};
</script>

<style lang='scss'>
	@import "search.scss";
</style>

.search {
	width: 100%;
	height: 30rpx;
	display: flex;
	align-items: center;
	justify-content: space-between;
	box-sizing: border-box;
	padding: 2rpx 6rpx;
	margin-top: 20rpx;
	.searchInput {
		background-color: #f8f9fa;
		width: 220rpx;
		margin-left: 5rpx;
	}
}

.searchHistory {
	width: 100%;
	margin-top: 16rpx;
	.searchHistoryItem {
		width: 100%;
		display: flex;
		flex-wrap: wrap;
		view {
			/* width: 50px; */
			height: 20rpx;
			background: #f0f0f0;
			padding: 4rpx;
			margin: 6rpx 5rpx;
		}
	}
}
	.main_classify{
		background: white;
		.main_under_classify{
			.li{
				height: 124rpx;
				border-bottom: 2rpx #999999 solid;
				padding: 20rpx 28rpx;
				display: flex;
				justify-content: space-between;
				margin-top: 20rpx;
				image{
					width: 116rpx;
					height: 110rpx;
					border-radius: 50%;
					margin-right: 20rpx;
					margin-top: 6rpx;
				}
				.li_content{
					width: 254rpx;
					.title{
						display: block;
						font-weight: 800;
						font-size: 28rpx;
					}
					text{
						line-height: 40rpx;
					}
					.zhiwei{
						color: #666666;
					}
					.heng{
						color: #999999;
					}
				}
				.li_end{
					padding: 0rpx 40rpx;
					width: 140rpx;
					height: 52rpx;
					border: 1rpx solid red;
					border-radius: 50rpx;
					display: flex;
					justify-content: space-between;
					margin-top: 36rpx;
					.jia{
						width: 24rpx;
						height: 24rpx;
						margin-top: 16rpx;
					}
					.erji{
						width: 42rpx;
						height: 42rpx;
					}
				}
			}
		}
	}