yiliangyiyun-app/components/search.vue

<template>
	<view class="content">
		<view class="search-box">
			<!-- mSearch组件 如果使用原样式，删除组件元素-->
			<mSearch class="mSearch-input-box" :mode="2" button="inside" :placeholder="defaultKeyword"
				@search="doSearch(false)" @input="inputChange" @confirm="doSearch(false)" :oldsearch='keyword2' v-model="keyword"></mSearch>
			<view class="cancel" @click="cancel">
				取消
			</view>
			<!-- 原样式 如果使用原样式，恢复下方注销代码 -->
			<!-- 						
			<view class="input-box">
				<input type="text" :adjust-position="true" :placeholder="defaultKeyword" @input="inputChange" v-model="keyword" @confirm="doSearch(false)"
				 placeholder-class="placeholder-class" confirm-type="search">
			</view>
			<view class="search-btn" @tap="doSearch(false)">搜索</view> 
			 -->
			<!-- 原样式 end -->
		</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/back.png"></image>
						</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 style="font-size: 32rpx; font-weight: 700;">最近搜索</view>
						<view>
							<image @tap="oldDelete" src="/static/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 style="font-size: 32rpx; font-weight: 700;">推荐搜索</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 mSearch from '@/components/mehaotian-search-revision.vue';
	export default {
		name: "search",
		props: {
			searchcontent: {
				type: String,
				default: ''
			}
		},
		data() {
			return {
				defaultKeyword: "请输入作物名称或用户名称",
				keyword: "",
				keyword2: "",
				oldKeywordList: [],
				hotKeywordList: [],
				keywordList: [],
				forbid: '',
				isShowKeywordList: false
			};
		},
		components: {
			//引用mSearch组件，如不需要删除即可
			mSearch
		},
		mounted() {
			this.init();
		},
		watch: {
			searchcontent:{
				handler(oldValue, newValue) {
					this.keyword=oldValue
					// if (val != '') {
					// 	this.place = val
					// }
				},
				deep:true,
				immediate:true,
			},
			keyword:{
				handler(oldValue, newValue) {
					this.keyword2=oldValue
					console.log(oldValue, newValue,11111111)
					// if (val != '') {
					// 	this.place = val
					// }
				},
				deep:true,
				immediate:true,
			},
		},
		methods: {
			cancel() {
				this.$emit('searchVal', '')
			},
			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
				this.hotKeywordList = ['大豆', '玉米', '高粱', '白小麦', '混合麦', '水稻', '玉米淀粉', '豆粕', '大麦', '小麦'];
			},
			//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) {
				keyword = keyword === false ? this.keyword : keyword;
				this.keyword = keyword;
				this.saveKeyword(keyword); //保存为历史 
				// uni.showToast({
				// 	title: keyword,
				// 	icon: 'none',
				// 	duration: 2000
				// });
				this.$emit('searchVal', this.keyword)
				//以下是示例跳转淘宝搜索，可自己实现搜索逻辑
				/*
				//#ifdef APP-PLUS
				plus.runtime.openURL(encodeURI('taobao://s.taobao.com/search?q=' + keyword));
				//#endif
				//#ifdef H5
				window.location.href = 'taobao://s.taobao.com/search?q=' + keyword
				//#endif
				*/
			},
			//保存关键字到历史记录
			saveKeyword(keyword) {
				uni.getStorage({
					key: 'OldKeys',
					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: '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 lang="scss" scoped>
	view {
		// display: block;
	}

	.content {
		overflow: hidden;
		background: #fff;
	}

	.cancel {
		font-size: 28rpx;
		color: #333333;
	}

	.search-box {
		width: 100%;
		background-color: #fff;
		padding: 15upx 2.5%;
		display: flex;
		justify-content: space-between;
		position: sticky;
		top: 0;
		align-items: center;
	}

	.search-box .mSearch-input-box {
		width: 90%;
	}

	.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: 28upx;
		color: #fff;
		background: linear-gradient(to right, #ff9801, #ff570a);
		border-radius: 60upx;
	}

	.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 - 280rpx);
		background-color: #fff;
	}

	.keyword-box .keyword-block {
		padding: 10upx 0;
	}

	.keyword-box .keyword-block .keyword-list-header {
		width: 100%;
		padding: 10upx 3%;
		font-size: 27upx;
		color: #333;
		display: flex;
		justify-content: space-between;
		align-items: center;
	}

	.keyword-box .keyword-block .keyword-list-header image {
		width: 32upx;
		height: 32upx;
	}

	.keyword-box .keyword-block .keyword {
		width: 100%;
		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;
	}

	.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: 56rpx;
		font-size: 24rpx;
		background-color: #F5F6F9;
		color: #333333;
	}
</style>