book-hi/pages/mall/classify.vue

<template>
	<!-- 自定义导航栏-->
	<view class="page" :style="{height:windowHeight}">
		<!-- 侧栏 -->
		<scroll-view class="aside" scroll-y="true">
			<view
				class="item acea-row row-center-wrapper"
				:class="categoryDivindex === sideIndex ? 'on' : ''"
				v-for="(item, categoryDivindex) in classifyList"
				:key="categoryDivindex"
				@click="changeSide(categoryDivindex)"
			>
				{{ item.name }}
			</view>
		</scroll-view>
		<!-- 主内容 -->
		<scroll-view class="conter" scroll-y="true">
			<view v-if="classifyList[sideIndex]">
				<view class="title">{{ classifyList[sideIndex].name }}</view>
				<view class="list">
					<view class="item" v-for="(child, childIndex) in classifyList[sideIndex].children" :key="childIndex" @click="goGoodsList(child)">
						<!-- <u-image height="120rpx" width="120rpox" mode="widthFix" :src="child.pic"></u-image> -->
						<view class="name">{{ child.name }}</view>
					</view>
				</view>
				<NoData height="50vh" v-if="classifyList[sideIndex].children.length==0"></NoData>
			</view>
		</scroll-view>
	</view>
</template>
<script>
export default {
	data() {
		const app = getApp();
		return {
			windowHeight:app.globalData.windowHeight + 'px',
			// 分类数据
			classifyList: [],
			// 分类索引
			sideIndex: 0,
			// 传参id
			queryClassifyId: ''
		};
	},
	onLoad(options) {
		if (options.id) {
			this.queryClassifyId = options.id;
		}
		this.getClassifyList();
	},
	methods: {
		// 动态切换分类
		changeClassifyById() {
			let nowClassifyIndex = 0;
			if (!this.queryClassifyId) return;
			this.classifyList.forEach((item, index) => {
				if (item.id === this.queryClassifyId) nowClassifyIndex = index;
			});
			if (nowClassifyIndex !== this.navActive) {
				this.changeSide(index);
			}
		},

		// 查询分类列表
		getClassifyList() {
			this.$u.api.getCateListAjax().then(({code,data})=>{
				if(code==1){
					this.classifyList = data;
				}
			}).catch();
			// this.changeClassifyById();
		},

		// 切换分类
		changeSide(index) {
			this.sideIndex = index;
		},

		// 跳转商品列表页
		goGoodsList(child) {
			this.$u.route('/pages/search-result', { cateInfo: encodeURIComponent(JSON.stringify(child)) });
		}
	}
};
</script>

<style lang="scss" scoped>

	.page {
		display: flex;
		justify-content: space-between;
		align-items: flex-start;
		background: $app-theme-bg-color;
		// background-color: red;
		.aside {
			width: 270rpx;
			background: $app-theme-bg-gray-color;
			height: 100%;
			.item {
				height: 100rpx;
				// line-height: 100rpx;
				display: flex;
				align-items: center;
				justify-content: center;
				text-align: center;
				font-size: 28rpx;
				font-weight: 500;
				color: $app-theme-text-black-color;
				transition: all 0.3s ease-in-out;
				box-sizing: border-box;
				padding: 0 20rpx;
				&.on {
					color: #fff;
					position: relative;
					background-color: $app-theme-color;
					transition: all 0.3s ease-in-out;
				}
			}
		}
		.conter {
			padding-left: 20rpx;
			box-sizing: border-box;
			height: 100%;
			.title {
				font-size: 36rpx;
				font-weight: bold;
				// color: $app-theme-color;
				padding: 30rpx 0;
				border-bottom: 1rpx solid $app-theme-border-color;
			}
			.list {
				display: flex;
				justify-content: flex-start;
				align-items: flex-start;
				flex-wrap: wrap;
				.item {
					// width: 120rpx;
					margin:20rpx 15rpx 0;
					// &:nth-child(3n) {
					// 	margin-right: 0;
					// }
					.picture {
					}
					.name {
						font-size: 32rpx;
						color: $app-theme-color;
						text-align: center;
						margin-top: 12rpx;
						padding: 10rpx 20rpx;
						border: 1rpx solid $app-theme-color;
						border-radius: 2em;
					}
				}
			}
		}
	}

</style>