book-hi/pages-sell/components/detail/footer-bar.vue

<template>
	<view class="footer-bar safe-area-inset-bottom">
		<view class="icons-area">
			<view class="icon-item" @click="onHome">
				<image src="/pages-sell/static/goods/icon-home.png" class="bar-icon" mode="widthFix"
					style="width: 36rpx;"></image>
				<text>首页</text>
			</view>
			<view class="icon-item" @click="onCollect">
				<image v-if="isCollect" src="/pages-sell/static/goods/icon-star-active.png" class="bar-icon" mode="aspectFit"></image>
				<image v-else src="/pages-sell/static/goods/icon-star.png" class="bar-icon" mode="aspectFit"></image>
				<text :style="{ color: isCollect ? '#FFC107' : '#666' }">{{ isCollect ? '已收藏' : '收藏' }}</text>
			</view>
			<view class="icon-item cart-item" @click="onCart">
				<image src="/pages-sell/static/goods/icon-car.png" class="bar-icon" mode="aspectFit"></image>
				<text>购物车</text>
				<u-badge v-if="cartCount > 0" :count="cartCount" type="error" absolute :offset="[-5, 10]"></u-badge>
			</view>
		</view>

		<view class="action-btn-area">
			<view v-if="hasStock" class="action-btn in-stock" @click="onAddCart">
				<text>加入购物车</text>
			</view>
			<view v-else class="action-btn no-stock" @click="onNotify">
				<text>到货通知</text>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		name: 'FooterBar',
		props: {
			hasStock: {
				type: Boolean,
				default: true
			},
			isCollect: {
				type: Boolean,
				default: false
			}
		},
		data() {
			return {
				cartCount: 0
			};
		},
		mounted() {
			this.fetchCartCount();
			uni.$on('cartCountChanged', this.updateCartCount);
		},
		beforeDestroy() {
			uni.$off('cartCountChanged', this.updateCartCount);
		},
		methods: {
			fetchCartCount() {
				const token = uni.getStorageSync('token');
				if (token && uni.$u && uni.$u.http) {
					uni.$u.http.post('/token/shop/cart/getCount').then(res => {
						if (res.code == 200) {
							this.cartCount = res.data;
						}
					});
				}
			},
			updateCartCount(count) {
				this.cartCount = count;
			},
			onHome() {
				uni.switchTab({
					url: '/pages/sell/index'
				})
			},
			onCart() {
				// 获取全局购物车角标并更新本地
				if (uni.getStorageSync('token')) {
					this.$updateCartBadge();
				}
				uni.switchTab({
					url: '/pages/cart/index'
				})
			},
			onCollect() {
				this.$emit('collect');
			},
			onAddCart() {
				this.$emit('addCart', 3);
			},
			onNotify() {
				this.$emit('notify');
			}
		}
	}
</script>

<style lang="scss" scoped>
	.footer-bar {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
		height: 200rpx;
		background: #fff;
		display: flex;
		align-items: center;
		justify-content: space-between;
		padding: 0 20rpx;
		box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.05);
		z-index: 3;
		padding-bottom: env(safe-area-inset-bottom);

		.icons-area {
			display: flex;
			margin-right: 20rpx;

			.icon-item {
				position: relative;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				width: 80rpx;
				margin-right: 10rpx;

				.bar-icon {
					width: 40rpx;
					height: 40rpx;
					margin-bottom: 6rpx;
				}

				.bar-icon-2 {
					width: 50rpx;
					height: 50rpx;
				}

				text {
					font-size: 20rpx;
					color: #666;
					text-align: center;
				}
			}
		}

		.action-btn-area {
			flex: 1;
			display: flex;
			height: 80rpx;
			max-width: 360rpx;

			.action-btn {
				flex: 1;
				display: flex;
				align-items: center;
				justify-content: center;
				border-radius: 40rpx;
				font-size: 30rpx;
				color: #fff;
				font-weight: bold;
				background: linear-gradient(0deg, #38C248 0%, #5FEA6F 100%);
			}
		}
	}
</style>