JewelryMall/miniprogram/pages/cart/index.vue

<template>
  <view class="cart-page">
    <!-- 购物车列表 -->
    <view v-if="cartStore.items.length > 0" class="cart-list">
      <view v-for="item in cartStore.items" :key="item.id" class="cart-item">
        <view class="cart-item__check" @click="cartStore.toggleCheck(item.id)">
          <view class="checkbox" :class="{ 'checkbox--checked': item.checked }">✓</view>
        </view>
        <image class="cart-item__img" :src="item.product.bannerImages?.[0] || '/static/logo.png'" mode="aspectFill" />
        <view class="cart-item__info">
          <text class="cart-item__name">{{ item.product.name }}</text>
          <text class="cart-item__spec">{{ item.specData.fineness }} / {{ item.specData.mainStone }} / {{ item.specData.ringSize }}</text>
          <view class="cart-item__bottom">
            <text class="cart-item__price">¥{{ item.specData.totalPrice }}</text>
            <view class="quantity-ctrl">
              <view class="quantity-btn" @click="handleMinus(item)">-</view>
              <text class="quantity-num">{{ item.quantity }}</text>
              <view class="quantity-btn" @click="cartStore.updateQuantity(item.id, item.quantity + 1)">+</view>
            </view>
          </view>
        </view>
        <view class="cart-item__delete" @click="cartStore.removeFromCart(item.id)">删除</view>
      </view>
    </view>

    <!-- 空状态 -->
    <view v-else class="empty-cart">
      <text class="empty-cart__text">购物车是空的</text>
      <view class="empty-cart__btn" @click="goHome">去逛逛</view>
    </view>

    <!-- 底部结算栏 -->
    <view v-if="cartStore.items.length > 0" class="settle-bar">
      <view class="settle-bar__left">
        <view class="checkbox" :class="{ 'checkbox--checked': isAllChecked }" @click="cartStore.toggleCheckAll()">✓</view>
        <text class="settle-bar__all-text">全选</text>
      </view>
      <view class="settle-bar__right">
        <text class="settle-bar__total">合计：<text class="settle-bar__price">¥{{ cartStore.totalAmount.toFixed(2) }}</text></text>
        <view
          class="settle-bar__btn"
          :class="{ 'settle-bar__btn--disabled': cartStore.checkedItems.length === 0 }"
          @click="handleSettle"
        >
          下单({{ cartStore.checkedItems.length }})
        </view>
      </view>
    </view>

    <!-- 客服入口 -->
    <CustomerServiceBtn v-if="showQrcode" mode="qrcode" @close="showQrcode = false" />
  </view>
</template>

<script setup lang="ts">
import { ref, computed, onMounted } from 'vue'
import { useCartStore } from '../../store/cart'
import CustomerServiceBtn from '../../components/CustomerServiceBtn.vue'
import type { CartItem } from '../../types'

const cartStore = useCartStore()
const showQrcode = ref(false)

const isAllChecked = computed(() =>
  cartStore.items.length > 0 && cartStore.items.every((item) => item.checked),
)

function handleMinus(item: CartItem) {
  if (item.quantity > 1) {
    cartStore.updateQuantity(item.id, item.quantity - 1)
  }
}

function handleSettle() {
  if (cartStore.checkedItems.length === 0) {
    uni.showToast({ title: '请先选择商品', icon: 'none' })
    return
  }
  const token = uni.getStorageSync('token')
  if (!token) {
    uni.navigateTo({ url: '/pages/login/index' })
    return
  }
  uni.navigateTo({ url: '/pages/order/submit' })
}

function goHome() {
  uni.switchTab({ url: '/pages/index/index' })
}

onMounted(() => {
  cartStore.fetchCart()
})
</script>

<style scoped>
.cart-page {
  min-height: 100vh;
  background: #f5f5f5;
  padding-bottom: 120rpx;
}
.cart-list {
  padding: 16rpx;
}
.cart-item {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 12rpx;
  padding: 20rpx;
  margin-bottom: 16rpx;
}
.cart-item__check {
  margin-right: 16rpx;
}
.checkbox {
  width: 40rpx;
  height: 40rpx;
  border: 2rpx solid #ccc;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24rpx;
  color: transparent;
}
.checkbox--checked {
  background: #e4393c;
  border-color: #e4393c;
  color: #fff;
}
.cart-item__img {
  width: 160rpx;
  height: 160rpx;
  border-radius: 8rpx;
  margin-right: 20rpx;
  flex-shrink: 0;
}
.cart-item__info {
  flex: 1;
  min-width: 0;
}
.cart-item__name {
  font-size: 28rpx;
  color: #333;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cart-item__spec {
  font-size: 24rpx;
  color: #999;
  margin-top: 8rpx;
}
.cart-item__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16rpx;
}
.cart-item__price {
  font-size: 30rpx;
  color: #e4393c;
  font-weight: bold;
}
.quantity-ctrl {
  display: flex;
  align-items: center;
}
.quantity-btn {
  width: 48rpx;
  height: 48rpx;
  border: 1rpx solid #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28rpx;
  color: #333;
  border-radius: 8rpx;
}
.quantity-num {
  min-width: 60rpx;
  text-align: center;
  font-size: 26rpx;
}
.cart-item__delete {
  font-size: 24rpx;
  color: #999;
  margin-left: 12rpx;
  padding: 8rpx;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 300rpx;
}
.empty-cart__text {
  font-size: 30rpx;
  color: #999;
  margin-bottom: 30rpx;
}
.empty-cart__btn {
  background: #e4393c;
  color: #fff;
  font-size: 28rpx;
  padding: 16rpx 60rpx;
  border-radius: 44rpx;
}
.settle-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100rpx;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24rpx;
  box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.05);
}
.settle-bar__left {
  display: flex;
  align-items: center;
}
.settle-bar__all-text {
  font-size: 26rpx;
  color: #333;
  margin-left: 12rpx;
}
.settle-bar__right {
  display: flex;
  align-items: center;
}
.settle-bar__total {
  font-size: 26rpx;
  color: #333;
  margin-right: 20rpx;
}
.settle-bar__price {
  color: #e4393c;
  font-weight: bold;
  font-size: 32rpx;
}
.settle-bar__btn {
  background: #e4393c;
  color: #fff;
  font-size: 28rpx;
  padding: 16rpx 40rpx;
  border-radius: 44rpx;
}
.settle-bar__btn--disabled {
  background: #ccc;
}
</style>