app/sheep/components/s-goods-card/s-goods-card.vue

<!-- 装修产品组件：产品卡片 -->
<template>
  <!-- 产品卡片 -->
  <view>
    <!-- 布局1. 单列大图（上图，下内容）-->
    <view v-if="layoutType === LayoutTypeEnum.ONE_COL_BIG_IMG && state.goodsList.length" class="goods-sl-box">
      <view class="goods-box" v-for="item in state.goodsList" :key="item.id"
        :style="[{ marginBottom: data.space * 2 + 'rpx' }]">
        <s-goods-column class="" size="sl" :goodsFields="data.fields" :tagStyle="data.badge" :data="item"
          :titleColor="data.fields.name?.color" :subTitleColor="data.fields.introduction.color"
          :topRadius="data.borderRadiusTop" :bottomRadius="data.borderRadiusBottom"
          @click="sheep.$router.go('/pages/goods/index', { id: item.id })">
          <!-- 购买按钮 -->
          <template v-slot:cart>
            <button class="ss-reset-button cart-btn" :style="[buyStyle]">
              {{ btnBuy.type === 'text' ? btnBuy.text : '' }}
            </button>
          </template>
        </s-goods-column>
      </view>
    </view>

    <!-- 布局2. 双列（每一列：上图，下内容）-->
    <view v-if="layoutType === LayoutTypeEnum.TWO_COL && state.goodsList.length"
      class="goods-md-wrap ss-flex ss-flex-wrap ss-col-top">
      <view class="goods-list-box">
        <view class="left-list" :style="[{ paddingRight: data.space + 'rpx', marginBottom: data.space + 'px' }]"
          v-for="item in state.leftGoodsList" :key="item.id">
          <s-goods-column class="goods-md-box" size="md" :goodsFields="data.fields" :tagStyle="data.badge" :data="item"
            :titleColor="data.fields.name?.color" :subTitleColor="data.fields.introduction.color"
            :topRadius="data.borderRadiusTop" :bottomRadius="data.borderRadiusBottom"
            :titleWidth="330 - marginLeft - marginRight"
            @click="sheep.$router.go('/pages/goods/index', { id: item.id })"
            @getHeight="calculateGoodsColumn($event, 'left')">
            <!-- 购买按钮 -->
            <template v-slot:cart>
              <button class="ss-reset-button cart-btn" :style="[buyStyle]">
                {{ btnBuy.type === 'text' ? btnBuy.text : '' }}
              </button>
            </template>
          </s-goods-column>
        </view>
      </view>
      <view class="goods-list-box">
        <view class="right-list" :style="[{ paddingLeft: data.space + 'rpx', marginBottom: data.space + 'px' }]"
          v-for="item in state.rightGoodsList" :key="item.id">
          <s-goods-column class="goods-md-box" size="md" :goodsFields="data.fields" :tagStyle="data.badge" :data="item"
            :titleColor="data.fields.name?.color" :subTitleColor="data.fields.introduction.color"
            :topRadius="data.borderRadiusTop" :bottomRadius="data.borderRadiusBottom"
            :titleWidth="330 - marginLeft - marginRight"
            @click="sheep.$router.go('/pages/goods/index', { id: item.id })"
            @getHeight="calculateGoodsColumn($event, 'right')">
            <!-- 购买按钮 -->
            <template v-slot:cart>
              <button class="ss-reset-button cart-btn" :style="[buyStyle]">
                {{ btnBuy.type === 'text' ? btnBuy.text : '' }}
              </button>
            </template>
          </s-goods-column>
        </view>
      </view>
    </view>

    <!-- 布局3. 单列小图（左图，右内容） -->
    <view v-if="layoutType === LayoutTypeEnum.ONE_COL_SMALL_IMG && state.goodsList.length" class="goods-lg-box">
      <view class="goods-box" :style="[{ marginBottom: data.space + 'px' }]" v-for="item in state.goodsList"
        :key="item.id">
        <s-goods-column class="goods-card" size="lg" :goodsFields="data.fields" :data="item" :tagStyle="data.badge"
          :titleColor="data.fields.name?.color" :subTitleColor="data.fields.introduction.color"
          :topRadius="data.borderRadiusTop" :bottomRadius="data.borderRadiusBottom"
          @tap="sheep.$router.go('/pages/goods/index', { id: item.id })">
          <!-- 购买按钮 -->
          <template v-slot:cart>
            <button @click="lxkfClick()" class="ss-reset-button cart-btn" :style="[buyStyle]">
              {{ btnBuy.type === 'text' ? btnBuy.text : '' }}
            </button>
          </template>
        </s-goods-column>
      </view>
    </view>
  </view>
</template>

<script setup>
/**
 * 产品卡片
 */
import { computed, reactive, onMounted } from 'vue';
import sheep from '@/sheep';
import SpuApi from '@/sheep/api/product/spu';
import OrderApi from '@/sheep/api/trade/order';
import { appendSettlementProduct } from '@/sheep/hooks/useGoods';

// 布局类型
const LayoutTypeEnum = {
  // 单列大图
  ONE_COL_BIG_IMG: 'oneColBigImg',
  // 双列
  TWO_COL: 'twoCol',
  // 单列小图
  ONE_COL_SMALL_IMG: 'oneColSmallImg',
};

const state = reactive({
  goodsList: [],
  leftGoodsList: [],
  rightGoodsList: [],
});
const props = defineProps({
  data: {
    type: Object,
    default: () => ({}),
  },
  styles: {
    type: Object,
    default: () => ({}),
  },
});

const { layoutType, btnBuy, spuIds } = props.data || {};
const { marginLeft, marginRight } = props.styles || {};
const lxkfClick = () => {
  sheep.$router.go('/pages/customerService/index')
}

// 购买按钮样式
const buyStyle = computed(() => {
  if (btnBuy.type === 'text') {
    // 文字按钮：线性渐变背景颜色
    return {
      background: `linear-gradient(to right, ${btnBuy.bgBeginColor}, ${btnBuy.bgEndColor})`,
    };
  }
  if (btnBuy.type === 'img') {
    // 图片按钮
    return {
      width: '54rpx',
      height: '54rpx',
      background: `url(${sheep.$url.cdn(btnBuy.imgUrl)}) no-repeat`,
      backgroundSize: '100% 100%',
    };
  }
});

//region 产品瀑布流布局
// 下一个要处理的产品索引
let count = 0;
// 左列的高度
let leftHeight = 0;
// 右列的高度
let rightHeight = 0;

/**
 * 计算产品在左列还是右列
 * @param height 产品的高度
 * @param where 添加到哪一列
 */
function calculateGoodsColumn(height = 0, where = 'left') {
  // 处理完
  if (!state.goodsList[count]) return;
  // 增加列的高度
  if (where === 'left') leftHeight += height;
  if (where === 'right') rightHeight += height;
  // 添加到矮的一列
  if (leftHeight <= rightHeight) {
    state.leftGoodsList.push(state.goodsList[count]);
  } else {
    state.rightGoodsList.push(state.goodsList[count]);
  }
  // 计数
  count++;
}

//endregion

/**
 * 根据产品编号列表，获取产品列表
 * @param ids 产品编号列表
 * @return {Promise<undefined>} 产品列表
 */
async function getGoodsListByIds(ids) {
  const { data } = await SpuApi.getSpuListByIds(ids);
  return data;
}

// 初始化
onMounted(async () => {
  // 加载产品列表
  state.goodsList = await getGoodsListByIds(spuIds.join(','));
  // 拼接结算信息（营销）
  await OrderApi.getSettlementProduct(state.goodsList.map((item) => item.id).join(',')).then(
    (res) => {
      if (res.code !== 0) {
        return;
      }
      appendSettlementProduct(state.goodsList, res.data);
    },
  );
  // 只有双列布局时需要
  if (layoutType === LayoutTypeEnum.TWO_COL) {
    // 分列
    calculateGoodsColumn();
  }
});
</script>

<style lang="scss" scoped>
.goods-md-wrap {
  width: 100%;
}

.goods-list-box {
  width: 50%;
  box-sizing: border-box;

  .left-list {
    &:nth-last-child(1) {
      margin-bottom: 0 !important;
    }
  }

  .right-list {
    &:nth-last-child(1) {
      margin-bottom: 0 !important;
    }
  }
}

.goods-box {
  &:nth-last-of-type(1) {
    margin-bottom: 0 !important;
  }
}

.goods-md-box,
.goods-sl-box,
.goods-lg-box {
  position: relative;

  .cart-btn {
    position: absolute;
    bottom: 18rpx;
    right: 20rpx;
    z-index: 11;
    height: 50rpx;
    line-height: 50rpx;
    padding: 0 20rpx;
    border-radius: 25rpx;
    font-size: 24rpx;
    color: #fff;
  }
}
</style>