cfc/cfc-frontend/components/ArticleBookshelf.vue

<template>
  <view class="bs-section">
    <!-- 无数据 -->
    <view v-if="(!articles || articles.length === 0) && !loading" class="bs-empty">
      <text class="bs-empty-text">书册整理中，敬请期待...</text>
    </view>

    <!-- 骨架屏 -->
    <view v-else-if="loading && (!articles || articles.length === 0)" class="bs-shelf-skeleton">
      <view class="bs-skeleton-grid">
        <view v-for="n in 3" :key="n" class="bs-skeleton-card">
          <view class="bs-skeleton-cover"></view>
          <view class="bs-skeleton-line"></view>
        </view>
      </view>
    </view>

    <!-- 四列文章网格 -->
    <view v-else class="bs-grid">
      <view
        v-for="(article, idx) in displayArticles"
        :key="idx"
        class="bs-card"
        @click="$emit('articleClick', article)"
      >
        <view
          class="bs-card-cover"
          :style="{
            background: getBookColor(article, idx)
          }"
        >
          <image
            v-if="article.coverSrc"
            class="bs-cover-img"
            :src="article.coverSrc"
            mode="aspectFill"
          />

          <view v-else class="bs-cover-text">
            <text
              class="bs-cover-title"
              :style="{ color: getTextColor(article, idx) }"
            >{{ article.title }}</text>
          </view>

          <view v-if="article.coverSrc" class="bs-cover-title-bottom">
            <text class="bs-cover-title-overlay">{{ article.title }}</text>
          </view>
        </view>

        <text class="bs-card-name">{{ article.title }}</text>
      </view>
    </view>
  </view>
</template>

<script>
// 五维配色体系（书脊颜色）
import config from '@/config.js'

var DIMENSION_COLORS = {
  body:    { bg: 'linear-gradient(180deg, #FF8C42 0%, #E8762A 100%)', text: '#FFF5EE' },
  mind:    { bg: 'linear-gradient(180deg, #FF6B9D 0%, #E84A7F 100%)', text: '#FFF0F5' },
  wisdom:  { bg: 'linear-gradient(180deg, #6366F1 0%, #4F46E5 100%)', text: '#EEF2FF' },
  action:  { bg: 'linear-gradient(180deg, #10B981 0%, #059669 100%)', text: '#ECFDF5' },
  wealth:  { bg: 'linear-gradient(180deg, #F59E0B 0%, #D97706 100%)', text: '#FFFBEB' }
}

// 回退渐变（用于无维度分类的文章）
var FALLBACK_GRADIENTS = [
  { bg: 'linear-gradient(180deg, #8B5CF6 0%, #7C3AED 100%)', text: '#F5F3FF' },
  { bg: 'linear-gradient(180deg, #06B6D4 0%, #0891B2 100%)', text: '#ECFEFF' },
  { bg: 'linear-gradient(180deg, #EC4899 0%, #DB2777 100%)', text: '#FDF2F8' },
  { bg: 'linear-gradient(180deg, #14B8A6 0%, #0D9488 100%)', text: '#F0FDFA' },
  { bg: 'linear-gradient(180deg, #F97316 0%, #EA580C 100%)', text: '#FFF7ED' }
]

export default {
  name: 'ArticleBookshelf',
  props: {
    articles: { type: Array, default: function() { return [] } },
    loading: { type: Boolean, default: false },
    isLoggedIn: { type: Boolean, default: false }
  },
  data: function() {
    return {}
  },
  computed: {
    displayArticles: function() {
      var list
      if (!this.articles || this.articles.length === 0) {
        list = [
          { title: '培养孩子自驱力的关键', category: '家庭成长', summary: '如何帮助孩子建立内在动机' },
          { title: '五维能量与家庭健康管理', category: '健康科普', summary: '科学理解健康的五个维度' },
          { title: '亲子沟通的心理学智慧', category: '心理养育', summary: '有效的倾听与表达技巧' },
          { title: '规划师推荐的书单', category: '成长规划', summary: '培养未来领导力的阅读路径' },
          { title: '儿童营养均衡完全指南', category: '营养健康', summary: '0-12岁各阶段营养需求' }
        ].slice(0, 3)
      } else {
        list = this.articles.slice(0, 3)
      }
      var self = this
      return list.map(function(a) {
        var item = Object.assign({}, a)
        item.coverSrc = self.getImageUrl(a && a.coverImage)
        return item
      })
    }
  },
  methods: {
    // 提取首个维度 code（兼容字符串 "mind,emotion" / JSON 字符串 / 数组 ['mind','emotion']）
    getFirstDimension: function(article) {
      if (!article || !article.relatedDimensions) return ''
      var raw = article.relatedDimensions
      var first = ''
      if (typeof raw === 'string') {
        var trimmed = raw.trim()
        if (trimmed.indexOf('[') === 0) {
          try {
            var parsed = JSON.parse(trimmed)
            if (Array.isArray(parsed)) first = parsed[0] || ''
          } catch (e) {
            first = ''
          }
        }
        if (!first) {
          first = trimmed.split(',')[0] || ''
        }
      } else if (Array.isArray(raw)) {
        first = raw[0] || ''
      }
      return String(first).trim().toLowerCase()
    },
    getBookColor: function(article, idx) {
      var firstDim = this.getFirstDimension(article)
      if (firstDim && DIMENSION_COLORS[firstDim]) {
        return DIMENSION_COLORS[firstDim].bg
      }
      if (article && article.dimensionCode && DIMENSION_COLORS[article.dimensionCode]) {
        return DIMENSION_COLORS[article.dimensionCode].bg
      }
      return FALLBACK_GRADIENTS[idx % FALLBACK_GRADIENTS.length].bg
    },
    getTextColor: function(article, idx) {
      var firstDim = this.getFirstDimension(article)
      if (firstDim && DIMENSION_COLORS[firstDim]) {
        return DIMENSION_COLORS[firstDim].text
      }
      if (article && article.dimensionCode && DIMENSION_COLORS[article.dimensionCode]) {
        return DIMENSION_COLORS[article.dimensionCode].text
      }
      return FALLBACK_GRADIENTS[idx % FALLBACK_GRADIENTS.length].text
    },
    getImageUrl: function(path) {
      if (!path || path === 'null' || path === 'undefined' || path === '/null') return ''
      var s = String(path).trim()
      if (!s || s === 'null' || s === '/null') return ''
      if (s.indexOf('http://') === 0 || s.indexOf('https://') === 0) return s
      return config.API_BASE_URL + (s.charAt(0) === '/' ? s : '/' + s)
    }
  }
}
</script>

<style scoped>
/* ======================================
   ArticleBookshelf — 四列网格推荐阅读组件
   浠艾福 (Care Family) 设计系统
   ====================================== */

/* ---- Section Container ---- */
.bs-section {
  margin: 24rpx 0;
  padding: 0 0 16rpx;
}

/* ---- Empty State ---- */
.bs-empty {
  padding: 40rpx 0;
  display: flex;
  justify-content: center;
}
.bs-empty-text {
  font-size: 24rpx;
  color: #9CA3AF;
}

/* ---- Skeleton ---- */
.bs-shelf-skeleton {
  padding: 0 28rpx;
}
.bs-skeleton-grid {
  display: flex;
  flex-wrap: wrap;
  padding-top: 16rpx;
}
.bs-skeleton-card {
  width: calc(33.33% - 12rpx);
  margin-right: 16rpx;
  margin-bottom: 16rpx;
}
.bs-skeleton-card:nth-child(3n) {
  margin-right: 0;
}
.bs-skeleton-cover {
  width: 100%;
  height: 0;
  padding-top: 133.33%; /* 3:4 书封比例 */
  border-radius: 12rpx;
  background: linear-gradient(180deg, #e8e8e8 0%, #f0f0f0 50%, #e8e8e8 100%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.4s ease-in-out infinite;
}
.bs-skeleton-line {
  height: 24rpx;
  margin-top: 10rpx;
  border-radius: 6rpx;
  background: linear-gradient(180deg, #e8e8e8 0%, #f0f0f0 50%, #e8e8e8 100%);
  background-size: 200% 100%;
  animation: skeleton-wave 1.4s ease-in-out infinite;
}
@keyframes skeleton-wave {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- 三列文章网格 ---- */
.bs-grid {
  display: flex;
  flex-wrap: wrap;
}
.bs-card {
  width: calc(33.33% - 12rpx);
  margin-right: 16rpx;
  margin-bottom: 16rpx;
}
.bs-card:nth-child(3n) {
  margin-right: 0;
}
.bs-card-cover {
  width: 100%;
  height: 0;
  padding-top: 133.33%; /* 3:4 书封比例 */
  border-radius: 12rpx;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-sizing: border-box;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.12);
  transition: transform 0.18s, box-shadow 0.18s;
}
.bs-card:active .bs-card-cover {
  transform: translateY(-4rpx) scale(1.02);
  box-shadow: 0 6rpx 16rpx rgba(0,0,0,0.18);
}

/* 封面图 */
.bs-cover-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* 无封面图时：渐变底 + 书名 */
.bs-cover-text {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16rpx 12rpx;
  box-sizing: border-box;
}
.bs-cover-title {
  font-size: 22rpx;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 1rpx;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

/* 有封面图时：底部叠加文章标题 */
.bs-cover-title-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10rpx 8rpx 8rpx;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.55) 100%);
}
.bs-cover-title-overlay {
  font-size: 18rpx;
  font-weight: 700;
  line-height: 1.4;
  color: #FFFFFF;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
  max-width: 90%;
}

/* 卡片底部标题 */
.bs-card-name {
  display: block;
  margin-top: 8rpx;
  font-size: 22rpx;
  color: #333;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
</style>